Add interactive aircraft scatter hero effect

also now the XML gets pulled from new Website

src/main/java/kst4contest/ApplicationConstants.java

@@ -22,7 +22,7 @@ public class ApplicationConstants {
      */
     public static final double APPLICATION_CURRENTVERSIONNUMBER = 1.42;
 
-    public static final String VERSIONINFOURLFORUPDATES_KST4CONTEST = "https://do5amf.funkerportal.de/kst4ContestVersionInfo.xml";
+    public static final String VERSIONINFOURLFORUPDATES_KST4CONTEST = "https://kst4contest.hamradioonline.de/kst4ContestVersionInfo.xml";
     public static final String VERSIONINFDOWNLOADEDLOCALFILE  = "kst4ContestVersionInfo.xml";
 
     public static final String STYLECSSFILE_DEFAULT_DAYLIGHT = "KST4ContestDefaultDay.css";

src/main/java/kst4contest/controller/ChatController.java

@@ -24,6 +24,7 @@ import kst4contest.logic.PriorityCalculator;
 import kst4contest.model.*;
 import kst4contest.test.MockKstServer;
 import kst4contest.utils.PlayAudioUtils;
+import kst4contest.locatorUtils.Location;
 import kst4contest.view.Kst4ContestApplication;
 
 import java.io.*;
@@ -34,6 +35,7 @@ import java.util.function.Predicate;
 
 
 
+
 /**
  * 
  * Central Chat kst4contest.controller. Instantiate only one time per category of kst Chat.
@@ -318,33 +320,29 @@ public class ChatController implements ThreadStatusCallback, PstRotatorEventList
 
 		EnumSet<Band> offered = EnumSet.noneOf(Band.class);
 
-		synchronized (getLst_chatMemberList()) {
-			for (ChatMember cm : getLst_chatMemberList()) {
-				if (cm == null || cm.getCallSignRaw() == null) continue;
-				if (!normalizeCallRaw(cm.getCallSignRaw()).equals(callRaw)) continue;
+		for (ChatMember cm : findActiveChatMembersByRawCall(callRaw)) {
+			if (cm == null || cm.getCallSignRaw() == null) continue;
 
-				Map<Band, ChatMember.ActiveFrequencyInfo> map = cm.getKnownActiveBands();
-				if (map == null || map.isEmpty()) continue;
+			Map<Band, ChatMember.ActiveFrequencyInfo> map = cm.getKnownActiveBands();
+			if (map == null || map.isEmpty()) continue;
 
-				for (Map.Entry<Band, ChatMember.ActiveFrequencyInfo> e : map.entrySet()) {
-					if (e.getKey() == null || e.getValue() == null) continue;
-
-					long age = nowMs - e.getValue().timestampEpoch;
-					if (age >= 0 && age <= maxAgeMs) {
-						offered.add(e.getKey());
-					}
-
-					if (DEBUG_BAND_UPGRADE_HINT) {
-						System.out.println("[BandUpgradeHint] history call=" + callRaw
-								+ " band=" + e.getKey()
-								+ " freq=" + e.getValue().frequency
-								+ " ageMs=" + age);
-					}
+			for (Map.Entry<Band, ChatMember.ActiveFrequencyInfo> e : map.entrySet()) {
+				if (e.getKey() == null || e.getValue() == null) continue;
 
+				long age = nowMs - e.getValue().timestampEpoch;
+				if (age >= 0 && age <= maxAgeMs) {
+					offered.add(e.getKey());
+				}
 
+				if (DEBUG_BAND_UPGRADE_HINT) {
+					System.out.println("[BandUpgradeHint] history call=" + callRaw
+							+ " band=" + e.getKey()
+							+ " freq=" + e.getValue().frequency
+							+ " ageMs=" + age);
 				}
 			}
 		}
+
 		return offered;
 	}
 
@@ -356,21 +354,19 @@ public class ChatController implements ThreadStatusCallback, PstRotatorEventList
 
 		EnumSet<Band> worked = EnumSet.noneOf(Band.class);
 
-		synchronized (getLst_chatMemberList()) {
-			for (ChatMember cm : getLst_chatMemberList()) {
-				if (cm == null || cm.getCallSignRaw() == null) continue;
-				if (!normalizeCallRaw(cm.getCallSignRaw()).equals(callRaw)) continue;
+		for (ChatMember cm : findActiveChatMembersByRawCall(callRaw)) {
+			if (cm == null || cm.getCallSignRaw() == null) continue;
 
-				if (cm.isWorked144())  worked.add(Band.B_144);
-				if (cm.isWorked432())  worked.add(Band.B_432);
-				if (cm.isWorked1240()) worked.add(Band.B_1296);
-				if (cm.isWorked2300()) worked.add(Band.B_2320);
-				if (cm.isWorked3400()) worked.add(Band.B_3400);
-				if (cm.isWorked5600()) worked.add(Band.B_5760);
-				if (cm.isWorked10G())  worked.add(Band.B_10G);
-				if (cm.isWorked24G())  worked.add(Band.B_24G); // optional, only if your Band enum supports it
-			}
+			if (cm.isWorked144())  worked.add(Band.B_144);
+			if (cm.isWorked432())  worked.add(Band.B_432);
+			if (cm.isWorked1240()) worked.add(Band.B_1296);
+			if (cm.isWorked2300()) worked.add(Band.B_2320);
+			if (cm.isWorked3400()) worked.add(Band.B_3400);
+			if (cm.isWorked5600()) worked.add(Band.B_5760);
+			if (cm.isWorked10G())  worked.add(Band.B_10G);
+			if (cm.isWorked24G())  worked.add(Band.B_24G);
 		}
+
 		return worked;
 	}
 
@@ -645,7 +641,8 @@ public class ChatController implements ThreadStatusCallback, PstRotatorEventList
 
 //            rotatorClient.
 
-			this.lst_chatMemberList.clear();;
+//			this.lst_chatMemberList.clear();;
+			this.clearActiveChatMembers();
 			this.lst_clusterMemberList.clear();
 
 			this.setDisconnected(true);
@@ -713,7 +710,7 @@ public class ChatController implements ThreadStatusCallback, PstRotatorEventList
 			}
 		} else if (action.equals(ApplicationConstants.DISCSTRING_DISCONNECTONLY)){
 
-			this.lst_chatMemberList.clear();;
+			this.clearActiveChatMembers();
 			this.lst_clusterMemberList.clear();
 
 
@@ -959,16 +956,9 @@ public class ChatController implements ThreadStatusCallback, PstRotatorEventList
 		if (targetCallsignRaw == null || targetCallsignRaw.isBlank()) {
 			return null;
 		}
-		String normalizedTargetCall = normalizeCallRaw(targetCallsignRaw);
-		synchronized (getLst_chatMemberList()) {
-			for (ChatMember member : getLst_chatMemberList()) {
-				if (member == null || member.getCallSignRaw() == null) continue;
-				if (normalizeCallRaw(member.getCallSignRaw()).equals(normalizedTargetCall)) {
-					return member;
-				}
-			}
-		}
-		return null;
+
+		List<ChatMember> matchingMembers = findActiveChatMembersByRawCall(targetCallsignRaw);
+		return matchingMembers.isEmpty() ? null : matchingMembers.get(0);
 	}
 
 	private String resolveSkedTargetLocator(String targetCallsignRaw) {
@@ -976,22 +966,43 @@ public class ChatController implements ThreadStatusCallback, PstRotatorEventList
 			return null;
 		}
 
-		String normalizedTargetCall = normalizeCallRaw(targetCallsignRaw);
-		synchronized (getLst_chatMemberList()) {
-			for (ChatMember member : getLst_chatMemberList()) {
-				if (member == null || member.getCallSignRaw() == null) continue;
-				if (!normalizeCallRaw(member.getCallSignRaw()).equals(normalizedTargetCall)) continue;
-
-				String locator = member.getQra();
-				if (locator != null && !locator.isBlank()) {
-					return locator.trim().toUpperCase(Locale.ROOT);
-				}
+		for (ChatMember member : findActiveChatMembersByRawCall(targetCallsignRaw)) {
+			String locator = member.getQra();
+			if (locator != null && !locator.isBlank()) {
+				return locator.trim().toUpperCase(Locale.ROOT);
 			}
 		}
 
 		return null;
 	}
 
+//	private ChatMember resolveSkedTargetMember(String targetCallsignRaw) {
+//		if (targetCallsignRaw == null || targetCallsignRaw.isBlank()) {
+//			return null;
+//		}
+//
+//		List<ChatMember> matchingMembers = findActiveChatMembersByRawCall(targetCallsignRaw);
+//		return matchingMembers.isEmpty() ? null : matchingMembers.get(0);
+//
+//	}
+//
+//	private String resolveSkedTargetLocator(String targetCallsignRaw) {
+//		if (targetCallsignRaw == null || targetCallsignRaw.isBlank()) {
+//			return null;
+//		}
+//
+//		String normalizedTargetCall = normalizeCallRaw(targetCallsignRaw);
+//
+//		for (ChatMember member : findActiveChatMembersByRawCall(targetCallsignRaw)) {
+//			String locator = member.getQra();
+//			if (locator != null && !locator.isBlank()) {
+//				return locator.trim().toUpperCase(Locale.ROOT);
+//			}
+//		}
+//
+//		return null;
+//	}
+
 	public StationMetricsService getStationMetricsService() {
 		return stationMetricsService;
 	}
@@ -1014,10 +1025,14 @@ public class ChatController implements ThreadStatusCallback, PstRotatorEventList
 		return new HashMap<>(lastInboundCategoryByCallSignRaw);
 	}
 
+//	public List<ChatMember> snapshotChatMembers() {
+//		synchronized (getLst_chatMemberList()) {
+//			return new ArrayList<>(getLst_chatMemberList());
+//		}
+//	}
+
 	public List<ChatMember> snapshotChatMembers() {
-		synchronized (getLst_chatMemberList()) {
-			return new ArrayList<>(getLst_chatMemberList());
-		}
+		return new ArrayList<>(activeChatMembersByCallAndCategory.values());
 	}
 
 	public List<ContestSked> snapshotActiveSkeds() {
@@ -1126,13 +1141,27 @@ public class ChatController implements ThreadStatusCallback, PstRotatorEventList
 	private ObservableList<ChatMember> chatMemberList = FXCollections.observableArrayList(); // List of active stations
 
 
-	private ObservableList<ChatMember> lst_chatMemberList = FXCollections.synchronizedObservableList(chatMemberList); // List
 																														// of active stn in chat
 	private FilteredList<ChatMember> lst_chatMemberListFiltered = new FilteredList<ChatMember>(chatMemberList);
 	private SortedList<ChatMember> lst_chatMemberSortedFilteredList = new SortedList<ChatMember>(lst_chatMemberListFiltered);
+
+	private ObservableList<ChatMember> lst_chatMemberList = FXCollections.synchronizedObservableList(chatMemberList); // List
 	private ObservableList<Predicate<ChatMember>> lst_chatMemberListFilterPredicates = FXCollections.observableArrayList();
 	private ObservableList<ClusterMessage> lst_clusterMemberList = FXCollections.observableArrayList();
 
+	/*
+	 * Thread-safe active-member model.
+	 *
+	 * MessageBusManagementThread must not use the JavaFX TableView backing list as
+	 * its primary data model. Otherwise every add/remove fires FilteredList,
+	 * SortedList and TableView selection listeners on the MessageBus thread and JavaFX
+	 * can throw "Not on FX application thread" or internal listener NPEs.
+	 *
+	 * This map is the worker-thread safe source of truth. The ObservableList below
+	 * remains a UI mirror and is mutated only on the JavaFX application thread.
+	 */
+	private final java.util.concurrent.ConcurrentMap<String, ChatMember> activeChatMembersByCallAndCategory =
+			new java.util.concurrent.ConcurrentHashMap<>();
 
 	/*
 	 * Message table update buffers.
@@ -1161,6 +1190,254 @@ public class ChatController implements ThreadStatusCallback, PstRotatorEventList
 	// ******************************************************************************************************************************************
 
 
+	/**
+	 * Executes UI-bound work on the JavaFX application thread.
+	 *
+	 * Worker threads may call this safely. If the caller is already on the FX
+	 * thread, the action is executed immediately to preserve ordering.
+	 */
+	private void runOnFxThread(Runnable action) {
+		if (action == null) {
+			return;
+		}
+
+		if (Platform.isFxApplicationThread()) {
+			action.run();
+		} else {
+			Platform.runLater(action);
+		}
+	}
+
+	/**
+	 * Builds the active-member key. The raw/base callsign alone is not enough
+	 * because the same station can be logged into multiple ON4KST categories at
+	 * the same time. Therefore the category number is part of the key.
+	 */
+	private String buildActiveChatMemberKey(String callSign, ChatCategory category) {
+		String normalizedCallsign = ChatMember.normalizeCallSignToBaseCallSign(callSign);
+		if (normalizedCallsign == null || normalizedCallsign.isBlank()) {
+			return null;
+		}
+
+		int categoryNumber = category == null ? -1 : category.getCategoryNumber();
+		return normalizedCallsign.trim().toUpperCase(Locale.ROOT) + "|" + categoryNumber;
+	}
+
+	private String buildActiveChatMemberKey(ChatMember member) {
+		if (member == null) {
+			return null;
+		}
+
+		String callSign = member.getCallSignRaw() != null ? member.getCallSignRaw() : member.getCallSign();
+		return buildActiveChatMemberKey(callSign, member.getChatCategory());
+	}
+
+	/**
+	 * Adds or replaces an active chat member in the worker-thread model and mirrors
+	 * that change to the JavaFX list. This is the only supported path for ON4KST
+	 * user-enter events.
+	 */
+	public void addOrUpdateActiveChatMember(ChatMember member) {
+		String key = buildActiveChatMemberKey(member);
+		if (key == null) {
+			return;
+		}
+
+		activeChatMembersByCallAndCategory.put(key, member);
+
+		runOnFxThread(() -> {
+			int existingIndex = findChatMemberIndexInUiListByKey(key);
+			if (existingIndex >= 0) {
+				lst_chatMemberList.set(existingIndex, member);
+			} else {
+				lst_chatMemberList.add(member);
+			}
+		});
+	}
+
+	/**
+	 * Removes an active chat member from the worker-thread model and from the UI
+	 * mirror. Removal from the ObservableList is always performed on the FX thread
+	 * because the list is bound to FilteredList/SortedList/TableView.
+	 */
+	public boolean removeActiveChatMember(ChatMember member) {
+		String key = buildActiveChatMemberKey(member);
+		if (key == null) {
+			return false;
+		}
+
+		ChatMember removedMember = activeChatMembersByCallAndCategory.remove(key);
+		runOnFxThread(() -> lst_chatMemberList.removeIf(currentMember -> key.equals(buildActiveChatMemberKey(currentMember))));
+		return removedMember != null;
+	}
+
+	/**
+	 * Clears the active-member model and the JavaFX UI mirror. Use this instead of
+	 * getLst_chatMemberList().clear() from timers or worker threads.
+	 */
+	public void clearActiveChatMembers() {
+		activeChatMembersByCallAndCategory.clear();
+		runOnFxThread(() -> lst_chatMemberList.clear());
+	}
+
+	/**
+	 * Resolves a member from the thread-safe active model. This avoids reading the
+	 * TableView backing list from MessageBusManagementThread.
+	 */
+	public ChatMember findActiveChatMember(ChatMember lookForThis) {
+		String key = buildActiveChatMemberKey(lookForThis);
+		return key == null ? null : activeChatMembersByCallAndCategory.get(key);
+	}
+
+	public ChatMember findActiveChatMember(String callSign, ChatCategory category) {
+		String key = buildActiveChatMemberKey(callSign, category);
+		return key == null ? null : activeChatMembersByCallAndCategory.get(key);
+	}
+
+	public int getActiveChatMemberCount() {
+		return activeChatMembersByCallAndCategory.size();
+	}
+
+	/**
+	 * Returns all active category variants of a callsign. This is used when a QRG or
+	 * band hint should be propagated from one category instance to the same station
+	 * in another category.
+	 */
+	public List<ChatMember> findActiveChatMembersByRawCall(String callSignRaw) {
+		String normalizedCallsign = ChatMember.normalizeCallSignToBaseCallSign(callSignRaw);
+		if (normalizedCallsign == null || normalizedCallsign.isBlank()) {
+			return Collections.emptyList();
+		}
+
+		String normalizedKeyPart = normalizedCallsign.trim().toUpperCase(Locale.ROOT);
+		List<ChatMember> matchingMembers = new ArrayList<>();
+
+		for (ChatMember member : activeChatMembersByCallAndCategory.values()) {
+			if (member == null) {
+				continue;
+			}
+
+			String memberCall = member.getCallSignRaw() != null ? member.getCallSignRaw() : member.getCallSign();
+			String normalizedMemberCall = ChatMember.normalizeCallSignToBaseCallSign(memberCall);
+			if (normalizedMemberCall != null && normalizedMemberCall.equalsIgnoreCase(normalizedKeyPart)) {
+				matchingMembers.add(member);
+			}
+		}
+
+		return matchingMembers;
+	}
+
+	/**
+	 * Updates locator and derived direction values in the active model. The UI list
+	 * contains the same member object, but the user-list refresh is still triggered
+	 * on the JavaFX thread so TableView/map derived displays can repaint safely.
+	 */
+	public boolean updateActiveChatMemberLocator(ChatMember lookupMember, String newLocator) {
+		ChatMember activeMember = findActiveChatMember(lookupMember);
+		if (activeMember == null) {
+			return false;
+		}
+
+		activeMember.setQra(newLocator);
+		activeMember.setQrb(new Location().getDistanceKmByTwoLocatorStrings(chatPreferences.getStn_loginLocatorMainCat(), newLocator));
+		activeMember.setQTFdirection(new Location(chatPreferences.getStn_loginLocatorMainCat()).getBearing(new Location(newLocator)));
+		fireUserListUpdate("Locator changed");
+		return true;
+	}
+
+	public boolean updateActiveChatMemberState(ChatMember lookupMember, int newState) {
+		ChatMember activeMember = findActiveChatMember(lookupMember);
+		if (activeMember == null) {
+			return false;
+		}
+
+		activeMember.setState(newState);
+		fireUserListUpdate("User state changed");
+		return true;
+	}
+
+	/**
+	 * Applies a UM3-style user-info update only to an already active chat member.
+	 *
+	 * ON4KST may send UM3 messages for stations that are not logged into the
+	 * current channel, for example when a user changes locator/profile data on the
+	 * website. Such stations must not be added to the visible chat member list,
+	 * because they cannot be addressed in the channel. Their full information will
+	 * be delivered again with UA0/UA5/UA2 when they actually join.
+	 *
+	 * @return true if an active member was found and updated, false if the UM3
+	 *         information was intentionally ignored.
+	 */
+	public boolean updateActiveChatMemberInfoIfPresent(ChatMember updatedMember) {
+		String key = buildActiveChatMemberKey(updatedMember);
+		if (key == null) {
+			return false;
+		}
+
+		ChatMember activeMember = activeChatMembersByCallAndCategory.get(key);
+		if (activeMember == null) {
+			return false;
+		}
+
+		activeMember.setName(updatedMember.getName());
+		activeMember.setQra(updatedMember.getQra());
+		activeMember.setState(updatedMember.getState());
+		activeMember.setLastActivity(updatedMember.getLastActivity());
+		activeMember.setActivityTimeLastInEpoch(updatedMember.getActivityTimeLastInEpoch());
+		activeMember.setQrb(updatedMember.getQrb());
+		activeMember.setQTFdirection(updatedMember.getQTFdirection());
+		fireUserListUpdate("User info updated");
+		return true;
+	}
+
+	/**
+	 * Backward-compatible wrapper for older call sites. Despite the historic name,
+	 * this method no longer adds unknown UM3 users to the active member model.
+	 */
+	public boolean updateOrAddActiveChatMemberInfo(ChatMember updatedMember) {
+		return updateActiveChatMemberInfoIfPresent(updatedMember);
+	}
+
+	/**
+	 * Stores a newly detected QRG/band on all active category variants of a station.
+	 * The old StringProperty is still set for compatibility with existing TableView
+	 * columns and DXCluster code.
+	 */
+	public void applyDetectedFrequencyToActiveMembers(ChatMember sender, Band detectedBand, double detectedFrequencyMhz) {
+		if (sender == null || detectedBand == null || detectedFrequencyMhz <= 0) {
+			return;
+		}
+
+		String displayFrequency = String.valueOf(detectedFrequencyMhz);
+		String rawCall = sender.getCallSignRaw() != null ? sender.getCallSignRaw() : sender.getCallSign();
+
+		for (ChatMember member : findActiveChatMembersByRawCall(rawCall)) {
+			if (member == null) {
+				continue;
+			}
+			member.addKnownFrequency(detectedBand, detectedFrequencyMhz);
+			member.setFrequency(new SimpleStringProperty(displayFrequency));
+		}
+
+		// Also cover dummy senders that are not in the active model, e.g. [n/a] senders.
+		sender.addKnownFrequency(detectedBand, detectedFrequencyMhz);
+		sender.setFrequency(new SimpleStringProperty(displayFrequency));
+		fireUserListUpdate("Frequency detected");
+	}
+
+	private int findChatMemberIndexInUiListByKey(String key) {
+		if (key == null) {
+			return -1;
+		}
+
+		for (int i = 0; i < lst_chatMemberList.size(); i++) {
+			if (key.equals(buildActiveChatMemberKey(lst_chatMemberList.get(i)))) {
+				return i;
+			}
+		}
+		return -1;
+	}
+
 
 
 
@@ -2011,7 +2288,7 @@ public class ChatController implements ThreadStatusCallback, PstRotatorEventList
 							socket.close();
 							
 							chatController.setConnectedAndLoggedIn(false);
-							chatController.getLst_chatMemberList().clear();
+							chatController.clearActiveChatMembers();
 
 							System.out.println("[Chatcontroller, Warning: ] Socket closed or disconnected");
 						

src/main/java/kst4contest/view/Kst4ContestApplication.java

@@ -5016,7 +5016,7 @@ public class Kst4ContestApplication extends Application implements StatusUpdateL
 		help2.setOnAction(new EventHandler<ActionEvent>() {
 			public void handle(ActionEvent event) {
 
-				getHostServices().showDocument("https://www.paypal.com/paypalme/do5amf");
+				getHostServices().showDocument("https://ko-fi.com/praktimarc");
 
 			}
 		});
@@ -5970,9 +5970,19 @@ public class Kst4ContestApplication extends Application implements StatusUpdateL
 			txt_myQTF.getStyleClass().add("text-input");
 			txt_myQTF.getStyleClass().add("text-input-MYQRG1");
 
-            txt_myQTF.textProperty().bind(Bindings.createStringBinding(
-                    () -> Double.toString(chatcontroller.getChatPreferences().getActualQTF().get()),
-                    chatcontroller.getChatPreferences().getActualQTF()));
+			// Rotator sync on/off determines whether this field is bound (read-only, driven
+			// by PSTRotator) or free for manual entry, mirroring the MYQRG sync behaviour above.
+			if (chatcontroller.getChatPreferences().isStn_pstRotatorEnabled()) {
+				txt_myQTF.textProperty().bind(Bindings.createStringBinding(
+						() -> Double.toString(chatcontroller.getChatPreferences().getActualQTF().get()),
+						chatcontroller.getChatPreferences().getActualQTF()));
+				txt_myQTF.setTooltip(new Tooltip("This is your current QTF, read out at PSTRotator"));
+				txt_myQTF.setFocusTraversable(false);
+			} else {
+				txt_myQTF.setText(Double.toString(chatcontroller.getChatPreferences().getActualQTF().get()));
+				txt_myQTF.setTooltip(new Tooltip("Enter your antenna heading (QTF) by hand - no rotator sync active"));
+				txt_myQTF.setFocusTraversable(true);
+			}
 
 			txt_myQTF.focusedProperty().addListener(new ChangeListener<Boolean>() {
 				@Override
@@ -5982,13 +5992,16 @@ public class Kst4ContestApplication extends Application implements StatusUpdateL
 //			            System.out.println("Textfield on focus");
 						// Do nothing until field loses focus, user will enter his frequency
 					} else {
+						if (txt_myQTF.textProperty().isBound()) {
+							return; // rotator sync active, field is driven by PSTRotator
+						}
 						try {
 						System.out.println(
 								"[Main.java, Info]: Set the MYQTF property by hand to: " + txt_myQTF.getText());
-						chatcontroller.getChatPreferences().getActualQTF().set(Integer.parseInt(txt_myQTF.getText()));}
+						chatcontroller.getChatPreferences().getActualQTF().set(Double.parseDouble(txt_myQTF.getText()));}
 						catch (Exception exception) {
 							System.out.println("bullshit entered in myqtf");
-							txt_myQTF.setText("0");
+							txt_myQTF.setText("0.0");
 						}
 					}
 				}
@@ -5997,8 +6010,6 @@ public class Kst4ContestApplication extends Application implements StatusUpdateL
 			txt_myQTF.setPrefSize(40, 0);
 //			txt_ownqrg.setMinSize(40, 0);
 			txt_myQTF.setAlignment(Pos.BASELINE_RIGHT);
-			txt_myQTF.setTooltip(new Tooltip("This is your current QTF, read out at PSTRotator"));
-			txt_myQTF.setFocusTraversable(false);
 
 			SplitPane mainWindowLeftSplitPane = new SplitPane();
 			mainWindowLeftSplitPane.setOrientation(Orientation.HORIZONTAL);
@@ -8637,9 +8648,21 @@ public class Kst4ContestApplication extends Application implements StatusUpdateL
 		chkBx_station_pstRotatorEnabled.setTooltip(new Tooltip(
 				"If disabled: no PSTRotator connection is started and antenna direction is ignored in priority scoring."
 		));
-		chkBx_station_pstRotatorEnabled.selectedProperty().addListener((obs, oldV, newV) ->
-				chatcontroller.getChatPreferences().setStn_pstRotatorEnabled(newV)
-		);
+		chkBx_station_pstRotatorEnabled.selectedProperty().addListener((obs, oldV, newV) -> {
+			chatcontroller.getChatPreferences().setStn_pstRotatorEnabled(newV);
+			if (newV) {
+				txt_myQTF.textProperty().bind(Bindings.createStringBinding(
+						() -> Double.toString(chatcontroller.getChatPreferences().getActualQTF().get()),
+						chatcontroller.getChatPreferences().getActualQTF()));
+				txt_myQTF.setTooltip(new Tooltip("This is your current QTF, read out at PSTRotator"));
+				txt_myQTF.setFocusTraversable(false);
+			} else {
+				txt_myQTF.textProperty().unbind();
+				txt_myQTF.setText(Double.toString(chatcontroller.getChatPreferences().getActualQTF().get()));
+				txt_myQTF.setTooltip(new Tooltip("Enter your antenna heading (QTF) by hand - no rotator sync active"));
+				txt_myQTF.setFocusTraversable(true);
+			}
+		});
 
 
 		grdPnlStation.add(lblCallSign, 0, 0);

src/main/java/kst4contest/view/map/MapHtmlResources.java

@@ -13,8 +13,12 @@ import java.nio.charset.StandardCharsets;
  * - inspectPoint(x,y) returns what is under the cursor
  * - zoomIn()/zoomOut() are callable from Java
  * - grid / beam / connection use non-interactive panes
- * - JavaScript logs are forwarded to Java through javaMapBridge
+ * - JavaScript errors are forwarded to Java through javaMapBridge
  * - setTheme(light|dark) aligns the map with the JavaFX application theme
+ *
+ * Important:
+ * This version intentionally uses integer Leaflet zoom levels again.
+ * Fractional zoom in JavaFX WebView caused unreliable marker positioning.
  */
 public final class MapHtmlResources {
 
@@ -184,6 +188,111 @@ public final class MapHtmlResources {
                             font-weight: 800;
                         }
 
+                        .station-cluster-wrapper {
+                            background: transparent;
+                            border: none;
+                            box-shadow: none;
+                        }
+
+                        .station-cluster-root {
+                            position: relative;
+                            width: 1px;
+                            height: 1px;
+                            pointer-events: auto;
+                            cursor: pointer;
+                            user-select: none;
+                        }
+
+                        /*
+                         * Cluster design aligned with normal KST4Contest station markers:
+                         * - dark center like station-dot
+                         * - blue border for normal clustered stations
+                         * - yellow border when the cluster contains worked stations
+                         * - orange hover border similar to selected station state
+                         */
+                        .station-cluster-bubble {
+                            position: absolute;
+                            left: -16px;
+                            top: -16px;
+                            min-width: 32px;
+                            height: 32px;
+                            padding: 0 7px;
+                            border-radius: 18px;
+                            background: #1d1d1d;
+                            color: #f4f7fa;
+                            border: 2px solid #4da6ff;
+                            box-shadow:
+                                0 0 0 1px rgba(0, 0, 0, 0.35),
+                                0 2px 7px rgba(0, 0, 0, 0.42);
+                            box-sizing: border-box;
+                            font-size: 13px;
+                            font-weight: 800;
+                            line-height: 28px;
+                            text-align: center;
+                            white-space: nowrap;
+                        }
+
+                        .station-cluster-bubble.medium {
+                            left: -18px;
+                            top: -18px;
+                            min-width: 36px;
+                            height: 36px;
+                            border-radius: 20px;
+                            font-size: 14px;
+                            line-height: 32px;
+                        }
+
+                        .station-cluster-bubble.large {
+                            left: -21px;
+                            top: -21px;
+                            min-width: 42px;
+                            height: 42px;
+                            border-radius: 23px;
+                            font-size: 15px;
+                            line-height: 38px;
+                        }
+
+                        .station-cluster-bubble.worked {
+                            border-color: #ffd24d;
+                        }
+
+                        .station-cluster-bubble.warning {
+                            border-color: #00ff66;
+                            color: #00ff66;
+                        }
+
+                        .station-cluster-root:hover .station-cluster-bubble {
+                            border-color: #ff9900;
+                            box-shadow:
+                                0 0 0 2px rgba(255, 153, 0, 0.28),
+                                0 2px 9px rgba(0, 0, 0, 0.48);
+                        }
+
+                        body.kst-theme-dark .station-cluster-bubble {
+                            background: #202428;
+                            color: #f1f3f5;
+                            border-color: #4da6ff;
+                            box-shadow:
+                                0 0 0 1px rgba(255, 255, 255, 0.12),
+                                0 2px 8px rgba(0, 0, 0, 0.58);
+                        }
+
+                        body.kst-theme-dark .station-cluster-bubble.worked {
+                            border-color: #ffd24d;
+                        }
+
+                        body.kst-theme-dark .station-cluster-bubble.warning {
+                            border-color: #00ff66;
+                            color: #00ff66;
+                        }
+
+                        body.kst-theme-dark .station-cluster-root:hover .station-cluster-bubble {
+                            border-color: #ff9900;
+                            box-shadow:
+                                0 0 0 2px rgba(255, 153, 0, 0.32),
+                                0 2px 10px rgba(0, 0, 0, 0.65);
+                        }
+
                         .maidenhead-grid-label-wrapper {
                             background: transparent;
                             border: none;
@@ -225,9 +334,6 @@ public final class MapHtmlResources {
                 <script>window._kstTileProxyPort=__TILE_PROXY_PORT__;</script>
 
                 <script>
-                
-                
-                
                     window.kstMapApi = (function () {
                         let map;
                         let stationLayer;
@@ -235,11 +341,77 @@ public final class MapHtmlResources {
                         let beamLayer;
                         let connectionLayer;
                         let profileHoverMarker;
+
+                        /*
+                         * Currently visible individual station markers.
+                         *
+                         * A callsign is present here only when it is rendered individually.
+                         * If the station is inside a cluster, stationsByCallsignRaw is used
+                         * for focus/zoom operations.
+                         */
                         let markersByCallsignRaw = {};
+
+                        /*
+                         * All station data as received from Java.
+                         */
+                        let stationData = [];
+                        let stationsByCallsignRaw = {};
+
+                        let clustersById = {};
+                        let clusterSequence = 0;
+
                         let activeTheme = 'light';
                         let invalidateNotifyTimer = 0;
 
+                        /*
+                         * Integer zoom only.
+                         *
+                         * Fractional zoom is intentionally disabled because JavaFX WebView
+                         * and Leaflet marker positioning were unreliable at intermediate
+                         * zoom levels.
+                         */
+                        const KST_ZOOM_STEP = 1;
+                        const KST_MIN_ZOOM = 3;
+                        const KST_MAX_ZOOM = 18;
+
+                        /*
+                         * Enables verbose JavaScript map logging.
+                         *
+                         * Keep this false for normal operation. jsError() still reports
+                         * real errors.
+                         */
+                        const KST_MAP_DEBUG = false;
+
+                        /*
+                         * Cluster settings.
+                         *
+                         * With integer zoom, clustering is disabled at zoom >= 8.
+                         * At zoom 7 only very close stations are grouped.
+                         */
+                        const KST_CLUSTER_DISABLE_ZOOM = 8;
+
+                        /*
+                         * Do not cluster pairs immediately. Two nearby stations are still
+                         * readable and should remain individually clickable.
+                         */
+                        const KST_CLUSTER_MIN_STATIONS = 3;
+
+                        /*
+                         * Cluster cell sizes in screen pixels.
+                         *
+                         * Smaller cells make clustering less aggressive. Stations must be
+                         * closer together on screen before they are grouped.
+                         */
+                        const KST_CLUSTER_CELL_SIZE_HIGH_ZOOM = 55;
+                        const KST_CLUSTER_CELL_SIZE_MEDIUM_ZOOM = 70;
+                        const KST_CLUSTER_CELL_SIZE_LOW_ZOOM = 95;
+                        const KST_CLUSTER_CELL_SIZE_VERY_LOW_ZOOM = 125;
+
                         function jsLog(message) {
+                            if (!KST_MAP_DEBUG) {
+                                return;
+                            }
+
                             try {
                                 if (window.javaMapBridge) {
                                     window.javaMapBridge.onJsLog(String(message));
@@ -358,6 +530,331 @@ public final class MapHtmlResources {
                                 + '</div>';
                         }
 
+                        function getStationCallsignKey(station) {
+                            if (!station || station.callSignRaw === null || station.callSignRaw === undefined) {
+                                return '';
+                            }
+
+                            return String(station.callSignRaw);
+                        }
+
+                        function isStationPositionValid(station) {
+                            if (!station) {
+                                return false;
+                            }
+
+                            return isFinite(station.latitudeDeg) && isFinite(station.longitudeDeg);
+                        }
+
+                        /**
+                         * Returns true for stations that must not be hidden inside a cluster.
+                         *
+                         * These stations remain individually visible even at low zoom levels
+                         * because they are operationally important during contest operation.
+                         */
+                        function shouldRenderStationIndividually(station) {
+                            if (!station) {
+                                return false;
+                            }
+
+                            if (station.selected) {
+                                return true;
+                            }
+
+                            if (station.warningToMyDirection) {
+                                return true;
+                            }
+
+                            return false;
+                        }
+
+                        /**
+                         * Returns the cluster grid size in screen pixels for the current zoom level.
+                         *
+                         * The cluster calculation is screen-based, not locator-based. This makes
+                         * the decision match the real visual problem: too many labels in the same
+                         * screen area.
+                         */
+                        function getClusterCellSizePx() {
+                            if (!map) {
+                                return KST_CLUSTER_CELL_SIZE_MEDIUM_ZOOM;
+                            }
+
+                            const zoom = Number(map.getZoom());
+
+                            if (zoom >= 7) {
+                                return KST_CLUSTER_CELL_SIZE_HIGH_ZOOM;
+                            }
+
+                            if (zoom >= 6) {
+                                return KST_CLUSTER_CELL_SIZE_MEDIUM_ZOOM;
+                            }
+
+                            if (zoom >= 5) {
+                                return KST_CLUSTER_CELL_SIZE_LOW_ZOOM;
+                            }
+
+                            return KST_CLUSTER_CELL_SIZE_VERY_LOW_ZOOM;
+                        }
+
+                        function buildClusterMarkerHtml(clusterId, clusterStations) {
+                            const count = clusterStations ? clusterStations.length : 0;
+
+                            let bubbleClasses = 'station-cluster-bubble';
+
+                            if (count >= 20) {
+                                bubbleClasses += ' large';
+                            } else if (count >= 8) {
+                                bubbleClasses += ' medium';
+                            }
+
+                            const containsWorkedStation = clusterStations
+                                && clusterStations.some(station => station && station.worked);
+
+                            const containsWarningStation = clusterStations
+                                && clusterStations.some(station => station && station.warningToMyDirection);
+
+                            if (containsWarningStation) {
+                                bubbleClasses += ' warning';
+                            } else if (containsWorkedStation) {
+                                bubbleClasses += ' worked';
+                            }
+
+                            return '<div class="station-cluster-root" data-cluster-id="' + escapeHtml(clusterId) + '">'
+                                + '<div class="' + bubbleClasses + '">' + count + '</div>'
+                                + '</div>';
+                        }
+
+                        function buildClusterTooltipHtml(clusterStations) {
+                            if (!clusterStations || clusterStations.length === 0) {
+                                return '';
+                            }
+
+                            const callsigns = clusterStations
+                                .map(station => station.markerLabel || station.callSignRaw || station.callSign || '')
+                                .filter(value => value !== null && value !== undefined && String(value).trim() !== '')
+                                .map(value => String(value).trim())
+                                .sort();
+
+                            const maxPreviewCount = 20;
+                            const preview = callsigns
+                                .slice(0, maxPreviewCount)
+                                .map(value => escapeHtml(value))
+                                .join('<br>');
+
+                            const remainingCount = Math.max(0, callsigns.length - maxPreviewCount);
+
+                            let html = '<b>' + clusterStations.length + ' stations</b>';
+
+                            if (preview) {
+                                html += '<br>' + preview;
+                            }
+
+                            if (remainingCount > 0) {
+                                html += '<br>+' + remainingCount + ' more';
+                            }
+
+                            html += '<br><i>Click to zoom in</i>';
+
+                            return html;
+                        }
+
+                        function addStationMarker(station) {
+                            if (!stationLayer || !isStationPositionValid(station)) {
+                                return;
+                            }
+
+                            const marker = L.marker(
+                                [station.latitudeDeg, station.longitudeDeg],
+                                {
+                                    interactive: true,
+                                    keyboard: false,
+                                    icon: L.divIcon({
+                                        className: 'station-marker-wrapper',
+                                        html: buildStationMarkerHtml(station),
+                                        iconSize: [1, 1],
+                                        iconAnchor: [0, 0]
+                                    })
+                                }
+                            );
+
+                            marker.addTo(stationLayer);
+
+                            const callSignKey = getStationCallsignKey(station);
+                            if (callSignKey) {
+                                markersByCallsignRaw[callSignKey] = marker;
+                            }
+                        }
+
+                        function addClusterMarker(clusterStations) {
+                            if (!stationLayer || !clusterStations || clusterStations.length === 0) {
+                                return;
+                            }
+
+                            let latSum = 0.0;
+                            let lonSum = 0.0;
+                            let validCount = 0;
+
+                            clusterStations.forEach(station => {
+                                if (isStationPositionValid(station)) {
+                                    latSum += Number(station.latitudeDeg);
+                                    lonSum += Number(station.longitudeDeg);
+                                    validCount++;
+                                }
+                            });
+
+                            if (validCount === 0) {
+                                return;
+                            }
+
+                            const centerLat = latSum / validCount;
+                            const centerLon = lonSum / validCount;
+
+                            const clusterId = 'cluster-' + (++clusterSequence);
+                            clustersById[clusterId] = clusterStations;
+
+                            const clusterMarker = L.marker(
+                                [centerLat, centerLon],
+                                {
+                                    interactive: true,
+                                    keyboard: false,
+                                    icon: L.divIcon({
+                                        className: 'station-cluster-wrapper',
+                                        html: buildClusterMarkerHtml(clusterId, clusterStations),
+                                        iconSize: [1, 1],
+                                        iconAnchor: [0, 0]
+                                    })
+                                }
+                            );
+
+                            clusterMarker.on('click', function () {
+                                zoomToCluster(clusterStations);
+                            });
+
+                            clusterMarker.bindTooltip(buildClusterTooltipHtml(clusterStations), {
+                                direction: 'top',
+                                sticky: true,
+                                opacity: 0.95
+                            });
+
+                            clusterMarker.addTo(stationLayer);
+                        }
+
+                        function renderAllStationsIndividually() {
+                            stationData.forEach(station => {
+                                addStationMarker(station);
+                            });
+                        }
+
+                        /**
+                         * Renders stations with simple screen-grid clustering.
+                         *
+                         * Important stations such as the currently selected station and warning
+                         * stations are rendered individually before clustering. They remain
+                         * visible even at low zoom levels.
+                         */
+                        function renderClusteredStations() {
+                            const clusterCellSizePx = getClusterCellSizePx();
+                            const buckets = {};
+
+                            stationData.forEach(station => {
+                                if (!isStationPositionValid(station)) {
+                                    return;
+                                }
+
+                                if (shouldRenderStationIndividually(station)) {
+                                    addStationMarker(station);
+                                    return;
+                                }
+
+                                const point = map.latLngToContainerPoint([station.latitudeDeg, station.longitudeDeg]);
+                                const cellX = Math.floor(point.x / clusterCellSizePx);
+                                const cellY = Math.floor(point.y / clusterCellSizePx);
+                                const key = cellX + ':' + cellY;
+
+                                if (!buckets[key]) {
+                                    buckets[key] = [];
+                                }
+
+                                buckets[key].push(station);
+                            });
+
+                            Object.keys(buckets).forEach(key => {
+                                const bucketStations = buckets[key];
+
+                                if (bucketStations.length >= KST_CLUSTER_MIN_STATIONS) {
+                                    addClusterMarker(bucketStations);
+                                } else {
+                                    bucketStations.forEach(station => addStationMarker(station));
+                                }
+                            });
+                        }
+
+                        /**
+                         * Re-renders station markers for the current zoom and viewport.
+                         *
+                         * This is called when stations arrive from Java and after zoom/move
+                         * events, because screen-grid clusters depend on the current viewport.
+                         */
+                        function renderStationMarkers() {
+                            if (!map || !stationLayer) {
+                                return;
+                            }
+
+                            stationLayer.clearLayers();
+                            markersByCallsignRaw = {};
+                            clustersById = {};
+                            clusterSequence = 0;
+
+                            if (!stationData || stationData.length === 0) {
+                                return;
+                            }
+
+                            if (Number(map.getZoom()) >= KST_CLUSTER_DISABLE_ZOOM) {
+                                renderAllStationsIndividually();
+                            } else {
+                                renderClusteredStations();
+                            }
+                        }
+
+                        /**
+                         * Zooms into a cluster.
+                         *
+                         * A cluster click does not select one station. It moves the map towards
+                         * the cluster center and increases zoom until individual stations become
+                         * visible.
+                         */
+                        function zoomToCluster(clusterStations) {
+                            if (!map || !clusterStations || clusterStations.length === 0) {
+                                return;
+                            }
+
+                            const latLngs = [];
+
+                            clusterStations.forEach(station => {
+                                if (isStationPositionValid(station)) {
+                                    latLngs.push(L.latLng(station.latitudeDeg, station.longitudeDeg));
+                                }
+                            });
+
+                            if (latLngs.length === 0) {
+                                return;
+                            }
+
+                            const bounds = L.latLngBounds(latLngs);
+                            const currentZoom = Number(map.getZoom());
+
+                            const targetZoom = clampZoomToLeafletLimits(
+                                Math.min(KST_CLUSTER_DISABLE_ZOOM, currentZoom + 1)
+                            );
+
+                            map.setView(bounds.getCenter(), targetZoom, {
+                                animate: false
+                            });
+
+                            notifyViewport();
+                        }
+
                         function init() {
                             if (map) {
                                 return true;
@@ -372,6 +869,17 @@ public final class MapHtmlResources {
 
                             map = L.map('map', {
                                 zoomControl: true,
+                                minZoom: KST_MIN_ZOOM,
+                                maxZoom: KST_MAX_ZOOM,
+
+                                /*
+                                 * Integer zoom only.
+                                 * This keeps station positions stable in JavaFX WebView.
+                                 */
+                                zoomSnap: 1,
+                                zoomDelta: 1,
+                                wheelPxPerZoomLevel: 120,
+
                                 zoomAnimation: false,
                                 fadeAnimation: false,
                                 markerZoomAnimation: false,
@@ -383,7 +891,8 @@ public final class MapHtmlResources {
                             const tileLayer = L.tileLayer(
                                 'http://127.0.0.1:' + window._kstTileProxyPort + '/tiles/{s}/{z}/{x}/{y}.png',
                                 {
-                                    maxZoom: 18,
+                                    minZoom: KST_MIN_ZOOM,
+                                    maxZoom: KST_MAX_ZOOM,
                                     updateWhenZooming: false,
                                     keepBuffer: 4,
                                     attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>'
@@ -419,12 +928,12 @@ public final class MapHtmlResources {
                             connectionLayer = L.layerGroup().addTo(map);
 
                             map.on('zoomend', function () {
-                                jsLog('zoomend -> ' + map.getZoom());
+                                renderStationMarkers();
                                 notifyViewport();
                             });
 
                             map.on('moveend', function () {
-                                jsLog('moveend');
+                                renderStationMarkers();
                                 notifyViewport();
                             });
 
@@ -476,20 +985,39 @@ public final class MapHtmlResources {
                             invalidateSize();
                         }
 
-                        function zoomIn() {
+                        /**
+                         * Keeps the zoom value inside the explicit KST zoom limits.
+                         */
+                        function clampZoomToLeafletLimits(zoom) {
+                            return Math.max(KST_MIN_ZOOM, Math.min(KST_MAX_ZOOM, zoom));
+                        }
+
+                        /**
+                         * Changes the zoom in stable integer steps.
+                         */
+                        function changeZoomByKstStep(delta) {
                             if (!map) {
                                 return;
                             }
 
-                            map.setZoom(map.getZoom() + 1, { animate: false });
+                            const currentZoom = Number(map.getZoom());
+                            const nextZoom = clampZoomToLeafletLimits(currentZoom + delta);
+
+                            if (nextZoom === currentZoom) {
+                                return;
+                            }
+
+                            map.setZoom(nextZoom, {
+                                animate: false
+                            });
+                        }
+
+                        function zoomIn() {
+                            changeZoomByKstStep(KST_ZOOM_STEP);
                         }
 
                         function zoomOut() {
-                            if (!map) {
-                                return;
-                            }
-
-                            map.setZoom(map.getZoom() - 1, { animate: false });
+                            changeZoomByKstStep(-KST_ZOOM_STEP);
                         }
 
                         function getViewportState() {
@@ -522,6 +1050,12 @@ public final class MapHtmlResources {
                                     return 'station|' + callSignRaw + '|' + el.tagName + '|' + (el.className || '') + '|' + (el.textContent || '').trim();
                                 }
 
+                                const clusterRoot = el.closest('.station-cluster-root');
+                                if (clusterRoot) {
+                                    const clusterId = clusterRoot.getAttribute('data-cluster-id') || '';
+                                    return 'cluster|' + clusterId + '|' + el.tagName + '|' + (el.className || '') + '|' + (el.textContent || '').trim();
+                                }
+
                                 const zoomInButton = el.closest('.leaflet-control-zoom-in');
                                 if (zoomInButton) {
                                     return 'zoomIn||' + el.tagName + '|' + (el.className || '') + '|' + (el.textContent || '').trim();
@@ -542,8 +1076,8 @@ public final class MapHtmlResources {
                             if (!init()) {
                                 return;
                             }
-                            jsLog('setHome lat=' + lat + ' lon=' + lon + ' zoom=' + zoom);
-                            map.setView([lat, lon], zoom);
+
+                            map.setView([lat, lon], clampZoomToLeafletLimits(Math.round(Number(zoom))));
                         }
 
                         function setStations(stationsJson) {
@@ -551,30 +1085,17 @@ public final class MapHtmlResources {
                                 return;
                             }
 
-                            stationLayer.clearLayers();
-                            markersByCallsignRaw = {};
+                            stationData = JSON.parse(stationsJson);
+                            stationsByCallsignRaw = {};
 
-                            const stations = JSON.parse(stationsJson);
-                            jsLog('setStations count=' + stations.length);
-
-                            stations.forEach(station => {
-                                const marker = L.marker(
-                                    [station.latitudeDeg, station.longitudeDeg],
-                                    {
-                                        interactive: true,
-                                        keyboard: false,
-                                        icon: L.divIcon({
-                                            className: 'station-marker-wrapper',
-                                            html: buildStationMarkerHtml(station),
-                                            iconSize: [1, 1],
-                                            iconAnchor: [0, 0]
-                                        })
-                                    }
-                                );
-
-                                marker.addTo(stationLayer);
-                                markersByCallsignRaw[station.callSignRaw] = marker;
+                            stationData.forEach(station => {
+                                const callSignKey = getStationCallsignKey(station);
+                                if (callSignKey) {
+                                    stationsByCallsignRaw[callSignKey] = station;
+                                }
                             });
+
+                            renderStationMarkers();
                         }
 
                         function setBeam(beamJson) {
@@ -592,8 +1113,6 @@ public final class MapHtmlResources {
                                 return;
                             }
 
-                            jsLog('setBeam points=' + points.length);
-
                             const latLngs = points.map(point => [point.lat, point.lon]);
 
                             L.polygon(latLngs, {
@@ -621,8 +1140,6 @@ public final class MapHtmlResources {
                                 return;
                             }
 
-                            jsLog('setConnection');
-
                             L.polyline(points.map(point => [point.lat, point.lon]), {
                                 pane: 'connectionPane',
                                 color: connectionColor(),
@@ -671,7 +1188,6 @@ public final class MapHtmlResources {
                             gridLayer.clearLayers();
 
                             const cells = JSON.parse(gridJson);
-                            jsLog('setGrid cells=' + cells.length);
 
                             cells.forEach(cell => {
                                 const rectangle = L.rectangle(
@@ -712,44 +1228,56 @@ public final class MapHtmlResources {
                         }
 
                         function focusCallsignRaw(callSignRaw) {
-                             if (!map || !callSignRaw) {
-                                 return;
-                             }
+                            if (!map || !callSignRaw) {
+                                return;
+                            }
 
-                             const marker = markersByCallsignRaw[callSignRaw];
-                             if (!marker) {
-                                 jsLog('focusCallsignRaw skipped for ' + callSignRaw);
-                                 return;
-                             }
+                            const marker = markersByCallsignRaw[callSignRaw];
+                            if (marker) {
+                                map.panTo(marker.getLatLng(), {
+                                    animate: false
+                                });
 
-                             jsLog('focusCallsignRaw ' + callSignRaw);
+                                notifyViewport();
+                                return;
+                            }
 
-                             map.panTo(marker.getLatLng(), {
-                                 animate: false
-                             });
-                
-                             notifyViewport();
-                         }
+                            /*
+                             * If the station is currently hidden inside a cluster, there is no
+                             * individual marker. Use the raw station data and zoom in far enough
+                             * so clustering is disabled and the station becomes visible.
+                             */
+                            const station = stationsByCallsignRaw[callSignRaw];
+                            if (station && isStationPositionValid(station)) {
+                                const focusZoom = clampZoomToLeafletLimits(
+                                    Math.max(Number(map.getZoom()), KST_CLUSTER_DISABLE_ZOOM)
+                                );
 
+                                map.setView([station.latitudeDeg, station.longitudeDeg], focusZoom, {
+                                    animate: false
+                                });
 
+                                notifyViewport();
+                            }
+                        }
                          
                         return {
-                              init: init,
-                              invalidateSize: invalidateSize,
-                              resize: resize,
-                              zoomIn: zoomIn,
-                              zoomOut: zoomOut,
-                              inspectPoint: inspectPoint,
-                              getViewportState: getViewportState,
-                              setHome: setHome,
-                              setStations: setStations,
-                              setBeam: setBeam,
-                              setConnection: setConnection,
-                              setProfileHoverPoint: setProfileHoverPoint,
-                              setGrid: setGrid,
-                              focusCallsignRaw: focusCallsignRaw,
-                              setTheme: setTheme
-                          };
+                            init: init,
+                            invalidateSize: invalidateSize,
+                            resize: resize,
+                            zoomIn: zoomIn,
+                            zoomOut: zoomOut,
+                            inspectPoint: inspectPoint,
+                            getViewportState: getViewportState,
+                            setHome: setHome,
+                            setStations: setStations,
+                            setBeam: setBeam,
+                            setConnection: setConnection,
+                            setProfileHoverPoint: setProfileHoverPoint,
+                            setGrid: setGrid,
+                            focusCallsignRaw: focusCallsignRaw,
+                            setTheme: setTheme
+                        };
                     })();
                 </script>
                 </body>

src/main/java/kst4contest/view/map/StationMapView.java

@@ -41,6 +41,14 @@ import javafx.scene.layout.ColumnConstraints;
  */
 public final class StationMapView {
 
+    /**
+     * Enables verbose map debug output.
+     *
+     * Keep this false for normal operation because scroll and viewport logs are very
+     * noisy during map interaction.
+     */
+    private static final boolean MAP_DEBUG_LOGGING = false;
+
     private final PathProfileChart detailPathProfileChart = new PathProfileChart();
     private final Label detailPathModeValue = new Label("-");
 
@@ -287,12 +295,17 @@ public final class StationMapView {
         webView.addEventHandler(MouseEvent.MOUSE_CLICKED, event -> handleWebViewClick(event));
 
         webView.addEventHandler(ScrollEvent.SCROLL, event -> {
-            System.out.println("[StationMap FX] SCROLL x=" + (int) event.getX()
-                    + " y=" + (int) event.getY()
-                    + " deltaY=" + event.getDeltaY());
+
+            if (MAP_DEBUG_LOGGING) {
+                System.out.println("[StationMap FX] SCROLL x=" + (int) event.getX()
+                        + " y=" + (int) event.getY()
+                        + " deltaY=" + event.getDeltaY());
+            }
 
             InteractiveTarget target = inspectInteractiveTarget(event.getX(), event.getY());
-            System.out.println("[StationMap FX] inspect scroll -> " + target);
+            if (MAP_DEBUG_LOGGING) {
+                System.out.println("[StationMap FX] inspect scroll -> " + target);
+            }
 
             if (event.getDeltaY() > 0) {
                 executeMapScriptSafely("window.kstMapApi.zoomIn();");

src/main/resources/web/leaflet/leaflet.css

@@ -650,6 +650,8 @@ svg.leaflet-image-layer.leaflet-interactive path {
     border-right-color: #fff;
 }
 
+
+
 /* Printing */
 
 @media print {

website/_site/about/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="About KST4Contest">
   <meta name="twitter:description" content="About KST4Contest and its contest-oriented ON4KST workflow.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/contact/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Contact | KST4Contest">
   <meta name="twitter:description" content="Contact options for KST4Contest.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/download/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Download KST4Contest">
   <meta name="twitter:description" content="Download KST4Contest releases for Windows, Linux and macOS.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/faq/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest FAQ">
   <meta name="twitter:description" content="Frequently asked questions about KST4Contest, ON4KST contest operation, AirScout integration and VHF/UHF/SHF contest workflow.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/features/airscout/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="AirScout Integration">
   <meta name="twitter:description" content="AirScout information helps operators evaluate AP windows, aircraft scatter timing and candidate stations during VHF/UHF/SHF contests.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/features/dual-chat/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Dual Chat Categories">
   <meta name="twitter:description" content="Dual category support gives contest operators better overview when working across multiple ON4KST chat rooms.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/features/dx-cluster/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="DXCluster Server">
   <meta name="twitter:description" content="KST4Contest includes DXCluster functionality to support situational awareness during contest operation.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/features/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest Features">
   <meta name="twitter:description" content="Contest-optimized ON4KST features for VHF, UHF and SHF operation.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/features/log-sync/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Log Synchronization">
   <meta name="twitter:description" content="Log synchronization helps KST4Contest understand worked stations, active bands and contest context.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/features/macros/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Macros and Variables">
   <meta name="twitter:description" content="Macros reduce repetitive typing and help operators respond quickly during active ON4KST contest sessions.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/features/priority-score/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Priority Score System">
   <meta name="twitter:description" content="KST4Contest ranks stations by activity, direction, sked context, band information, QRG hints and operator workflow signals.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/features/sked-reminder/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Sked Reminder">
   <meta name="twitter:description" content="KST4Contest keeps skeds in focus while the operator handles chat traffic, logging, bands and aircraft scatter timing.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/features/timeline/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Timeline View">
   <meta name="twitter:description" content="The timeline view helps operators understand short propagation windows and candidate timing during active contest operation.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest – Contest-Optimized ON4KST Chat Client">
   <meta name="twitter:description" content="KST4Contest is a modern ON4KST chat client built for VHF, UHF and SHF contest operation.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/kst4ContestVersionInfo.xml

@@ -0,0 +1,537 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<praktiKST>
+    <latestVersion>
+        <versionNumber>1.411</versionNumber>
+        <adminMessage></adminMessage>
+        <majorChanges>- Score of Top-Priority Candidates in the user section
+- Broadcast Messages (To ALL Station in Contest) in seperate Window</majorChanges>
+        <latestVersionPathOnWebserver>https://github.com/praktimarc/kst4contest/releases/download/v1.41.1/praktiKST-v1.41.1-windows-x64.zip</latestVersionPathOnWebserver>
+    </latestVersion>
+    <needUpdateSinceLastVersion>
+        <filename>nothing</filename>
+    </needUpdateSinceLastVersion>
+<roadmap>
+        <featurerequest>
+            <featureDescription>Cyclic update of own name in chat to actual QRG</featureDescription>
+            <requestDate>2024-02</requestDate>
+            <state>open</state>
+        </featurerequest>
+        <featurerequest>
+            <featureDescription>Acoustic warnings</featureDescription>
+            <requestDate>2023-12</requestDate>
+            <state>added</state>
+        </featurerequest>
+        <featurerequest>
+            <featureDescription>Airscout support</featureDescription>
+            <requestDate>2023-03</requestDate>
+            <state>added</state>
+        </featurerequest>
+        <featurerequest>
+            <featureDescription>cyclic beacon messages in public chat</featureDescription>
+            <requestDate>2023-03</requestDate>
+            <state>added</state>
+        </featurerequest>
+    </roadmap>
+<bugsReported>
+        <bug>
+            <bugdescription>
+stations like ol7c-7 and ol7c-2 will not be marked as worked if only "ol7c"
+is in the log. Need to interprete that. May ignore suffix starting with "-"</bugdescription>
+            <state>solved</state>
+        </bug>
+        <bug>
+            <bugdescription>
+worked callsigns table is updated only once after connected to chat
+Should be available directly after program started.
+But Reset works all time</bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request: language-specific strings, maybe based to an xml file
+            </bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request: Macros
+            </bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            Automatic elimination of calls already connected from the log
+            </bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            Limitation of users beyond a certain QRB
+            </bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            User division for QTF perhaps settable based on the antenna lobe
+            </bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            Notification of new incoming users</bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            Evidence of a call which was written but not responded to.
+            </bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            direction based reachable-warnings:
+            if the chatclient detects a realised qso between two stations which both must have
+            directed their beams to my station, there should be an instant warning to me for
+            working at least one of the stations at the detected qrg</bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            implement ASShowpath message to airacout;
+            by doubleclicking a callsign in the chatmember list, the path and plane state should be
+            provided by airscout </bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            make chatlines copyable to the clipboard...</bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            adding an activity detection for sensing if another chatmembers alive-state</bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>On sql error close the connection to make a clean exit</bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>SETNAME /MYQRG in options menu doesnt work</bugdescription>
+            <state>solved</state>
+        </bug>
+        <bug>
+            <bugdescription>Disconnect button does not work (DL5ZK)</bugdescription>
+            <state>solved</state>
+        </bug>
+        <bug>
+            <bugdescription>Password-wrong error not displayed (DO5SA)</bugdescription>
+            <state>solved</state>
+        </bug>
+        <bug>
+            <bugdescription>/CQ isnt written on own PMs</bugdescription>
+            <state>solved</state>
+        </bug>
+        <bug>
+            <bugdescription>rightclick-textsnippets arent available in cq-table</bugdescription>
+            <state>solved</state>
+        </bug>
+    </bugsReported>
+    <changeLog>
+        <changedVersionNumber>1.411</changedVersionNumber>
+        <date>2026-07-08</date>
+        <description>Release v1.41.1</description>
+        <added></added>
+        <changed>Hotfix of Bug #56</changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.41</changedVersionNumber>
+        <date>2026-07-01</date>
+        <description>Release v1.41.0</description>
+        <added>- Score of Top-Priority Candidates in the user section
+- Broadcast Messages (To ALL Station in Contest) in seperate Window</added>
+        <changed>Migration to Github
+- Band and Frequency Detection per Chatmember — KST4Contest identifies which bands or frequencies a station appears active or reachable on based on chat data. This information is integrated into the display and prioritization.
+- Band Alert — If a logged station could be of interest on other locally active bands, KST14Contest can alert the user.
+- Sked Reminder ALERT — New reminder function for planned Skeds to ensure that agreed contacts are not forgotten during contest operation.
+- Skedfail Button — Failed Skeds can be marked; this allows the station to be handled differently in terms of score and workflow.
+- Win-Test SKED Push via UDP — Skeds can be passed to Win-Test via a LOCKSKED/ADDSKED/UNLOCKSKED sequence. This feature is configurable in the preferences and disabled by default.
+- Win-Test Broadcast Defaults and SKed Workflow — Improved broadcast addresses, frequency formats, mode selection, and notes including locator/azimuth.
+- PSTRotator Interface — KST4Contest received an interface to PSTRoter to better integrate antenna direction and rotator workflow.
+- QSO /-Callsign Sniffer — Callsigns or QSO-relevant information can be detected and utilized for further workflow.
+- Chat History at Startup — Historical chat data can be loaded upon startup, allowing the client to quickly gain relevant context for scoring, activity, and station identification.
+- Station Map / Map View — New map view with station markers, your own location, locator/Maidenhead reference, connection line, and antenna/beam representation.
+- Local Leaflet /-TileProxy Backend — The map function utilizes embedded Leaflet resources and a local TileProxy approach, making the map more portable and independent.
+- Maidenhead /-Grid Overlay — The map can display locator/grid information; recently added Grid-Square coloring.
+- Path /-Terrain /-Horizon Profile — Map documentation describes a path profile with terrain, Fresnel, and horizon information for the selected link.
+- Tropo /-AS Reachability Filters — New filters and sorting were added for Tropospheric reachability, AirScoop availability, large locator fields, and priority.
+- Reachability Band Selector — Added a band selection for range/Troposphere calculations.
+- 4-Char Locator Filter — Locator evaluations can be reduced to 4-character fields; this improves overview and performance.
+- KST Testserver Support — A KST server test server was added into the Source.
+@praktimarc and @Rsclub22</changed>
+        <fixed>- [BUG]
+- [BUG] Programmstart kann ohne selektieren keine Nachrichten senden
+- KST4Contest crashes after to many messages or to much RAM Usage
+- Scaling Problem at 1280x800 screen resolution</fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.40</changedVersionNumber>
+        <date>2026-02-16</date>
+        <description>Much changes and fixes</description>
+        <added>
+- win-test support (not deactivable yet, beta)
+- QSO sniffer which filters changable callsigns lists messages to your pm window
+- Chatmember Score system. Each chatmember gets a score depending to antenna direction, activity time,
+  activity msgcount, positive signals, active bands, active frequencies, his sked direction (degrees),
+  self handed rate, sked-made-rate and some others
+- Chatmember Band and frequency recognition: now we list all active bands of each other chatmember
+- Band alert for logged stations
+- Sked reminder ALERT with automatic messages in 2+1 / 5+2+1 / 10+5+2+1 minutes
+- PSTRotator interface
+- AirPlane Timeline
+- Skedfail button in furtherinfo panel
+- Wintest logsynch interface can now be activated and deactivated in the preferences
+- load chat history on startup
+        </added>
+        <changed>
+- added save option: ServerDNS / Port
+- added save option: activate/deactivate pstRotator interface
+- added save option: activate/deactivate wintest interface
+- added save option: callsign sniffer
+- added save option: boolean GUI_darkModeActiveByDefault = false
+- added AP notes at the internal DX cluster spots
+- Generic Autoanswer fires maximum once in 45 seconds per rx callsign
+        </changed>
+        <fixed>
+- Userlist sort automatically on new member signon
+- Posonpill-messages now kills only exactly one Client instance (bugreport 9A2HM)
+- Crash of wtkst by disconnection of kst4Contest
+- wtKST crashes when kst4contest is running (many reporters)
+- wintest: logged per band excludes pre worked band (bugreport SM6VTZ)
+- PSTRotator SOCKET Close on DISCONNECT BUTTON works now
+- AirScout Map had not been updated (bugreport SM0RJV)
+- QTFDefault had been not saved correctly (bugreport SM0RJV)
+- Show path in AS button worked only with fixed server Strings (bugreport 9A2HM)
+- Version number had been displayed wrong
+- suffixes like /p, -2, etc. problem now fixed everywhere
+- Dark mode: passing for qrg fields fix
+        </fixed>
+        <removed>
+- No more date display. Not needed. Saving space, only time is important
+        </removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.31</changedVersionNumber>
+        <date>2025-12-13</date>
+        <description>Much changes and a hotfix</description>
+        <added>
+- win-test support (not deactivable yet, beta)
+- pstRotator support (not deactivable yet, beta)
+- airScout fix (calculations depends to cpu load now)
+- QSO sniffer
+        </added>
+        <changed>
+- DNS from www.on4kst.info to www.on4kst.org (hotfix, now configurable in preferences)
+        </changed>
+        <fixed>
+- Endless loop in error case lets freeze the client
+- PSTRotator SOCKET Close on DISCONNECT BUTTON
+- Dark mode: passing for qrg fields fix
+        </fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.266</changedVersionNumber>
+        <date>2025-10-03</date>
+        <description>Airscout interface did not work with multi-signons</description>
+        <added>nothing</added>
+        <changed>nothing</changed>
+        <fixed>
+Fixed by using raw callsign (without -2 suffix etc.) when communicating with AirScout.
+Thank you very much for testing this, Kreso 9A2HM!
+        </fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.265</changedVersionNumber>
+        <date>2025-09-28</date>
+        <description>Direction buttons stay now colored, if activated</description>
+        <added>nothing</added>
+        <changed>nothing</changed>
+        <fixed>The buttons stay now colored, if activated</fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.264</changedVersionNumber>
+        <date>2025-08-02</date>
+        <description>Changed the callsign recognition pattern for Simplelogfile</description>
+        <added>nothing</added>
+        <changed>nothing</changed>
+        <fixed>
+Callsigns like S53CC, S51A etc. are now correctly marked as worked in SimpleLogFile.txt.
+(bugreport Boris, S53CC)
+        </fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.263</changedVersionNumber>
+        <date>2025-06-08</date>
+        <description>Airscout communication and Loginname</description>
+        <added>nothing</added>
+        <changed>
+Only entries with QRB lower than max-QRB are sent to AirScout in 60s intervals (was 12s for all).
+        </changed>
+        <fixed>
+- AS communication message count hugely reduced
+- Name in chat is now saveable
+- Fixed AS client name (was hard-wired to "KST")
+73 / DO5AMF
+        </fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.262</changedVersionNumber>
+        <date>2025-05-21</date>
+        <description>Freezes caused by getting messages before user login should be fixed now</description>
+        <added>nothing</added>
+        <changed>nothing</changed>
+        <fixed>
+ON4KST delivers messages of stations not yet logged in. That caused a freeze at the message
+processing engine which is now fixed.
+        </fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.26</changedVersionNumber>
+        <date>2025-05</date>
+        <description>Login to multiple Channels via single signon / spend some colors</description>
+        <added>
+1. UI: Dark mode. Switch in "Window -> use dark mode"
+2. Usage of two Chatcategories at the same time
+3. opposite station multi-callsign login-tagging
+73 / DO5AMF
+        </added>
+        <changed>
+- Coloring mechanic of the software. Modify colors via css by yourself...
+        </changed>
+        <fixed>
+- Station tagging fixed completely
+        </fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.251</changedVersionNumber>
+        <date>2025-02</date>
+        <description>BUGFIX of 1.25, tnx Steve Clements!</description>
+        <added>
+- Steve spotted a problem in udp broadcast spot info reading, its now fixed!
+73 / DO5AMF
+        </added>
+        <changed></changed>
+        <fixed>- Station tagging</fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.25</changedVersionNumber>
+        <date>2025-02</date>
+        <description>Wishlist-time</description>
+        <added>
+- New configuration Tab: Messagehandling (auto-answering, CQ qrg auto-answer)
+- Coloured lines: new pm rows appear in red, fade rainbow-like to white over 30s (tnx Gianluca)
+73 / DO5AMF
+        </added>
+        <changed></changed>
+        <fixed>
+- Users with suffixes like "-2 and -70" are now correctly marked as worked
+        </fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.24</changedVersionNumber>
+        <date>2024-11</date>
+        <description>Wishlist-time</description>
+        <added>
+- Button to show qrz.com profile of a selected station
+- Button to show qrzcq.com profile of a selected station
+        </added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.23</changedVersionNumber>
+        <date>2024-10</date>
+        <description>DXCluster Server is now implemented</description>
+        <added>
+- DXCluster Server (tnx OMAAO): KST4Contest now provides a DXCluster server to feed
+  your log client with station-reachable warnings.
+        </added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.22</changedVersionNumber>
+        <date>2024-05</date>
+        <description>Increase usability, fixed AS button</description>
+        <added>- Variables (tnx OMAAO): MYLOCATORSHORT, MYQRGSHORT, QRZNAME</added>
+        <changed>- Sendtext-field focus on callsign click</changed>
+        <fixed>
+- Worked-station-filter (tnx Gianluca): filter is now live
+- Chatters list sorting by QRB (tnx Alessandro): fixed to numeric sort
+- Airscout showpath button now maximizes AS and shows the path
+        </fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.21</changedVersionNumber>
+        <date>2024-04</date>
+        <description>Increase usability</description>
+        <added></added>
+        <changed>
+- Window sizes and divider positions are now stored and restored on next startup
+- Filters section is now a flowpane for lower resolutions
+        </changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.2</changedVersionNumber>
+        <date>2024-04</date>
+        <description>Increase usability</description>
+        <added>
+- Selectable bands
+- Unworkable tags for each callsign per band
+- QTF-Arrow on the "show path in AS" button
+        </added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.1</changedVersionNumber>
+        <date>2024-03</date>
+        <description>Increased workflow</description>
+        <added>
+- Reachable warning function
+- Variables FIRSTAP and SECONDAP for predefined texts
+- Marking new connected stations (bold) and away-state (brackets)
+- Activity-timer since last message of a chatter
+        </added>
+        <changed>- QRB/QTF info in pm-window</changed>
+        <fixed>
+- Behaviour of messagefilter-radiobutton corrected (tnx Gian)
+- Error sending macros on selected stations in pm window (tnx Gian)
+        </fixed>
+        <removed>- boot sound</removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>1.0</changedVersionNumber>
+        <date>2024-02</date>
+        <description>First stable release</description>
+        <added>
+- audio notification support
+- update-available warning
+- changelog displaying
+- known-bugs displaying
+- message filters for selected station
+- stationlist-filters (show by qtf / textstring, hide by qrb, qtf, workedstate)
+- 10 macros (textsnippets available by hitting strg+numberkey)
+        </added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>0.9</changedVersionNumber>
+        <date>2024-02</date>
+        <description>Now the chat is disconnectable without closing it</description>
+        <added></added>
+        <changed></changed>
+        <fixed>disconnect-button, Textsnippets in CQ Window, "/CQ" at click on own sendtexts,
+setname "qrg" works now</fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>0.8</changedVersionNumber>
+        <date>2023-10</date>
+        <description>savesettings function and disconnect function added. MYCALL-Highlighting fixed</description>
+        <added>savesettings function, disconnect function</added>
+        <changed></changed>
+        <fixed>MYCALL-Highlighting</fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>0.7</changedVersionNumber>
+        <date>2023-07</date>
+        <description>Internal database for worked stations, shortcut and textsnippet editor</description>
+        <added>database, shortcut-editor, textsnipped-editor</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>0.6</changedVersionNumber>
+        <date>2023-07</date>
+        <description>Added periodically sent beacon function</description>
+        <added>beacon to public channel</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>0.5</changedVersionNumber>
+        <date>2023-02</date>
+        <description>Airscout interface, UDP interfaces for worked-station data and TRX info, shortcuts</description>
+        <added>Airscout-interface, packetreceiver for ucxlog, n1mm, qartest</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>0.4</changedVersionNumber>
+        <date>2022-12</date>
+        <description>Worked info by logfile via universal pattern matching logfile interpreter</description>
+        <added>simple-logfile</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>0.3</changedVersionNumber>
+        <date>2022-10</date>
+        <description>Added a GUI, chat was text based only</description>
+        <added>Graphical user interface</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>0.2</changedVersionNumber>
+        <date>2022-10</date>
+        <description>Pattern matching system for frequency information, frequency collection per chatmember</description>
+        <added>frequency-extraction for every callsign</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>0.15</changedVersionNumber>
+        <date>2022-09</date>
+        <description>Researched the Chatprotocol and developed the base communication with the chatserver</description>
+        <added></added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+<changeLog>
+        <changedVersionNumber>0.1</changedVersionNumber>
+        <date>2022-09</date>
+        <description>Primary architecture of the chat, message bus system for handling the message queues</description>
+        <added></added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+</praktiKST>

website/_site/legal-notice/index.html

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website/_site/manual/de/changelog/index.html

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website/_site/manual/de/funktionen/index.html

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website/_site/manual/de/home/index.html

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website/_site/manual/de/index.html

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website/_site/manual/de/installation/index.html

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website/_site/manual/de/konfiguration/index.html

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website/_site/manual/de/log-synchronisation/index.html

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+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/manual/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest Manual">
   <meta name="twitter:description" content="Online manual for KST4Contest, the contest-optimized ON4KST chat client.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/news/2026-07-08-hotfix-version-1-41-1/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Hotfix Version 1.41.1">
   <meta name="twitter:description" content="Contest-optimized ON4KST chat client for VHF, UHF and SHF ham radio contests.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/news/2026-07-website-launch/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest Website Launch">
   <meta name="twitter:description" content="Contest-optimized ON4KST chat client for VHF, UHF and SHF ham radio contests.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/news/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest News">
   <meta name="twitter:description" content="News, release updates and development notes for KST4Contest.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/privacy/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Privacy Policy | KST4Contest">
   <meta name="twitter:description" content="Privacy policy for the KST4Contest website.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/roadmap/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest Roadmap">
   <meta name="twitter:description" content="Planned enhancements for upcoming KST4Contest versions, generated from GitHub milestones and issues.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
@@ -89,8 +89,8 @@
             <a href="https://github.com/praktimarc/kst4contest/issues/52">[FEATURE] center horizontal slider</a>
           </li>
         
-          <li>
-            <a href="https://github.com/praktimarc/kst4contest/issues/49">[FEATURE] QTF degree, manual change</a>
+          <li class="roadmap-done">
+            <a href="https://github.com/praktimarc/kst4contest/issues/49">[FEATURE] QTF degree, manual change</a> ✓
           </li>
         
           <li class="roadmap-done">
@@ -148,6 +148,10 @@
       
       <ul>
         
+          <li>
+            <a href="https://github.com/praktimarc/kst4contest/issues/59">[FEATURE] window control</a>
+          </li>
+        
           <li>
             <a href="https://github.com/praktimarc/kst4contest/issues/55">[FEATURE] Reset-Button for the map</a>
           </li>

website/_site/screenshots/index.html

@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest Screenshots">
   <meta name="twitter:description" content="Screenshots of KST4Contest, the contest-optimized ON4KST chat client for VHF, UHF and SHF operators.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783552468141">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783632276803">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">

website/_site/sitemap.xml

@@ -10,90 +10,90 @@
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/about/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/contact/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/download/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/faq/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/features/airscout/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/features/dual-chat/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/features/dx-cluster/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/features/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/features/log-sync/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/features/macros/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/features/priority-score/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/features/sked-reminder/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/features/timeline/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/legal-notice/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/manual/de/airscout-integration/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/manual/de/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/manual/en/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/manual/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/privacy/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/roadmap/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
   <url>
     <loc>https://kst4contest.hamradioonline.de/screenshots/</loc>
-    <lastmod>2026-07-08</lastmod>
+    <lastmod>2026-07-09</lastmod>
   </url>
 </urlset>

website/src/_data/navigation.js

@@ -6,5 +6,7 @@ module.exports = [
     { title: "News", url: "/news/" },
     { title: "Roadmap", url: "/roadmap/" },
     { title: "About", url: "/about/" },
-    { title: "FAQ", url: "/faq/" }
+    { title: "FAQ", url: "/faq/" },
+    { title: "Support", url: "/support/"
+    }
 ];

website/src/_data/version-history.xml

@@ -0,0 +1,382 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Historical changelog entries for releases not published as GitHub Releases.
+     The CI pipeline prepends new entries from GitHub Releases on top of these. -->
+<history>
+    <changeLog>
+        <changedVersionNumber>1.41</changedVersionNumber>
+        <date>2026-07-01</date>
+        <description>Map view and path calculations</description>
+        <added>
+Band and Frequency Detection per Chatmember, Band alert, Win-Test SKED Push via UDP,
+Win-Test Broadcast Defaults and SKed Workflow, Chat History at Startup, Station Map / Map View
+Local Leaflet /-TileProxy Backend, Maidenhead /-Grid Overlay, Path calculation, path profile,
+Reachability filters, NAC filters (grid sqaure marking)
+        </added>
+        <changed>
+button housing, it works now on smaller screens / plus: detecting maximum screen size
+        </changed>
+        <fixed>
+9A2HM reported that 23cm qsos with N1MM are not marked correctly, ist fixed
+        </fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.40</changedVersionNumber>
+        <date>2026-02-16</date>
+        <description>Much changes and fixes</description>
+        <added>
+- win-test support (not deactivable yet, beta)
+- QSO sniffer which filters changable callsigns lists messages to your pm window
+- Chatmember Score system. Each chatmember gets a score depending to antenna direction, activity time,
+  activity msgcount, positive signals, active bands, active frequencies, his sked direction (degrees),
+  self handed rate, sked-made-rate and some others
+- Chatmember Band and frequency recognition: now we list all active bands of each other chatmember
+- Band alert for logged stations
+- Sked reminder ALERT with automatic messages in 2+1 / 5+2+1 / 10+5+2+1 minutes
+- PSTRotator interface
+- AirPlane Timeline
+- Skedfail button in furtherinfo panel
+- Wintest logsynch interface can now be activated and deactivated in the preferences
+- load chat history on startup
+        </added>
+        <changed>
+- added save option: ServerDNS / Port
+- added save option: activate/deactivate pstRotator interface
+- added save option: activate/deactivate wintest interface
+- added save option: callsign sniffer
+- added save option: boolean GUI_darkModeActiveByDefault = false
+- added AP notes at the internal DX cluster spots
+- Generic Autoanswer fires maximum once in 45 seconds per rx callsign
+        </changed>
+        <fixed>
+- Userlist sort automatically on new member signon
+- Posonpill-messages now kills only exactly one Client instance (bugreport 9A2HM)
+- Crash of wtkst by disconnection of kst4Contest
+- wtKST crashes when kst4contest is running (many reporters)
+- wintest: logged per band excludes pre worked band (bugreport SM6VTZ)
+- PSTRotator SOCKET Close on DISCONNECT BUTTON works now
+- AirScout Map had not been updated (bugreport SM0RJV)
+- QTFDefault had been not saved correctly (bugreport SM0RJV)
+- Show path in AS button worked only with fixed server Strings (bugreport 9A2HM)
+- Version number had been displayed wrong
+- suffixes like /p, -2, etc. problem now fixed everywhere
+- Dark mode: passing for qrg fields fix
+        </fixed>
+        <removed>
+- No more date display. Not needed. Saving space, only time is important
+        </removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.31</changedVersionNumber>
+        <date>2025-12-13</date>
+        <description>Much changes and a hotfix</description>
+        <added>
+- win-test support (not deactivable yet, beta)
+- pstRotator support (not deactivable yet, beta)
+- airScout fix (calculations depends to cpu load now)
+- QSO sniffer
+        </added>
+        <changed>
+- DNS from www.on4kst.info to www.on4kst.org (hotfix, now configurable in preferences)
+        </changed>
+        <fixed>
+- Endless loop in error case lets freeze the client
+- PSTRotator SOCKET Close on DISCONNECT BUTTON
+- Dark mode: passing for qrg fields fix
+        </fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.266</changedVersionNumber>
+        <date>2025-10-03</date>
+        <description>Airscout interface did not work with multi-signons</description>
+        <added>nothing</added>
+        <changed>nothing</changed>
+        <fixed>
+Fixed by using raw callsign (without -2 suffix etc.) when communicating with AirScout.
+Thank you very much for testing this, Kreso 9A2HM!
+        </fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.265</changedVersionNumber>
+        <date>2025-09-28</date>
+        <description>Direction buttons stay now colored, if activated</description>
+        <added>nothing</added>
+        <changed>nothing</changed>
+        <fixed>The buttons stay now colored, if activated</fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.264</changedVersionNumber>
+        <date>2025-08-02</date>
+        <description>Changed the callsign recognition pattern for Simplelogfile</description>
+        <added>nothing</added>
+        <changed>nothing</changed>
+        <fixed>
+Callsigns like S53CC, S51A etc. are now correctly marked as worked in SimpleLogFile.txt.
+(bugreport Boris, S53CC)
+        </fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.263</changedVersionNumber>
+        <date>2025-06-08</date>
+        <description>Airscout communication and Loginname</description>
+        <added>nothing</added>
+        <changed>
+Only entries with QRB lower than max-QRB are sent to AirScout in 60s intervals (was 12s for all).
+        </changed>
+        <fixed>
+- AS communication message count hugely reduced
+- Name in chat is now saveable
+- Fixed AS client name (was hard-wired to "KST")
+73 / DO5AMF
+        </fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.262</changedVersionNumber>
+        <date>2025-05-21</date>
+        <description>Freezes caused by getting messages before user login should be fixed now</description>
+        <added>nothing</added>
+        <changed>nothing</changed>
+        <fixed>
+ON4KST delivers messages of stations not yet logged in. That caused a freeze at the message
+processing engine which is now fixed.
+        </fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.26</changedVersionNumber>
+        <date>2025-05</date>
+        <description>Login to multiple Channels via single signon / spend some colors</description>
+        <added>
+1. UI: Dark mode. Switch in "Window -> use dark mode"
+2. Usage of two Chatcategories at the same time
+3. opposite station multi-callsign login-tagging
+73 / DO5AMF
+        </added>
+        <changed>
+- Coloring mechanic of the software. Modify colors via css by yourself...
+        </changed>
+        <fixed>
+- Station tagging fixed completely
+        </fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.251</changedVersionNumber>
+        <date>2025-02</date>
+        <description>BUGFIX of 1.25, tnx Steve Clements!</description>
+        <added>
+- Steve spotted a problem in udp broadcast spot info reading, its now fixed!
+73 / DO5AMF
+        </added>
+        <changed></changed>
+        <fixed>- Station tagging</fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.25</changedVersionNumber>
+        <date>2025-02</date>
+        <description>Wishlist-time</description>
+        <added>
+- New configuration Tab: Messagehandling (auto-answering, CQ qrg auto-answer)
+- Coloured lines: new pm rows appear in red, fade rainbow-like to white over 30s (tnx Gianluca)
+73 / DO5AMF
+        </added>
+        <changed></changed>
+        <fixed>
+- Users with suffixes like "-2 and -70" are now correctly marked as worked
+        </fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.24</changedVersionNumber>
+        <date>2024-11</date>
+        <description>Wishlist-time</description>
+        <added>
+- Button to show qrz.com profile of a selected station
+- Button to show qrzcq.com profile of a selected station
+        </added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.23</changedVersionNumber>
+        <date>2024-10</date>
+        <description>DXCluster Server is now implemented</description>
+        <added>
+- DXCluster Server (tnx OMAAO): KST4Contest now provides a DXCluster server to feed
+  your log client with station-reachable warnings.
+        </added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.22</changedVersionNumber>
+        <date>2024-05</date>
+        <description>Increase usability, fixed AS button</description>
+        <added>- Variables (tnx OMAAO): MYLOCATORSHORT, MYQRGSHORT, QRZNAME</added>
+        <changed>- Sendtext-field focus on callsign click</changed>
+        <fixed>
+- Worked-station-filter (tnx Gianluca): filter is now live
+- Chatters list sorting by QRB (tnx Alessandro): fixed to numeric sort
+- Airscout showpath button now maximizes AS and shows the path
+        </fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.21</changedVersionNumber>
+        <date>2024-04</date>
+        <description>Increase usability</description>
+        <added></added>
+        <changed>
+- Window sizes and divider positions are now stored and restored on next startup
+- Filters section is now a flowpane for lower resolutions
+        </changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.2</changedVersionNumber>
+        <date>2024-04</date>
+        <description>Increase usability</description>
+        <added>
+- Selectable bands
+- Unworkable tags for each callsign per band
+- QTF-Arrow on the "show path in AS" button
+        </added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.1</changedVersionNumber>
+        <date>2024-03</date>
+        <description>Increased workflow</description>
+        <added>
+- Reachable warning function
+- Variables FIRSTAP and SECONDAP for predefined texts
+- Marking new connected stations (bold) and away-state (brackets)
+- Activity-timer since last message of a chatter
+        </added>
+        <changed>- QRB/QTF info in pm-window</changed>
+        <fixed>
+- Behaviour of messagefilter-radiobutton corrected (tnx Gian)
+- Error sending macros on selected stations in pm window (tnx Gian)
+        </fixed>
+        <removed>- boot sound</removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>1.0</changedVersionNumber>
+        <date>2024-02</date>
+        <description>First stable release</description>
+        <added>
+- audio notification support
+- update-available warning
+- changelog displaying
+- known-bugs displaying
+- message filters for selected station
+- stationlist-filters (show by qtf / textstring, hide by qrb, qtf, workedstate)
+- 10 macros (textsnippets available by hitting strg+numberkey)
+        </added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>0.9</changedVersionNumber>
+        <date>2024-02</date>
+        <description>Now the chat is disconnectable without closing it</description>
+        <added></added>
+        <changed></changed>
+        <fixed>disconnect-button, Textsnippets in CQ Window, "/CQ" at click on own sendtexts,
+setname "qrg" works now</fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>0.8</changedVersionNumber>
+        <date>2023-10</date>
+        <description>savesettings function and disconnect function added. MYCALL-Highlighting fixed</description>
+        <added>savesettings function, disconnect function</added>
+        <changed></changed>
+        <fixed>MYCALL-Highlighting</fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>0.7</changedVersionNumber>
+        <date>2023-07</date>
+        <description>Internal database for worked stations, shortcut and textsnippet editor</description>
+        <added>database, shortcut-editor, textsnipped-editor</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>0.6</changedVersionNumber>
+        <date>2023-07</date>
+        <description>Added periodically sent beacon function</description>
+        <added>beacon to public channel</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>0.5</changedVersionNumber>
+        <date>2023-02</date>
+        <description>Airscout interface, UDP interfaces for worked-station data and TRX info, shortcuts</description>
+        <added>Airscout-interface, packetreceiver for ucxlog, n1mm, qartest</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>0.4</changedVersionNumber>
+        <date>2022-12</date>
+        <description>Worked info by logfile via universal pattern matching logfile interpreter</description>
+        <added>simple-logfile</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>0.3</changedVersionNumber>
+        <date>2022-10</date>
+        <description>Added a GUI, chat was text based only</description>
+        <added>Graphical user interface</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>0.2</changedVersionNumber>
+        <date>2022-10</date>
+        <description>Pattern matching system for frequency information, frequency collection per chatmember</description>
+        <added>frequency-extraction for every callsign</added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>0.15</changedVersionNumber>
+        <date>2022-09</date>
+        <description>Researched the Chatprotocol and developed the base communication with the chatserver</description>
+        <added></added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+    <changeLog>
+        <changedVersionNumber>0.1</changedVersionNumber>
+        <date>2022-09</date>
+        <description>Primary architecture of the chat, message bus system for handling the message queues</description>
+        <added></added>
+        <changed></changed>
+        <fixed></fixed>
+        <removed></removed>
+    </changeLog>
+</history>

website/src/_data/version-legacy-sections.xml

@@ -0,0 +1,131 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Static roadmap/bugsReported sections carried over from the previously
+     hand-maintained kst4ContestVersionInfo.xml on do5amf.funkerportal.de.
+     UpdateChecker.java does not parse these today; kept for parity/history. -->
+<legacy>
+    <roadmap>
+        <featurerequest>
+            <featureDescription>Cyclic update of own name in chat to actual QRG</featureDescription>
+            <requestDate>2024-02</requestDate>
+            <state>open</state>
+        </featurerequest>
+        <featurerequest>
+            <featureDescription>Acoustic warnings</featureDescription>
+            <requestDate>2023-12</requestDate>
+            <state>added</state>
+        </featurerequest>
+        <featurerequest>
+            <featureDescription>Airscout support</featureDescription>
+            <requestDate>2023-03</requestDate>
+            <state>added</state>
+        </featurerequest>
+        <featurerequest>
+            <featureDescription>cyclic beacon messages in public chat</featureDescription>
+            <requestDate>2023-03</requestDate>
+            <state>added</state>
+        </featurerequest>
+    </roadmap>
+    <bugsReported>
+        <bug>
+            <bugdescription>
+stations like ol7c-7 and ol7c-2 will not be marked as worked if only "ol7c"
+is in the log. Need to interprete that. May ignore suffix starting with "-"</bugdescription>
+            <state>solved</state>
+        </bug>
+        <bug>
+            <bugdescription>
+worked callsigns table is updated only once after connected to chat
+Should be available directly after program started.
+But Reset works all time</bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request: language-specific strings, maybe based to an xml file
+            </bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request: Macros
+            </bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            Automatic elimination of calls already connected from the log
+            </bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            Limitation of users beyond a certain QRB
+            </bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            User division for QTF perhaps settable based on the antenna lobe
+            </bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            Notification of new incoming users</bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            Evidence of a call which was written but not responded to.
+            </bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            direction based reachable-warnings:
+            if the chatclient detects a realised qso between two stations which both must have
+            directed their beams to my station, there should be an instant warning to me for
+            working at least one of the stations at the detected qrg</bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            implement ASShowpath message to airacout;
+            by doubleclicking a callsign in the chatmember list, the path and plane state should be
+            provided by airscout </bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            make chatlines copyable to the clipboard...</bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>feature request:
+            adding an activity detection for sensing if another chatmembers alive-state</bugdescription>
+            <state>added</state>
+        </bug>
+        <bug>
+            <bugdescription>On sql error close the connection to make a clean exit</bugdescription>
+            <state>open</state>
+        </bug>
+        <bug>
+            <bugdescription>SETNAME /MYQRG in options menu doesnt work</bugdescription>
+            <state>solved</state>
+        </bug>
+        <bug>
+            <bugdescription>Disconnect button does not work (DL5ZK)</bugdescription>
+            <state>solved</state>
+        </bug>
+        <bug>
+            <bugdescription>Password-wrong error not displayed (DO5SA)</bugdescription>
+            <state>solved</state>
+        </bug>
+        <bug>
+            <bugdescription>/CQ isnt written on own PMs</bugdescription>
+            <state>solved</state>
+        </bug>
+        <bug>
+            <bugdescription>rightclick-textsnippets arent available in cq-table</bugdescription>
+            <state>solved</state>
+        </bug>
+    </bugsReported>
+</legacy>

website/src/_data/versionInfo.js

@@ -0,0 +1,183 @@
+const fs = require("fs");
+const path = require("path");
+
+const REPO = "praktimarc/kst4contest";
+const API = `https://api.github.com/repos/${REPO}`;
+const LABEL_MAP = { enhancement: "added", bug: "fixed" };
+
+async function githubGet(urlPath) {
+    const headers = { Accept: "application/vnd.github+json" };
+    if (process.env.GITHUB_TOKEN) {
+        headers.Authorization = `Bearer ${process.env.GITHUB_TOKEN}`;
+    }
+    const res = await fetch(`${API}${urlPath}`, { headers });
+    if (!res.ok) {
+        throw new Error(`GitHub API ${urlPath} failed: ${res.status}`);
+    }
+    return res.json();
+}
+
+// UpdateChecker.java parses <versionNumber> with Double.parseDouble() and
+// compares it against ApplicationConstants.APPLICATION_CURRENTVERSIONNUMBER,
+// which encodes patch releases by appending the patch digit(s) instead of a
+// third dot (e.g. tag v1.41.1 -> app version 1.411, v1.41.0 -> 1.41). See
+// commit 38ef50c ("...set to 1.41.1 for upcoming hotfix" -> 1.411).
+function toAppVersionNumber(tag) {
+    const cleaned = tag.replace(/^v/, "");
+    const [major, minor, ...rest] = cleaned.split(".");
+    if (rest.length === 0) return cleaned;
+    const patch = rest.join("");
+    return /^0*$/.test(patch) ? `${major}.${minor}` : `${major}.${minor}${patch}`;
+}
+
+function escapeXml(value) {
+    return String(value ?? "")
+        .replace(/&/g, "&amp;")
+        .replace(/</g, "&lt;")
+        .replace(/>/g, "&gt;");
+}
+
+// Strips GitHub's auto-generated release-notes markdown noise (headings,
+// "Full Changelog" links, PR author attributions) down to plain text.
+function cleanReleaseBody(body) {
+    const lines = [];
+    for (let line of (body || "").split("\n")) {
+        if (/^#{1,3}\s/.test(line)) continue;
+        if (line.trim().startsWith("**Full Changelog**")) continue;
+        line = line.replace(/\s+by @\S+ in https:\/\/\S+/, "");
+        line = line.replace(/^\* /, "- ");
+        if (line.trim()) lines.push(line);
+    }
+    return lines.join("\n").replace(/\n{3,}/g, "\n\n").trim();
+}
+
+// Groups closed issues (excluding PRs) in the (since, until] window by
+// label into "added" (enhancement) / "fixed" (bug) bullet lists.
+async function getIssuesForRelease(since, until) {
+    const buckets = { added: [], fixed: [] };
+    let page = 1;
+    for (;;) {
+        const items = await githubGet(`/issues?state=closed&per_page=100&page=${page}`);
+        if (!items.length) break;
+        for (const issue of items) {
+            if (issue.pull_request) continue;
+            const closed = issue.closed_at || "";
+            if (!(closed > since && closed <= until)) continue;
+            const labels = issue.labels.map((l) => l.name);
+            const bucket = Object.keys(LABEL_MAP).find((l) => labels.includes(l));
+            if (bucket) buckets[LABEL_MAP[bucket]].push(`- ${issue.title}`);
+        }
+        if (items.length < 100) break;
+        page++;
+    }
+    return { added: buckets.added.join("\n"), fixed: buckets.fixed.join("\n") };
+}
+
+// version-history.xml holds hand-written <changeLog> entries for releases
+// published before GitHub Releases existed; re-emitted verbatim here.
+function loadHistoryEntries() {
+    const historyPath = path.join(__dirname, "version-history.xml");
+    const xml = fs.readFileSync(historyPath, "utf-8");
+    return [...xml.matchAll(/<changeLog>[\s\S]*?<\/changeLog>/g)].map((m) => m[0]);
+}
+
+function historyEntryVersion(entryXml) {
+    const m = entryXml.match(/<changedVersionNumber>([\s\S]*?)<\/changedVersionNumber>/);
+    return m ? m[1].trim() : null;
+}
+
+// Static <roadmap>/<bugsReported> sections carried over from the previous
+// hand-maintained XML on do5amf.funkerportal.de. UpdateChecker.java doesn't
+// parse these, kept only so the migration doesn't drop existing content.
+function loadLegacySections() {
+    const legacyPath = path.join(__dirname, "version-legacy-sections.xml");
+    const xml = fs.readFileSync(legacyPath, "utf-8");
+    const roadmap = xml.match(/<roadmap>[\s\S]*?<\/roadmap>/);
+    const bugsReported = xml.match(/<bugsReported>[\s\S]*?<\/bugsReported>/);
+    return [roadmap ? roadmap[0] : null, bugsReported ? bugsReported[0] : null].filter(Boolean);
+}
+
+// Builds kst4ContestVersionInfo.xml (the update-checker feed read by
+// UpdateChecker.java) from GitHub releases + closed issues, falling back to
+// version-history.xml for releases that predate GitHub Releases.
+module.exports = async function () {
+    const fallback = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>\n<praktiKST></praktiKST>';
+
+    try {
+        const historyEntries = loadHistoryEntries();
+
+        const rawReleases = await githubGet("/releases?per_page=100");
+        const releases = rawReleases
+            .map((r) => ({
+                tagName: r.tag_name,
+                publishedAt: r.published_at || "",
+                name: r.name || r.tag_name,
+                body: r.body || "",
+                isPrerelease: r.prerelease
+            }))
+            .sort((a, b) => (a.publishedAt < b.publishedAt ? 1 : -1));
+
+        const stableReleases = releases.filter((r) => !r.isPrerelease);
+        const stable = stableReleases[0];
+        const ghVersions = new Set(stableReleases.map((r) => toAppVersionNumber(r.tagName)));
+
+        const parts = [];
+        parts.push('<?xml version="1.0" encoding="UTF-8" standalone="no"?>');
+        parts.push("<praktiKST>");
+
+        const latestTag = stable ? stable.tagName : null;
+        const winFilename = latestTag ? `praktiKST-${latestTag}-windows-x64.zip` : "";
+
+        parts.push("    <latestVersion>");
+        if (stable) {
+            const latestIssues = await getIssuesForRelease("1970-01-01T00:00:00Z", stable.publishedAt);
+            parts.push(`        <versionNumber>${escapeXml(toAppVersionNumber(latestTag))}</versionNumber>`);
+            parts.push("        <adminMessage></adminMessage>");
+            parts.push(`        <majorChanges>${escapeXml(latestIssues.added.slice(0, 300))}</majorChanges>`);
+            parts.push(
+                `        <latestVersionPathOnWebserver>https://github.com/${REPO}/releases/download/${latestTag}/${winFilename}</latestVersionPathOnWebserver>`
+            );
+        }
+        parts.push("    </latestVersion>");
+
+        // UpdateChecker.parseUpdateXMLFile() never actually reads this field
+        // (setNeedUpdateResourcesSinceLastVersion is never called); the
+        // previous server always hardcoded "nothing" here, so we match that.
+        parts.push("    <needUpdateSinceLastVersion>");
+        parts.push("        <filename>nothing</filename>");
+        parts.push("    </needUpdateSinceLastVersion>");
+
+        for (const section of loadLegacySections()) {
+            parts.push(section);
+        }
+
+        for (let i = 0; i < stableReleases.length; i++) {
+            const rel = stableReleases[i];
+            const until = rel.publishedAt;
+            const since = stableReleases[i + 1] ? stableReleases[i + 1].publishedAt : "1970-01-01T00:00:00Z";
+            const issues = await getIssuesForRelease(since, until);
+
+            parts.push("    <changeLog>");
+            parts.push(`        <changedVersionNumber>${escapeXml(toAppVersionNumber(rel.tagName))}</changedVersionNumber>`);
+            parts.push(`        <date>${escapeXml(until.slice(0, 10))}</date>`);
+            parts.push(`        <description>${escapeXml(rel.name)}</description>`);
+            parts.push(`        <added>${escapeXml(issues.added)}</added>`);
+            parts.push(`        <changed>${escapeXml(cleanReleaseBody(rel.body))}</changed>`);
+            parts.push(`        <fixed>${escapeXml(issues.fixed)}</fixed>`);
+            parts.push("        <removed></removed>");
+            parts.push("    </changeLog>");
+        }
+
+        for (const entry of historyEntries) {
+            const version = historyEntryVersion(entry);
+            if (version && ghVersions.has(version)) continue;
+            parts.push(entry);
+        }
+
+        parts.push("</praktiKST>");
+        return parts.join("\n");
+    } catch (err) {
+        console.warn(`[versionInfo] Could not generate version info XML, using empty fallback: ${err.message}`);
+        return fallback;
+    }
+};

website/src/_layouts/base.njk

@@ -71,6 +71,7 @@
         <p><a href="https://github.com/praktimarc/kst4contest">GitHub Repository</a></p>
         <p><a href="https://github.com/praktimarc/kst4contest/issues">Issues</a></p>
         <p><a href="/contact/">Contact</a></p>
+        <p><a href="/support/">❤️ Support KST4Contest</a></p>
       </div>
 
       <div>
@@ -80,5 +81,10 @@
       </div>
     </div>
   </footer>
+
+  {% if heroFx %}
+    <script src="/assets/js/hero-radio-fx.js?v={{ build.version }}" defer></script>
+  {% endif %}
+
 </body>
 </html>

website/src/about/index.njk

@@ -26,5 +26,20 @@ description: About KST4Contest and its contest-oriented ON4KST workflow.
       The project is open source and focused on practical contest station workflows.
       Features are designed around real operating pressure, not theoretical UI concepts.
     </p>
+
+    <h2>Community supported</h2>
+
+    <p>
+
+    KST4Contest is developed independently.
+
+    Community support helps finance hosting,
+    online services,
+    testing across multiple operating systems
+    and future contest-oriented features.
+
+    </p>
+
   </article>
+
 </section>

website/src/assets/css/main.css

@@ -7,10 +7,22 @@
     --text: #f8fafc;
     --muted: #aab6ca;
     --soft: #64748b;
-    --accent: #38bdf8;
-    --accent2: #a855f7;
-    --accent3: #22c55e;
+    /*--accent: #38bdf8;*/
+    /*--accent2: #a855f7;*/
+    /*--accent3: #22c55e;*/
     --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
+
+    --accent: #54d63d;
+    --accent2: #8aef64;
+    --accent3: #31b54a;
+
+    --fx-plane: #79ff73;
+    --fx-plane-muted: rgba(121, 255, 115, 0.42);
+    --fx-beam: #52ff65;
+    --fx-beam-glow: rgba(82, 255, 101, 0.28);
+    --fx-reflection: #d2ffc8;
+    --fx-trail: rgba(121, 255, 115, 0.17);
+    --fx-grid: rgba(121, 255, 115, 0.055);
 }
 
 * {
@@ -25,13 +37,39 @@ html {
 body {
     margin: 0;
     min-height: 100vh;
+
     background:
-            radial-gradient(circle at 14% 12%, rgba(168, 85, 247, 0.30), transparent 28%),
-            radial-gradient(circle at 82% 16%, rgba(56, 189, 248, 0.24), transparent 30%),
-            radial-gradient(circle at 50% 85%, rgba(34, 197, 94, 0.11), transparent 35%),
-            linear-gradient(180deg, #050816 0%, #07111f 100%);
+            radial-gradient(
+                    circle at 14% 12%,
+                    rgba(52, 165, 57, 0.20),
+                    transparent 30%
+            ),
+            radial-gradient(
+                    circle at 82% 16%,
+                    rgba(95, 218, 82, 0.14),
+                    transparent 32%
+            ),
+            radial-gradient(
+                    circle at 50% 85%,
+                    rgba(32, 126, 55, 0.12),
+                    transparent 36%
+            ),
+            linear-gradient(
+                    180deg,
+                    #070b09 0%,
+                    #0b1410 100%
+            );
+
     color: var(--text);
-    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
+    font-family:
+            Inter,
+            ui-sans-serif,
+            system-ui,
+            -apple-system,
+            BlinkMacSystemFont,
+            "Segoe UI",
+            sans-serif;
+
     line-height: 1.65;
     overflow-x: hidden;
 }
@@ -562,3 +600,155 @@ a:hover {
         grid-template-columns: 1fr;
     }
 }
+
+/*
+ * Interactive radio / aircraft-scatter hero layer
+ */
+
+.hero-radio-fx {
+    position: absolute;
+    inset: 0;
+    z-index: 0;
+    width: 100%;
+    height: 100%;
+    pointer-events: none;
+    opacity: 0.76;
+}
+
+.hero-fx-vignette {
+    position: absolute;
+    inset: 0;
+    z-index: 1;
+    pointer-events: none;
+
+    background:
+            linear-gradient(
+                    90deg,
+                    rgba(7, 11, 9, 0.92) 0%,
+                    rgba(7, 11, 9, 0.68) 34%,
+                    rgba(7, 11, 9, 0.16) 64%,
+                    rgba(7, 11, 9, 0.42) 100%
+            ),
+            linear-gradient(
+                    180deg,
+                    rgba(7, 11, 9, 0.10),
+                    rgba(7, 11, 9, 0.58)
+            );
+}
+
+.hero-split > *:not(.hero-radio-fx):not(.hero-fx-vignette) {
+    position: relative;
+    z-index: 2;
+}
+
+/*
+ * Operator-console badge styling
+ */
+
+.badge,
+.eyebrow {
+    color: #caffc0;
+    background: rgba(52, 165, 57, 0.12);
+    border-color: rgba(105, 232, 88, 0.32);
+    box-shadow: 0 0 22px rgba(82, 255, 101, 0.08);
+}
+
+/*
+ * Light-mode identity:
+ * white/grey UI with red contest accents
+ */
+
+html[data-theme="light"] {
+    --bg: #f4f4f2;
+    --bg2: #ffffff;
+    --panel: rgba(255, 255, 255, 0.88);
+    --panel2: rgba(242, 242, 239, 0.92);
+    --border: rgba(91, 91, 86, 0.20);
+    --text: #252522;
+    --muted: #656560;
+    --soft: #888881;
+
+    --accent: #d33732;
+    --accent2: #f25a51;
+    --accent3: #ae2727;
+
+    --fx-plane: #df3732;
+    --fx-plane-muted: rgba(211, 55, 50, 0.38);
+    --fx-beam: #ef4039;
+    --fx-beam-glow: rgba(239, 64, 57, 0.22);
+    --fx-reflection: #ff8d84;
+    --fx-trail: rgba(211, 55, 50, 0.15);
+    --fx-grid: rgba(185, 47, 43, 0.045);
+}
+
+html[data-theme="light"] body {
+    background:
+            radial-gradient(
+                    circle at 14% 12%,
+                    rgba(211, 55, 50, 0.12),
+                    transparent 30%
+            ),
+            radial-gradient(
+                    circle at 82% 16%,
+                    rgba(242, 90, 81, 0.09),
+                    transparent 32%
+            ),
+            linear-gradient(
+                    180deg,
+                    #ffffff 0%,
+                    #f0f0ed 100%
+            );
+}
+
+html[data-theme="light"] .hero-fx-vignette {
+    background:
+            linear-gradient(
+                    90deg,
+                    rgba(255, 255, 255, 0.95) 0%,
+                    rgba(255, 255, 255, 0.76) 34%,
+                    rgba(255, 255, 255, 0.18) 66%,
+                    rgba(255, 255, 255, 0.48) 100%
+            ),
+            linear-gradient(
+                    180deg,
+                    rgba(255, 255, 255, 0.06),
+                    rgba(240, 240, 237, 0.62)
+            );
+}
+
+html[data-theme="light"] .badge,
+html[data-theme="light"] .eyebrow {
+    color: #962a27;
+    background: rgba(211, 55, 50, 0.08);
+    border-color: rgba(211, 55, 50, 0.24);
+}
+
+@media (max-width: 900px) {
+    .hero-radio-fx {
+        opacity: 0.48;
+    }
+
+    .hero-fx-vignette {
+        background:
+                linear-gradient(
+                        180deg,
+                        rgba(7, 11, 9, 0.82),
+                        rgba(7, 11, 9, 0.34)
+                );
+    }
+
+    html[data-theme="light"] .hero-fx-vignette {
+        background:
+                linear-gradient(
+                        180deg,
+                        rgba(255, 255, 255, 0.90),
+                        rgba(255, 255, 255, 0.42)
+                );
+    }
+}
+
+@media (prefers-reduced-motion: reduce) {
+    .hero-radio-fx {
+        opacity: 0.28;
+    }
+}

website/src/assets/js/hero-radio-fx.js

@@ -0,0 +1,710 @@
+(() => {
+    "use strict";
+
+    const canvas = document.querySelector("[data-hero-radio-fx]");
+
+    if (!(canvas instanceof HTMLCanvasElement)) {
+        return;
+    }
+
+    const context = canvas.getContext("2d", {
+        alpha: true,
+        desynchronized: true
+    });
+
+    if (!context) {
+        return;
+    }
+
+    const hero = canvas.closest(".hero");
+
+    if (!(hero instanceof HTMLElement)) {
+        return;
+    }
+
+    const reducedMotion = window.matchMedia(
+        "(prefers-reduced-motion: reduce)"
+    );
+
+    const coarsePointer = window.matchMedia(
+        "(pointer: coarse)"
+    );
+
+    const state = {
+        width: 0,
+        height: 0,
+        dpr: 1,
+        running: false,
+        visible: true,
+        lastFrame: 0,
+        spawnAccumulator: 0,
+        beamAccumulator: 0,
+        animationFrameId: 0,
+        pointer: {
+            x: 0,
+            y: 0,
+            active: false
+        },
+        planes: [],
+        beams: [],
+        reflections: []
+    };
+
+    const clamp = (value, minimum, maximum) =>
+        Math.max(minimum, Math.min(maximum, value));
+
+    const randomBetween = (minimum, maximum) =>
+        minimum + Math.random() * (maximum - minimum);
+
+    function getCssColor(name, fallback) {
+        const value = getComputedStyle(document.documentElement)
+            .getPropertyValue(name)
+            .trim();
+
+        return value || fallback;
+    }
+
+    function getPalette() {
+        return {
+            plane: getCssColor("--fx-plane", "#79ff73"),
+            planeMuted: getCssColor("--fx-plane-muted", "rgba(121,255,115,.42)"),
+            beam: getCssColor("--fx-beam", "#52ff65"),
+            beamGlow: getCssColor("--fx-beam-glow", "rgba(82,255,101,.28)"),
+            reflection: getCssColor("--fx-reflection", "#c8ffbf"),
+            trail: getCssColor("--fx-trail", "rgba(121,255,115,.16)"),
+            grid: getCssColor("--fx-grid", "rgba(121,255,115,.055)")
+        };
+    }
+
+    function resizeCanvas() {
+        const bounds = hero.getBoundingClientRect();
+
+        state.width = Math.max(1, Math.round(bounds.width));
+        state.height = Math.max(1, Math.round(bounds.height));
+        state.dpr = Math.min(window.devicePixelRatio || 1, 1.5);
+
+        canvas.width = Math.round(state.width * state.dpr);
+        canvas.height = Math.round(state.height * state.dpr);
+
+        canvas.style.width = `${state.width}px`;
+        canvas.style.height = `${state.height}px`;
+
+        context.setTransform(
+            state.dpr,
+            0,
+            0,
+            state.dpr,
+            0,
+            0
+        );
+
+        if (!state.pointer.active) {
+            state.pointer.x = state.width * 0.54;
+            state.pointer.y = state.height * 0.42;
+        }
+    }
+
+    function getPlaneLimit() {
+        if (coarsePointer.matches) {
+            return 5;
+        }
+
+        if (state.width < 900) {
+            return 7;
+        }
+
+        return 12;
+    }
+
+    function createPlane() {
+        const margin = 55;
+        const edge = Math.floor(Math.random() * 4);
+
+        let x;
+        let y;
+
+        switch (edge) {
+            case 0:
+                x = randomBetween(0, state.width);
+                y = -margin;
+                break;
+
+            case 1:
+                x = state.width + margin;
+                y = randomBetween(0, state.height);
+                break;
+
+            case 2:
+                x = randomBetween(0, state.width);
+                y = state.height + margin;
+                break;
+
+            default:
+                x = -margin;
+                y = randomBetween(0, state.height);
+                break;
+        }
+
+        const targetX = state.pointer.active
+            ? state.pointer.x
+            : state.width * randomBetween(0.38, 0.72);
+
+        const targetY = state.pointer.active
+            ? state.pointer.y
+            : state.height * randomBetween(0.2, 0.72);
+
+        const angle = Math.atan2(targetY - y, targetX - x);
+        const speed = randomBetween(18, 34);
+
+        return {
+            x,
+            y,
+            previousX: x,
+            previousY: y,
+            velocityX: Math.cos(angle) * speed,
+            velocityY: Math.sin(angle) * speed,
+            angle,
+            size: randomBetween(5.5, 9),
+            age: 0,
+            maximumAge: randomBetween(12, 20),
+            steering: randomBetween(0.65, 1.2),
+            wobble: randomBetween(0, Math.PI * 2),
+            wobbleSpeed: randomBetween(0.7, 1.4),
+            hit: 0
+        };
+    }
+
+    function updatePlane(plane, deltaSeconds) {
+        plane.age += deltaSeconds;
+        plane.wobble += deltaSeconds * plane.wobbleSpeed;
+
+        plane.previousX = plane.x;
+        plane.previousY = plane.y;
+
+        const targetX = state.pointer.active
+            ? state.pointer.x
+            : state.width * 0.56;
+
+        const targetY = state.pointer.active
+            ? state.pointer.y
+            : state.height * 0.44;
+
+        const desiredAngle = Math.atan2(
+            targetY - plane.y,
+            targetX - plane.x
+        );
+
+        let angleDifference = desiredAngle - plane.angle;
+
+        while (angleDifference > Math.PI) {
+            angleDifference -= Math.PI * 2;
+        }
+
+        while (angleDifference < -Math.PI) {
+            angleDifference += Math.PI * 2;
+        }
+
+        plane.angle += angleDifference * plane.steering * deltaSeconds;
+
+        const speed = Math.hypot(
+            plane.velocityX,
+            plane.velocityY
+        );
+
+        const wobble = Math.sin(plane.wobble) * 0.14;
+
+        plane.velocityX =
+            Math.cos(plane.angle + wobble) * speed;
+
+        plane.velocityY =
+            Math.sin(plane.angle + wobble) * speed;
+
+        plane.x += plane.velocityX * deltaSeconds;
+        plane.y += plane.velocityY * deltaSeconds;
+
+        plane.hit = Math.max(0, plane.hit - deltaSeconds * 1.8);
+    }
+
+    function isPlaneExpired(plane) {
+        const margin = 180;
+
+        return (
+            plane.age > plane.maximumAge ||
+            plane.x < -margin ||
+            plane.x > state.width + margin ||
+            plane.y < -margin ||
+            plane.y > state.height + margin
+        );
+    }
+
+    function chooseBeamTarget() {
+        if (state.planes.length === 0) {
+            return null;
+        }
+
+        const targetX = state.pointer.active
+            ? state.pointer.x
+            : state.width * 0.56;
+
+        const targetY = state.pointer.active
+            ? state.pointer.y
+            : state.height * 0.44;
+
+        const candidates = state.planes
+            .map((plane) => ({
+                plane,
+                distance: Math.hypot(
+                    plane.x - targetX,
+                    plane.y - targetY
+                )
+            }))
+            .filter((entry) => entry.distance < 260)
+            .sort((a, b) => a.distance - b.distance);
+
+        if (candidates.length > 0) {
+            return candidates[0].plane;
+        }
+
+        return state.planes[
+            Math.floor(Math.random() * state.planes.length)
+            ];
+    }
+
+    function createBeam(target) {
+        const leftStation = {
+            x: state.width * 0.12,
+            y: state.height * 0.82
+        };
+
+        const rightStation = {
+            x: state.width * 0.88,
+            y: state.height * 0.78
+        };
+
+        const source =
+            Math.abs(target.x - leftStation.x) <
+            Math.abs(target.x - rightStation.x)
+                ? leftStation
+                : rightStation;
+
+        state.beams.push({
+            startX: source.x,
+            startY: source.y,
+            endX: target.x,
+            endY: target.y,
+            age: 0,
+            maximumAge: 0.62
+        });
+
+        target.hit = 1;
+
+        state.reflections.push({
+            x: target.x,
+            y: target.y,
+            age: 0,
+            maximumAge: 0.9,
+            radius: randomBetween(8, 15)
+        });
+    }
+
+    function updateEffects(deltaSeconds) {
+        for (const beam of state.beams) {
+            beam.age += deltaSeconds;
+        }
+
+        state.beams = state.beams.filter(
+            (beam) => beam.age < beam.maximumAge
+        );
+
+        for (const reflection of state.reflections) {
+            reflection.age += deltaSeconds;
+            reflection.radius += deltaSeconds * 30;
+        }
+
+        state.reflections = state.reflections.filter(
+            (reflection) =>
+                reflection.age < reflection.maximumAge
+        );
+    }
+
+    function drawGrid(palette) {
+        context.save();
+
+        context.strokeStyle = palette.grid;
+        context.lineWidth = 1;
+
+        const spacing = 54;
+
+        for (
+            let x = spacing;
+            x < state.width;
+            x += spacing
+        ) {
+            context.beginPath();
+            context.moveTo(x, 0);
+            context.lineTo(x, state.height);
+            context.stroke();
+        }
+
+        for (
+            let y = spacing;
+            y < state.height;
+            y += spacing
+        ) {
+            context.beginPath();
+            context.moveTo(0, y);
+            context.lineTo(state.width, y);
+            context.stroke();
+        }
+
+        context.restore();
+    }
+
+    function drawRadarTarget(palette) {
+        const x = state.pointer.active
+            ? state.pointer.x
+            : state.width * 0.56;
+
+        const y = state.pointer.active
+            ? state.pointer.y
+            : state.height * 0.44;
+
+        context.save();
+
+        context.strokeStyle = palette.planeMuted;
+        context.lineWidth = 1;
+
+        for (const radius of [24, 48, 82]) {
+            context.globalAlpha = 0.24 - radius / 500;
+
+            context.beginPath();
+            context.arc(x, y, radius, 0, Math.PI * 2);
+            context.stroke();
+        }
+
+        context.globalAlpha = 0.2;
+
+        context.beginPath();
+        context.moveTo(x - 100, y);
+        context.lineTo(x + 100, y);
+        context.moveTo(x, y - 100);
+        context.lineTo(x, y + 100);
+        context.stroke();
+
+        context.restore();
+    }
+
+    function drawPlane(plane, palette) {
+        context.save();
+
+        context.translate(plane.x, plane.y);
+        context.rotate(plane.angle);
+
+        const alpha = clamp(
+            Math.min(
+                plane.age * 1.8,
+                (plane.maximumAge - plane.age) * 1.8
+            ),
+            0,
+            1
+        );
+
+        context.globalAlpha = alpha;
+
+        context.strokeStyle = palette.trail;
+        context.lineWidth = 1;
+
+        context.beginPath();
+        context.moveTo(-plane.size * 4.5, 0);
+        context.lineTo(-plane.size * 1.4, 0);
+        context.stroke();
+
+        context.fillStyle =
+            plane.hit > 0
+                ? palette.reflection
+                : palette.plane;
+
+        context.shadowColor =
+            plane.hit > 0
+                ? palette.reflection
+                : palette.beamGlow;
+
+        context.shadowBlur =
+            plane.hit > 0
+                ? 16
+                : 5;
+
+        const size = plane.size;
+
+        context.beginPath();
+
+        context.moveTo(size * 1.65, 0);
+        context.lineTo(-size * 0.7, size * 0.34);
+        context.lineTo(-size * 0.15, size * 1.05);
+        context.lineTo(-size * 0.65, size * 1.08);
+        context.lineTo(-size * 1.35, size * 0.3);
+        context.lineTo(-size * 1.7, size * 0.28);
+        context.lineTo(-size * 1.12, 0);
+        context.lineTo(-size * 1.7, -size * 0.28);
+        context.lineTo(-size * 1.35, -size * 0.3);
+        context.lineTo(-size * 0.65, -size * 1.08);
+        context.lineTo(-size * 0.15, -size * 1.05);
+        context.lineTo(-size * 0.7, -size * 0.34);
+
+        context.closePath();
+        context.fill();
+
+        context.restore();
+    }
+
+    function drawBeam(beam, palette) {
+        const progress = beam.age / beam.maximumAge;
+        const alpha = Math.sin(progress * Math.PI);
+
+        context.save();
+
+        context.globalAlpha = alpha;
+        context.strokeStyle = palette.beamGlow;
+        context.lineWidth = 6;
+        context.shadowColor = palette.beam;
+        context.shadowBlur = 15;
+
+        context.beginPath();
+        context.moveTo(beam.startX, beam.startY);
+        context.lineTo(beam.endX, beam.endY);
+        context.stroke();
+
+        context.strokeStyle = palette.beam;
+        context.lineWidth = 1.4;
+        context.shadowBlur = 5;
+
+        context.beginPath();
+        context.moveTo(beam.startX, beam.startY);
+        context.lineTo(beam.endX, beam.endY);
+        context.stroke();
+
+        context.restore();
+    }
+
+    function drawReflection(reflection, palette) {
+        const progress =
+            reflection.age / reflection.maximumAge;
+
+        context.save();
+
+        context.globalAlpha = 1 - progress;
+        context.strokeStyle = palette.reflection;
+        context.lineWidth = 1.5;
+        context.shadowColor = palette.beam;
+        context.shadowBlur = 12;
+
+        context.beginPath();
+        context.arc(
+            reflection.x,
+            reflection.y,
+            reflection.radius,
+            0,
+            Math.PI * 2
+        );
+        context.stroke();
+
+        context.restore();
+    }
+
+    function drawStaticScene() {
+        const palette = getPalette();
+
+        context.clearRect(
+            0,
+            0,
+            state.width,
+            state.height
+        );
+
+        drawGrid(palette);
+        drawRadarTarget(palette);
+    }
+
+    function drawScene() {
+        const palette = getPalette();
+
+        context.clearRect(
+            0,
+            0,
+            state.width,
+            state.height
+        );
+
+        drawGrid(palette);
+        drawRadarTarget(palette);
+
+        for (const plane of state.planes) {
+            drawPlane(plane, palette);
+        }
+
+        for (const beam of state.beams) {
+            drawBeam(beam, palette);
+        }
+
+        for (const reflection of state.reflections) {
+            drawReflection(reflection, palette);
+        }
+    }
+
+    function animate(timestamp) {
+        if (!state.running) {
+            return;
+        }
+
+        const deltaSeconds = clamp(
+            (timestamp - state.lastFrame) / 1000 || 0,
+            0,
+            0.05
+        );
+
+        state.lastFrame = timestamp;
+
+        if (!state.visible || document.hidden) {
+            state.animationFrameId =
+                requestAnimationFrame(animate);
+
+            return;
+        }
+
+        state.spawnAccumulator += deltaSeconds;
+        state.beamAccumulator += deltaSeconds;
+
+        const planeLimit = getPlaneLimit();
+        const spawnInterval =
+            coarsePointer.matches ? 2.2 : 1.15;
+
+        if (
+            state.spawnAccumulator >= spawnInterval &&
+            state.planes.length < planeLimit
+        ) {
+            state.spawnAccumulator = 0;
+            state.planes.push(createPlane());
+        }
+
+        const beamInterval =
+            coarsePointer.matches ? 3.3 : 1.8;
+
+        if (
+            state.beamAccumulator >= beamInterval &&
+            state.planes.length > 0
+        ) {
+            state.beamAccumulator = 0;
+
+            const target = chooseBeamTarget();
+
+            if (target) {
+                createBeam(target);
+            }
+        }
+
+        for (const plane of state.planes) {
+            updatePlane(plane, deltaSeconds);
+        }
+
+        state.planes = state.planes.filter(
+            (plane) => !isPlaneExpired(plane)
+        );
+
+        updateEffects(deltaSeconds);
+        drawScene();
+
+        state.animationFrameId =
+            requestAnimationFrame(animate);
+    }
+
+    function start() {
+        cancelAnimationFrame(state.animationFrameId);
+
+        resizeCanvas();
+
+        if (reducedMotion.matches) {
+            state.running = false;
+            drawStaticScene();
+            return;
+        }
+
+        state.running = true;
+        state.lastFrame = performance.now();
+
+        if (state.planes.length === 0) {
+            const initialPlanes =
+                coarsePointer.matches ? 2 : 5;
+
+            for (let index = 0; index < initialPlanes; index++) {
+                const plane = createPlane();
+                plane.age = Math.random() * 2;
+                state.planes.push(plane);
+            }
+        }
+
+        state.animationFrameId =
+            requestAnimationFrame(animate);
+    }
+
+    function updatePointer(event) {
+        const bounds = hero.getBoundingClientRect();
+
+        state.pointer.x = clamp(
+            event.clientX - bounds.left,
+            0,
+            bounds.width
+        );
+
+        state.pointer.y = clamp(
+            event.clientY - bounds.top,
+            0,
+            bounds.height
+        );
+
+        state.pointer.active = true;
+    }
+
+    hero.addEventListener("pointermove", updatePointer, {
+        passive: true
+    });
+
+    hero.addEventListener("pointerleave", () => {
+        state.pointer.active = false;
+    });
+
+    window.addEventListener("resize", resizeCanvas, {
+        passive: true
+    });
+
+    document.addEventListener("visibilitychange", () => {
+        state.lastFrame = performance.now();
+    });
+
+    reducedMotion.addEventListener("change", start);
+
+    const resizeObserver = new ResizeObserver(() => {
+        resizeCanvas();
+
+        if (reducedMotion.matches) {
+            drawStaticScene();
+        }
+    });
+
+    resizeObserver.observe(hero);
+
+    const intersectionObserver = new IntersectionObserver(
+        (entries) => {
+            state.visible =
+                entries[0]?.isIntersecting ?? true;
+
+            state.lastFrame = performance.now();
+        },
+        {
+            threshold: 0.05
+        }
+    );
+
+    intersectionObserver.observe(hero);
+
+    start();
+})();

website/src/download/index.njk

@@ -57,3 +57,31 @@ description: Download KST4Contest releases for Windows, Linux and macOS.
     </div>
   </div>
 </section>
+
+<section class="section">
+
+    <div class="card content-card">
+
+        <h2>Enjoying KST4Contest?</h2>
+
+        <p>
+
+            If KST4Contest makes contesting easier for you,
+            please consider supporting future development.
+
+        </p>
+
+        <div class="actions">
+
+            <a class="button"
+               href="/support/">
+
+                ❤️ Support Development
+
+            </a>
+
+        </div>
+
+    </div>
+
+</section>

website/src/index.njk

@@ -2,9 +2,18 @@
 layout: base.njk
 title: KST4Contest – Contest-Optimized ON4KST Chat Client
 description: KST4Contest is a modern ON4KST chat client built for VHF, UHF and SHF contest operation.
+heroFx: true
 ---
 
 <section class="hero hero-split">
+
+  <canvas
+    class="hero-radio-fx"
+    data-hero-radio-fx
+    aria-hidden="true">
+  </canvas>
+
+  <div class="hero-fx-vignette" aria-hidden="true"></div>
   <div>
     <p class="badge">The contest-optimized ON4KST client</p>
     <h1>KST4Contest</h1>
@@ -73,6 +82,7 @@ description: KST4Contest is a modern ON4KST chat client built for VHF, UHF and S
     <div class="actions">
       <a class="button" href="/download/">Download KST4Contest</a>
       <a class="button secondary" href="/features/">Explore features</a>
+      <a class="button ghost" href="/support/">❤️ Support Development</a>
     </div>
   </div>
 </section>

website/src/privacy/index.njk

@@ -44,6 +44,22 @@ description: Privacy policy for the KST4Contest website.
       GitHub is responsible for its own data processing.
     </p>
 
+    <h2>
+
+    Support via Ko-fi
+
+    </h2>
+
+    <p>
+
+    This website links to Ko-fi for voluntary financial support.
+
+    Payments are processed entirely by Ko-fi and its payment providers.
+
+    KST4Contest itself never receives or processes payment information.
+
+    </p>
+
     <h2>Your rights</h2>
     <p>
       You may have the right to access, rectification, erasure, restriction of processing,

website/src/roadmap/index.njk

@@ -48,3 +48,46 @@ description: Planned enhancements for upcoming KST4Contest versions, generated f
     </article>
   {% endfor %}
 </section>
+
+<section class="section">
+
+<div class="cta-panel">
+
+<p class="eyebrow">
+
+Community
+
+</p>
+
+<h2>
+
+Development is driven by the community.
+
+</h2>
+
+<p>
+
+Many roadmap items require
+time,
+online services
+and infrastructure.
+
+Community support helps accelerate development.
+
+</p>
+
+<div class="actions">
+
+<a class="button"
+
+href="/support/">
+
+❤️ Support Development
+
+</a>
+
+</div>
+
+</div>
+
+</section>

website/src/support/index.njk

@@ -0,0 +1,176 @@
+---
+layout: base.njk
+title: Support KST4Contest
+description: Help support the ongoing development of KST4Contest.
+---
+
+<section class="hero">
+    <p class="badge">Support Development</p>
+
+    <h1>Help shape the future of KST4Contest.</h1>
+
+    <p class="lead">
+        KST4Contest is an independent open-source project developed in my free time.
+        Your support helps cover infrastructure costs and enables new contest-oriented
+        features that would otherwise be difficult to implement.
+    </p>
+
+    <div class="actions">
+        <a class="button"
+           href="https://ko-fi.com/praktimarc"
+           target="_blank"
+           rel="noopener">
+            ❤️ Support on Ko-fi
+        </a>
+
+        <a class="button secondary"
+           href="https://github.com/praktimarc/kst4contest">
+            View Source Code
+        </a>
+    </div>
+</section>
+
+
+<section class="section">
+
+<div class="section-heading">
+<p class="eyebrow">What previous support has enabled</p>
+
+<h2>Real improvements funded by the community.</h2>
+</div>
+
+<div class="grid">
+
+<article class="card">
+
+<h3>🛰 PSTRotator Integration</h3>
+
+<p>
+
+Support helped justify the investment into rotor hardware and the required
+PSTRotator license. Today KST4Contest can automatically control antennas
+during contest operation.
+
+</p>
+
+</article>
+
+<article class="card">
+
+<h3>🗺 Interactive Map</h3>
+
+<p>
+
+The interactive station map required commercial map API usage.
+Community support helped cover those API costs and made the feature possible.
+
+</p>
+
+</article>
+
+</div>
+
+</section>
+
+
+<section class="section">
+
+<div class="section-heading">
+
+<p class="eyebrow">Future goals</p>
+
+<h2>What future support will fund</h2>
+
+</div>
+
+<div class="grid">
+
+<article class="card">
+
+<h3>☁ Map API</h3>
+
+<p>
+
+Keeping the online map service available requires ongoing API usage.
+
+</p>
+
+</article>
+
+<article class="card">
+
+<h3>📡 Tropo Server</h3>
+
+<p>
+
+Future propagation prediction services and server-side calculations
+will require dedicated hosting infrastructure.
+
+</p>
+
+</article>
+
+<article class="card">
+
+<h3>🔌 New Integrations</h3>
+
+<p>
+
+Development of additional interfaces, logging software integrations,
+contest tools and automation features.
+
+</p>
+
+</article>
+
+<article class="card">
+
+<h3>🚀 Faster Development</h3>
+
+<p>
+
+More development time means more contest-oriented features,
+better testing and better documentation.
+
+</p>
+
+</article>
+
+</div>
+
+</section>
+
+
+<section class="section">
+
+<div class="cta-panel">
+
+<p class="eyebrow">Every contribution helps</p>
+
+<h2>Whether it's one coffee or ongoing support.</h2>
+
+<p>
+
+Your support directly improves KST4Contest.
+
+Unlike commercial software, every new feature is driven by real contest
+experience and community feedback.
+
+</p>
+
+<div class="actions">
+
+<a class="button"
+href="https://ko-fi.com/praktimarc"
+target="_blank"
+rel="noopener">
+
+❤️ Support KST4Contest
+
+</a>
+
+</div>
+
+</div>
+
+</section>

website/src/version-info.njk

@@ -0,0 +1,5 @@
+---
+permalink: /kst4ContestVersionInfo.xml
+eleventyExcludeFromCollections: true
+---
+{{ versionInfo | safe }}