Merge main into chrome/main

lib/l10n/app_bg.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Неуспешно изтриване на канала \"{name}\"",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "bg",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Контакти",
@@ -1720,5 +1722,29 @@
   "losPointName": "Име на точката",
   "losShowPanelTooltip": "Показване на LOS панел",
   "losHidePanelTooltip": "Скриване на LOS панела",
-  "losElevationAttribution": "Данни за надморска височина: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Данни за надморска височина: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Радиохоризонт",
+  "losLegendLosBeam": "Линия на видимост",
+  "losLegendTerrain": "Терен",
+  "losFrequencyLabel": "Честота",
+  "losFrequencyInfoTooltip": "Преглед на детайли за изчислението",
+  "losFrequencyDialogTitle": "Изчисляване на радиохоризонта",
+  "losFrequencyDialogDescription": "Започвайки от k={baselineK} при {baselineFreq} MHz, изчислението коригира k-фактора за текущата {frequencyMHz} MHz лента, която определя границата на извития радиохоризонт.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_de.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Kanal {name} konnte nicht gelöscht werden",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "de",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Kontakte",
@@ -1748,5 +1750,29 @@
   "losPointName": "Punktname",
   "losShowPanelTooltip": "LOS-Panel anzeigen",
   "losHidePanelTooltip": "LOS-Panel ausblenden",
-  "losElevationAttribution": "Höhendaten: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Höhendaten: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Funkhorizont",
+  "losLegendLosBeam": "Sichtlinie",
+  "losLegendTerrain": "Gelände",
+  "losFrequencyLabel": "Frequenz",
+  "losFrequencyInfoTooltip": "Details zur Berechnung anzeigen",
+  "losFrequencyDialogTitle": "Berechnung des Funkhorizonts",
+  "losFrequencyDialogDescription": "Ausgehend von k={baselineK} bei {baselineFreq} MHz passt die Berechnung den k-Faktor für das aktuelle {frequencyMHz} MHz-Band an, das die gekrümmte Funkhorizontobergrenze definiert.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_en.arb

@@ -367,6 +367,14 @@
       }
     }
   },
+  "channels_channelDeleteFailed": "Failed to delete channel \"{name}\"",
+  "@channels_channelDeleteFailed": {
+    "placeholders": {
+      "name": {
+        "type": "String"
+      }
+    }
+  },
   "channels_channelDeleted": "Channel \"{name}\" deleted",
   "@channels_channelDeleted": {
     "placeholders": {
@@ -1669,6 +1677,30 @@
   "losShowPanelTooltip": "Show LOS panel",
   "losHidePanelTooltip": "Hide LOS panel",
   "losElevationAttribution": "Elevation data: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Radio horizon",
+  "losLegendLosBeam": "LOS beam",
+  "losLegendTerrain": "Terrain",
+  "losFrequencyLabel": "Frequency",
+  "losFrequencyInfoTooltip": "View calculation details",
+  "losFrequencyDialogTitle": "Radio horizon calculation",
+  "losFrequencyDialogDescription": "Starting from k={baselineK} at {baselineFreq} MHz, the calculation adjusts the k-factor for the current {frequencyMHz} MHz band, which defines the curved radio horizon cap.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  },
   "contacts_pathTrace": "Path Trace",
   "contacts_ping": "Ping",
   "contacts_repeaterPathTrace": "Path trace to repeater",
@@ -1749,4 +1781,4 @@
   "settings_gpxExportShareSubject": "meshcore-open GPX map data export",
   "snrIndicator_nearByRepeaters": "Nearby Repeaters",
   "snrIndicator_lastSeen": "Last seen"
-}
+}

lib/l10n/app_es.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "No se pudo eliminar el canal \"{name}\"",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "es",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Contactos",
@@ -1748,5 +1750,29 @@
   "losPointName": "Nombre del punto",
   "losShowPanelTooltip": "Mostrar panel LOS",
   "losHidePanelTooltip": "Ocultar panel LOS",
-  "losElevationAttribution": "Datos de elevación: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Datos de elevación: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Horizonte radioeléctrico",
+  "losLegendLosBeam": "Línea de visión",
+  "losLegendTerrain": "Terreno",
+  "losFrequencyLabel": "Frecuencia",
+  "losFrequencyInfoTooltip": "Ver detalles del cálculo",
+  "losFrequencyDialogTitle": "Cálculo del horizonte radioeléctrico",
+  "losFrequencyDialogDescription": "A partir de k={baselineK} en {baselineFreq} MHz, el cálculo ajusta el factor k para la banda actual de {frequencyMHz} MHz, que define el límite curvo del horizonte de radio.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_fr.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Échec de la suppression de la chaîne \"{name}\"",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "fr",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Contacts",
@@ -1720,5 +1722,29 @@
   "losPointName": "Nom du point",
   "losShowPanelTooltip": "Afficher le panneau LOS",
   "losHidePanelTooltip": "Masquer le panneau LOS",
-  "losElevationAttribution": "Données d'altitude : Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Données d’altitude : Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Horizon radio",
+  "losLegendLosBeam": "Ligne de visée",
+  "losLegendTerrain": "Terrain",
+  "losFrequencyLabel": "Fréquence",
+  "losFrequencyInfoTooltip": "Voir les détails du calcul",
+  "losFrequencyDialogTitle": "Calcul de l’horizon radio",
+  "losFrequencyDialogDescription": "À partir de k={baselineK} à {baselineFreq} MHz, le calcul ajuste le facteur k pour la bande actuelle de {frequencyMHz} MHz, ce qui définit la limite incurvée de l'horizon radio.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_it.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Impossibile eliminare il canale \"{name}\"",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "it",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Contatti",
@@ -1720,5 +1722,29 @@
   "losPointName": "Nome del punto",
   "losShowPanelTooltip": "Mostra il pannello LOS",
   "losHidePanelTooltip": "Nascondi il pannello LOS",
-  "losElevationAttribution": "Dati di elevazione: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Dati di elevazione: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Orizzonte radio",
+  "losLegendLosBeam": "Linea di vista",
+  "losLegendTerrain": "Terreno",
+  "losFrequencyLabel": "Frequenza",
+  "losFrequencyInfoTooltip": "Visualizza i dettagli del calcolo",
+  "losFrequencyDialogTitle": "Calcolo dell’orizzonte radio",
+  "losFrequencyDialogDescription": "Partendo da k={baselineK} a {baselineFreq} MHz, il calcolo regola il fattore k per l'attuale banda {frequencyMHz} MHz, che definisce il limite curvo dell'orizzonte radio.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_localizations.dart

@@ -1594,6 +1594,12 @@ abstract class AppLocalizations {
   /// **'Delete \"{name}\"? This cannot be undone.'**
   String channels_deleteChannelConfirm(String name);
 
+  /// No description provided for @channels_channelDeleteFailed.
+  ///
+  /// In en, this message translates to:
+  /// **'Failed to delete channel \"{name}\"'**
+  String channels_channelDeleteFailed(String name);
+
   /// No description provided for @channels_channelDeleted.
   ///
   /// In en, this message translates to:
@@ -5016,6 +5022,53 @@ abstract class AppLocalizations {
   /// **'Elevation data: Open-Meteo (CC BY 4.0)'**
   String get losElevationAttribution;
 
+  /// No description provided for @losLegendRadioHorizon.
+  ///
+  /// In en, this message translates to:
+  /// **'Radio horizon'**
+  String get losLegendRadioHorizon;
+
+  /// No description provided for @losLegendLosBeam.
+  ///
+  /// In en, this message translates to:
+  /// **'LOS beam'**
+  String get losLegendLosBeam;
+
+  /// No description provided for @losLegendTerrain.
+  ///
+  /// In en, this message translates to:
+  /// **'Terrain'**
+  String get losLegendTerrain;
+
+  /// No description provided for @losFrequencyLabel.
+  ///
+  /// In en, this message translates to:
+  /// **'Frequency'**
+  String get losFrequencyLabel;
+
+  /// No description provided for @losFrequencyInfoTooltip.
+  ///
+  /// In en, this message translates to:
+  /// **'View calculation details'**
+  String get losFrequencyInfoTooltip;
+
+  /// No description provided for @losFrequencyDialogTitle.
+  ///
+  /// In en, this message translates to:
+  /// **'Radio horizon calculation'**
+  String get losFrequencyDialogTitle;
+
+  /// Explain how the calculation uses the baseline frequency and derived k-factor.
+  ///
+  /// In en, this message translates to:
+  /// **'Starting from k={baselineK} at {baselineFreq} MHz, the calculation adjusts the k-factor for the current {frequencyMHz} MHz band, which defines the curved radio horizon cap.'**
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  );
+
   /// No description provided for @contacts_pathTrace.
   ///
   /// In en, this message translates to:

lib/l10n/app_localizations_bg.dart

@@ -827,6 +827,11 @@ class AppLocalizationsBg extends AppLocalizations {
     return 'Изтрий \"$name\"? Това не може да бъде отменено.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Неуспешно изтриване на канала \"$name\"';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Каналът \"$name\" е изтрит';
@@ -2874,6 +2879,34 @@ class AppLocalizationsBg extends AppLocalizations {
   String get losElevationAttribution =>
       'Данни за надморска височина: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Радиохоризонт';
+
+  @override
+  String get losLegendLosBeam => 'Линия на видимост';
+
+  @override
+  String get losLegendTerrain => 'Терен';
+
+  @override
+  String get losFrequencyLabel => 'Честота';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Преглед на детайли за изчислението';
+
+  @override
+  String get losFrequencyDialogTitle => 'Изчисляване на радиохоризонта';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Започвайки от k=$baselineK при $baselineFreq MHz, изчислението коригира k-фактора за текущата $frequencyMHz MHz лента, която определя границата на извития радиохоризонт.';
+  }
+
   @override
   String get contacts_pathTrace => 'Пътен проследяване';
 

lib/l10n/app_localizations_de.dart

@@ -824,6 +824,11 @@ class AppLocalizationsDe extends AppLocalizations {
     return 'Löschen von \"$name\"? Dies kann nicht rückgängig gemacht werden.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Kanal $name konnte nicht gelöscht werden';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Kanal \"$name\" gelöscht';
@@ -2880,6 +2885,34 @@ class AppLocalizationsDe extends AppLocalizations {
   @override
   String get losElevationAttribution => 'Höhendaten: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Funkhorizont';
+
+  @override
+  String get losLegendLosBeam => 'Sichtlinie';
+
+  @override
+  String get losLegendTerrain => 'Gelände';
+
+  @override
+  String get losFrequencyLabel => 'Frequenz';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Details zur Berechnung anzeigen';
+
+  @override
+  String get losFrequencyDialogTitle => 'Berechnung des Funkhorizonts';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Ausgehend von k=$baselineK bei $baselineFreq MHz passt die Berechnung den k-Faktor für das aktuelle $frequencyMHz MHz-Band an, das die gekrümmte Funkhorizontobergrenze definiert.';
+  }
+
   @override
   String get contacts_pathTrace => 'Pfadverfolgung';
 

lib/l10n/app_localizations_en.dart

@@ -815,6 +815,11 @@ class AppLocalizationsEn extends AppLocalizations {
     return 'Delete \"$name\"? This cannot be undone.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Failed to delete channel \"$name\"';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Channel \"$name\" deleted';
@@ -2831,6 +2836,34 @@ class AppLocalizationsEn extends AppLocalizations {
   String get losElevationAttribution =>
       'Elevation data: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Radio horizon';
+
+  @override
+  String get losLegendLosBeam => 'LOS beam';
+
+  @override
+  String get losLegendTerrain => 'Terrain';
+
+  @override
+  String get losFrequencyLabel => 'Frequency';
+
+  @override
+  String get losFrequencyInfoTooltip => 'View calculation details';
+
+  @override
+  String get losFrequencyDialogTitle => 'Radio horizon calculation';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Starting from k=$baselineK at $baselineFreq MHz, the calculation adjusts the k-factor for the current $frequencyMHz MHz band, which defines the curved radio horizon cap.';
+  }
+
   @override
   String get contacts_pathTrace => 'Path Trace';
 

lib/l10n/app_localizations_es.dart

@@ -825,6 +825,11 @@ class AppLocalizationsEs extends AppLocalizations {
     return 'Eliminar \"$name\"? Esto no se puede deshacer.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'No se pudo eliminar el canal \"$name\"';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Canal \"$name\" eliminado';
@@ -2874,6 +2879,34 @@ class AppLocalizationsEs extends AppLocalizations {
   String get losElevationAttribution =>
       'Datos de elevación: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Horizonte radioeléctrico';
+
+  @override
+  String get losLegendLosBeam => 'Línea de visión';
+
+  @override
+  String get losLegendTerrain => 'Terreno';
+
+  @override
+  String get losFrequencyLabel => 'Frecuencia';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Ver detalles del cálculo';
+
+  @override
+  String get losFrequencyDialogTitle => 'Cálculo del horizonte radioeléctrico';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'A partir de k=$baselineK en $baselineFreq MHz, el cálculo ajusta el factor k para la banda actual de $frequencyMHz MHz, que define el límite curvo del horizonte de radio.';
+  }
+
   @override
   String get contacts_pathTrace => 'Rastreo de caminos';
 

lib/l10n/app_localizations_fr.dart

@@ -827,6 +827,11 @@ class AppLocalizationsFr extends AppLocalizations {
     return 'Supprimer $name? Cela ne peut pas être annulé.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Échec de la suppression de la chaîne \"$name\"';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Le canal \"$name\" a été supprimé';
@@ -2887,7 +2892,35 @@ class AppLocalizationsFr extends AppLocalizations {
 
   @override
   String get losElevationAttribution =>
-      'Données d\'altitude : Open-Meteo (CC BY 4.0)';
+      'Données d’altitude : Open-Meteo (CC BY 4.0)';
+
+  @override
+  String get losLegendRadioHorizon => 'Horizon radio';
+
+  @override
+  String get losLegendLosBeam => 'Ligne de visée';
+
+  @override
+  String get losLegendTerrain => 'Terrain';
+
+  @override
+  String get losFrequencyLabel => 'Fréquence';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Voir les détails du calcul';
+
+  @override
+  String get losFrequencyDialogTitle => 'Calcul de l’horizon radio';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'À partir de k=$baselineK à $baselineFreq MHz, le calcul ajuste le facteur k pour la bande actuelle de $frequencyMHz MHz, ce qui définit la limite incurvée de l\'horizon radio.';
+  }
 
   @override
   String get contacts_pathTrace => 'Traçage de chemin';

lib/l10n/app_localizations_it.dart

@@ -823,6 +823,11 @@ class AppLocalizationsIt extends AppLocalizations {
     return 'Eliminare \"$name\"? Non può essere annullato.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Impossibile eliminare il canale \"$name\"';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Canale \"$name\" eliminato';
@@ -2874,6 +2879,34 @@ class AppLocalizationsIt extends AppLocalizations {
   String get losElevationAttribution =>
       'Dati di elevazione: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Orizzonte radio';
+
+  @override
+  String get losLegendLosBeam => 'Linea di vista';
+
+  @override
+  String get losLegendTerrain => 'Terreno';
+
+  @override
+  String get losFrequencyLabel => 'Frequenza';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Visualizza i dettagli del calcolo';
+
+  @override
+  String get losFrequencyDialogTitle => 'Calcolo dell’orizzonte radio';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Partendo da k=$baselineK a $baselineFreq MHz, il calcolo regola il fattore k per l\'attuale banda $frequencyMHz MHz, che definisce il limite curvo dell\'orizzonte radio.';
+  }
+
   @override
   String get contacts_pathTrace => 'Traccia Percorso';
 

lib/l10n/app_localizations_nl.dart

@@ -820,6 +820,11 @@ class AppLocalizationsNl extends AppLocalizations {
     return 'Verwijderen \"$name\"? Dit kan niet worden teruggedraaid.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Kan kanaal $name niet verwijderen';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Kanaal \"$name\" verwijderd';
@@ -2864,6 +2869,34 @@ class AppLocalizationsNl extends AppLocalizations {
   String get losElevationAttribution =>
       'Hoogtegegevens: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Radiohorizon';
+
+  @override
+  String get losLegendLosBeam => 'Zichtlijn';
+
+  @override
+  String get losLegendTerrain => 'Terrein';
+
+  @override
+  String get losFrequencyLabel => 'Frequentie';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Bekijk details van de berekening';
+
+  @override
+  String get losFrequencyDialogTitle => 'Berekening van de radiohorizon';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Beginnend met k=$baselineK bij $baselineFreq MHz, wordt bij de berekening de k-factor aangepast voor de huidige $frequencyMHz MHz-band, die de gebogen radiohorizonkap definieert.';
+  }
+
   @override
   String get contacts_pathTrace => 'Pad Traceren';
 

lib/l10n/app_localizations_pl.dart

@@ -825,6 +825,11 @@ class AppLocalizationsPl extends AppLocalizations {
     return 'Usuń \"$name\"? Nie można tego cofnąć.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Nie udało się usunąć kanału \"$name\"';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Kanał \"$name\" usunięto';
@@ -2870,6 +2875,34 @@ class AppLocalizationsPl extends AppLocalizations {
   String get losElevationAttribution =>
       'Dane dotyczące wysokości: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Horyzont radiowy';
+
+  @override
+  String get losLegendLosBeam => 'Linia widoczności';
+
+  @override
+  String get losLegendTerrain => 'Teren';
+
+  @override
+  String get losFrequencyLabel => 'Częstotliwość';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Zobacz szczegóły obliczenia';
+
+  @override
+  String get losFrequencyDialogTitle => 'Obliczanie horyzontu radiowego';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Zaczynając od k=$baselineK przy $baselineFreq MHz, obliczenia korygują współczynnik k dla bieżącego pasma $frequencyMHz MHz, które definiuje zakrzywiony limit horyzontu radiowego.';
+  }
+
   @override
   String get contacts_pathTrace => 'Śledzenie Ścieżek';
 

lib/l10n/app_localizations_pt.dart

@@ -826,6 +826,11 @@ class AppLocalizationsPt extends AppLocalizations {
     return 'Excluir \"$name\"? Não pode ser desfeito.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Falha ao excluir o canal \"$name\"';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Canal \"$name\" excluído';
@@ -2873,6 +2878,34 @@ class AppLocalizationsPt extends AppLocalizations {
   String get losElevationAttribution =>
       'Dados de elevação: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Horizonte de rádio';
+
+  @override
+  String get losLegendLosBeam => 'Linha de visada';
+
+  @override
+  String get losLegendTerrain => 'Terreno';
+
+  @override
+  String get losFrequencyLabel => 'Frequência';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Ver detalhes do cálculo';
+
+  @override
+  String get losFrequencyDialogTitle => 'Cálculo do horizonte de rádio';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Começando em k=$baselineK em $baselineFreq MHz, o cálculo ajusta o fator k para a banda atual de $frequencyMHz MHz, que define o limite do horizonte de rádio curvo.';
+  }
+
   @override
   String get contacts_pathTrace => 'Traçado de Caminho';
 

lib/l10n/app_localizations_ru.dart

@@ -824,6 +824,11 @@ class AppLocalizationsRu extends AppLocalizations {
     return 'Удалить \"$name\"? Это действие нельзя отменить.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Не удалось удалить канал $name.';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Канал \"$name\" удалён';
@@ -2876,6 +2881,34 @@ class AppLocalizationsRu extends AppLocalizations {
   String get losElevationAttribution =>
       'Данные о высоте: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Радиогоризонт';
+
+  @override
+  String get losLegendLosBeam => 'Линия прямой видимости';
+
+  @override
+  String get losLegendTerrain => 'Рельеф';
+
+  @override
+  String get losFrequencyLabel => 'Частота';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Просмотреть детали расчёта';
+
+  @override
+  String get losFrequencyDialogTitle => 'Расчёт радиогоризонта';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Начиная с k=$baselineK на частоте $baselineFreq МГц, расчет корректирует коэффициент k для текущего диапазона $frequencyMHz МГц, который определяет изогнутую границу радиогоризонта.';
+  }
+
   @override
   String get contacts_pathTrace => 'Трассировка пути';
 

lib/l10n/app_localizations_sk.dart

@@ -820,6 +820,11 @@ class AppLocalizationsSk extends AppLocalizations {
     return 'Odstrániť \"$name\"? To sa nedá zrušiť.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Kanál \"$name\" sa nepodarilo odstrániť';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Kanál \"$name\" bol odstránený';
@@ -2858,6 +2863,34 @@ class AppLocalizationsSk extends AppLocalizations {
   String get losElevationAttribution =>
       'Údaje o nadmorskej výške: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Rádiový horizont';
+
+  @override
+  String get losLegendLosBeam => 'Priama viditeľnosť';
+
+  @override
+  String get losLegendTerrain => 'Terén';
+
+  @override
+  String get losFrequencyLabel => 'Frekvencia';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Zobraziť podrobnosti výpočtu';
+
+  @override
+  String get losFrequencyDialogTitle => 'Výpočet rádiového horizontu';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Počnúc od k=$baselineK pri $baselineFreq MHz výpočet upraví k-faktor pre aktuálne pásmo $frequencyMHz MHz, ktorý definuje zakrivený strop rádiového horizontu.';
+  }
+
   @override
   String get contacts_pathTrace => 'Sledovanie lúčov';
 

lib/l10n/app_localizations_sl.dart

@@ -818,6 +818,11 @@ class AppLocalizationsSl extends AppLocalizations {
     return 'Izbrišem \"$name\"? To se ne da povrniti.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Kanala $name ni bilo mogoče izbrisati';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Kanal \"$name\" izbrisan.';
@@ -2861,6 +2866,34 @@ class AppLocalizationsSl extends AppLocalizations {
   String get losElevationAttribution =>
       'Podatki o višini: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Radijski horizont';
+
+  @override
+  String get losLegendLosBeam => 'Linija vidnosti';
+
+  @override
+  String get losLegendTerrain => 'Teren';
+
+  @override
+  String get losFrequencyLabel => 'Frekvenca';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Prikaži podrobnosti izračuna';
+
+  @override
+  String get losFrequencyDialogTitle => 'Izračun radijskega horizonta';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Začenši od k=$baselineK pri $baselineFreq MHz, izračun prilagodi k-faktor za trenutni pas $frequencyMHz MHz, ki določa ukrivljeno zgornjo mejo radijskega horizonta.';
+  }
+
   @override
   String get contacts_pathTrace => 'Sledenje poti';
 

lib/l10n/app_localizations_sv.dart

@@ -814,6 +814,11 @@ class AppLocalizationsSv extends AppLocalizations {
     return 'Radera \"$name\"? Detta kan inte ångras.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Det gick inte att ta bort kanalen \"$name\"';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Kanalen \"$name\" raderad';
@@ -2844,6 +2849,34 @@ class AppLocalizationsSv extends AppLocalizations {
   @override
   String get losElevationAttribution => 'Höjddata: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Radiohorisont';
+
+  @override
+  String get losLegendLosBeam => 'Siktlinje';
+
+  @override
+  String get losLegendTerrain => 'Terräng';
+
+  @override
+  String get losFrequencyLabel => 'Frekvens';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Visa detaljer om beräkningen';
+
+  @override
+  String get losFrequencyDialogTitle => 'Beräkning av radiohorisonten';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Med start från k=$baselineK vid $baselineFreq MHz, justerar beräkningen k-faktorn för det aktuella $frequencyMHz MHz-bandet, som definierar den böjda radiohorisonten.';
+  }
+
   @override
   String get contacts_pathTrace => 'Path Trace';
 

lib/l10n/app_localizations_uk.dart

@@ -822,6 +822,11 @@ class AppLocalizationsUk extends AppLocalizations {
     return 'Видалити $name? Це не можна скасувати.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return 'Не вдалося видалити канал \"$name\"';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return 'Канал «$name» видалено';
@@ -2884,6 +2889,34 @@ class AppLocalizationsUk extends AppLocalizations {
   String get losElevationAttribution =>
       'Дані про висоту: Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => 'Радіогоризонт';
+
+  @override
+  String get losLegendLosBeam => 'Лінія прямої видимості';
+
+  @override
+  String get losLegendTerrain => 'Рельєф';
+
+  @override
+  String get losFrequencyLabel => 'Частота';
+
+  @override
+  String get losFrequencyInfoTooltip => 'Переглянути деталі розрахунку';
+
+  @override
+  String get losFrequencyDialogTitle => 'Розрахунок радіогоризонту';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return 'Починаючи з k=$baselineK на $baselineFreq МГц, обчислення коригує k-фактор для поточного діапазону $frequencyMHz МГц, який визначає викривлену межу радіогоризонту.';
+  }
+
   @override
   String get contacts_pathTrace => 'Трасування шляхів';
 

lib/l10n/app_localizations_zh.dart

@@ -782,6 +782,11 @@ class AppLocalizationsZh extends AppLocalizations {
     return 'Delete \"$name\"? This cannot be undone.';
   }
 
+  @override
+  String channels_channelDeleteFailed(String name) {
+    return '无法删除频道 \"$name\"';
+  }
+
   @override
   String channels_channelDeleted(String name) {
     return '删除频道 \"$name\"';
@@ -2722,6 +2727,34 @@ class AppLocalizationsZh extends AppLocalizations {
   @override
   String get losElevationAttribution => '高程数据：Open-Meteo (CC BY 4.0)';
 
+  @override
+  String get losLegendRadioHorizon => '无线电地平线';
+
+  @override
+  String get losLegendLosBeam => '视距波束';
+
+  @override
+  String get losLegendTerrain => '地形';
+
+  @override
+  String get losFrequencyLabel => '频率';
+
+  @override
+  String get losFrequencyInfoTooltip => '查看计算详情';
+
+  @override
+  String get losFrequencyDialogTitle => '无线电地平线计算';
+
+  @override
+  String losFrequencyDialogDescription(
+    double baselineK,
+    double baselineFreq,
+    double frequencyMHz,
+    double kFactor,
+  ) {
+    return '从 $baselineFreq MHz 处的 k=$baselineK 开始，计算调整当前 $frequencyMHz MHz 频段的 k 因子，该因子定义了弯曲的无线电范围上限。';
+  }
+
   @override
   String get contacts_pathTrace => '路径追踪';
 

lib/l10n/app_nl.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Kan kanaal {name} niet verwijderen",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "nl",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Contacten",
@@ -1720,5 +1722,29 @@
   "losPointName": "Puntnaam",
   "losShowPanelTooltip": "Toon LOS-paneel",
   "losHidePanelTooltip": "LOS-paneel verbergen",
-  "losElevationAttribution": "Hoogtegegevens: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Hoogtegegevens: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Radiohorizon",
+  "losLegendLosBeam": "Zichtlijn",
+  "losLegendTerrain": "Terrein",
+  "losFrequencyLabel": "Frequentie",
+  "losFrequencyInfoTooltip": "Bekijk details van de berekening",
+  "losFrequencyDialogTitle": "Berekening van de radiohorizon",
+  "losFrequencyDialogDescription": "Beginnend met k={baselineK} bij {baselineFreq} MHz, wordt bij de berekening de k-factor aangepast voor de huidige {frequencyMHz} MHz-band, die de gebogen radiohorizonkap definieert.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_pl.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Nie udało się usunąć kanału \"{name}\"",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "pl",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Kontakty",
@@ -1720,5 +1722,29 @@
   "losPointName": "Nazwa punktu",
   "losShowPanelTooltip": "Pokaż panel LOS",
   "losHidePanelTooltip": "Ukryj panel LOS",
-  "losElevationAttribution": "Dane dotyczące wysokości: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Dane dotyczące wysokości: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Horyzont radiowy",
+  "losLegendLosBeam": "Linia widoczności",
+  "losLegendTerrain": "Teren",
+  "losFrequencyLabel": "Częstotliwość",
+  "losFrequencyInfoTooltip": "Zobacz szczegóły obliczenia",
+  "losFrequencyDialogTitle": "Obliczanie horyzontu radiowego",
+  "losFrequencyDialogDescription": "Zaczynając od k={baselineK} przy {baselineFreq} MHz, obliczenia korygują współczynnik k dla bieżącego pasma {frequencyMHz} MHz, które definiuje zakrzywiony limit horyzontu radiowego.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_pt.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Falha ao excluir o canal \"{name}\"",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "pt",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Contactos",
@@ -1720,5 +1722,29 @@
   "losPointName": "Nome do ponto",
   "losShowPanelTooltip": "Mostrar painel LOS",
   "losHidePanelTooltip": "Ocultar painel LOS",
-  "losElevationAttribution": "Dados de elevação: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Dados de elevação: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Horizonte de rádio",
+  "losLegendLosBeam": "Linha de visada",
+  "losLegendTerrain": "Terreno",
+  "losFrequencyLabel": "Frequência",
+  "losFrequencyInfoTooltip": "Ver detalhes do cálculo",
+  "losFrequencyDialogTitle": "Cálculo do horizonte de rádio",
+  "losFrequencyDialogDescription": "Começando em k={baselineK} em {baselineFreq} MHz, o cálculo ajusta o fator k para a banda atual de {frequencyMHz} MHz, que define o limite do horizonte de rádio curvo.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_ru.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Не удалось удалить канал {name}.",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "ru",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Контакты",
@@ -960,5 +962,29 @@
   "losPointName": "Имя точки",
   "losShowPanelTooltip": "Показать панель LOS",
   "losHidePanelTooltip": "Скрыть панель LOS",
-  "losElevationAttribution": "Данные о высоте: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Данные о высоте: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Радиогоризонт",
+  "losLegendLosBeam": "Линия прямой видимости",
+  "losLegendTerrain": "Рельеф",
+  "losFrequencyLabel": "Частота",
+  "losFrequencyInfoTooltip": "Просмотреть детали расчёта",
+  "losFrequencyDialogTitle": "Расчёт радиогоризонта",
+  "losFrequencyDialogDescription": "Начиная с k={baselineK} на частоте {baselineFreq} МГц, расчет корректирует коэффициент k для текущего диапазона {frequencyMHz} МГц, который определяет изогнутую границу радиогоризонта.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_sk.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Kanál \"{name}\" sa nepodarilo odstrániť",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "sk",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Kontakty",
@@ -1720,5 +1722,29 @@
   "losPointName": "Názov bodu",
   "losShowPanelTooltip": "Zobraziť panel LOS",
   "losHidePanelTooltip": "Skryť panel LOS",
-  "losElevationAttribution": "Údaje o nadmorskej výške: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Údaje o nadmorskej výške: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Rádiový horizont",
+  "losLegendLosBeam": "Priama viditeľnosť",
+  "losLegendTerrain": "Terén",
+  "losFrequencyLabel": "Frekvencia",
+  "losFrequencyInfoTooltip": "Zobraziť podrobnosti výpočtu",
+  "losFrequencyDialogTitle": "Výpočet rádiového horizontu",
+  "losFrequencyDialogDescription": "Počnúc od k={baselineK} pri {baselineFreq} MHz výpočet upraví k-faktor pre aktuálne pásmo {frequencyMHz} MHz, ktorý definuje zakrivený strop rádiového horizontu.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_sl.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Kanala {name} ni bilo mogoče izbrisati",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "sl",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Stiki",
@@ -1720,5 +1722,29 @@
   "losPointName": "Ime točke",
   "losShowPanelTooltip": "Pokaži ploščo LOS",
   "losHidePanelTooltip": "Skrij ploščo LOS",
-  "losElevationAttribution": "Podatki o višini: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Podatki o višini: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Radijski horizont",
+  "losLegendLosBeam": "Linija vidnosti",
+  "losLegendTerrain": "Teren",
+  "losFrequencyLabel": "Frekvenca",
+  "losFrequencyInfoTooltip": "Prikaži podrobnosti izračuna",
+  "losFrequencyDialogTitle": "Izračun radijskega horizonta",
+  "losFrequencyDialogDescription": "Začenši od k={baselineK} pri {baselineFreq} MHz, izračun prilagodi k-faktor za trenutni pas {frequencyMHz} MHz, ki določa ukrivljeno zgornjo mejo radijskega horizonta.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_sv.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Det gick inte att ta bort kanalen \"{name}\"",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "sv",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Kontakter",
@@ -1720,5 +1722,29 @@
   "losPointName": "Punktnamn",
   "losShowPanelTooltip": "Visa LOS-panelen",
   "losHidePanelTooltip": "Dölj LOS-panelen",
-  "losElevationAttribution": "Höjddata: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Höjddata: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Radiohorisont",
+  "losLegendLosBeam": "Siktlinje",
+  "losLegendTerrain": "Terräng",
+  "losFrequencyLabel": "Frekvens",
+  "losFrequencyInfoTooltip": "Visa detaljer om beräkningen",
+  "losFrequencyDialogTitle": "Beräkning av radiohorisonten",
+  "losFrequencyDialogDescription": "Med start från k={baselineK} vid {baselineFreq} MHz, justerar beräkningen k-faktorn för det aktuella {frequencyMHz} MHz-bandet, som definierar den böjda radiohorisonten.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_uk.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "Не вдалося видалити канал \"{name}\"",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "uk",
   "appTitle": "MeshCore Open",
   "nav_contacts": "Контакти",
@@ -1720,5 +1722,29 @@
   "losPointName": "Назва точки",
   "losShowPanelTooltip": "Показати панель LOS",
   "losHidePanelTooltip": "Приховати панель LOS",
-  "losElevationAttribution": "Дані про висоту: Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "Дані про висоту: Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "Радіогоризонт",
+  "losLegendLosBeam": "Лінія прямої видимості",
+  "losLegendTerrain": "Рельєф",
+  "losFrequencyLabel": "Частота",
+  "losFrequencyInfoTooltip": "Переглянути деталі розрахунку",
+  "losFrequencyDialogTitle": "Розрахунок радіогоризонту",
+  "losFrequencyDialogDescription": "Починаючи з k={baselineK} на {baselineFreq} МГц, обчислення коригує k-фактор для поточного діапазону {frequencyMHz} МГц, який визначає викривлену межу радіогоризонту.",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}

lib/l10n/app_zh.arb

@@ -1,4 +1,6 @@
 {
+  "channels_channelDeleteFailed": "无法删除频道 \"{name}\"",
+  "@channels_channelDeleteFailed": { "placeholders": { "name": { "type": "String" } } },
   "@@locale": "zh",
   "appTitle": "MeshCore Open",
   "nav_contacts": "联系方式",
@@ -1720,5 +1722,29 @@
   "losPointName": "点名称",
   "losShowPanelTooltip": "显示 LOS 面板",
   "losHidePanelTooltip": "隐藏 LOS 面板",
-  "losElevationAttribution": "高程数据：Open-Meteo (CC BY 4.0)"
-}
+  "losElevationAttribution": "高程数据：Open-Meteo (CC BY 4.0)",
+  "losLegendRadioHorizon": "无线电地平线",
+  "losLegendLosBeam": "视距波束",
+  "losLegendTerrain": "地形",
+  "losFrequencyLabel": "频率",
+  "losFrequencyInfoTooltip": "查看计算详情",
+  "losFrequencyDialogTitle": "无线电地平线计算",
+  "losFrequencyDialogDescription": "从 {baselineFreq} MHz 处的 k={baselineK} 开始，计算调整当前 {frequencyMHz} MHz 频段的 k 因子，该因子定义了弯曲的无线电范围上限。",
+  "@losFrequencyDialogDescription": {
+    "description": "Explain how the calculation uses the baseline frequency and derived k-factor.",
+    "placeholders": {
+      "baselineK": {
+        "type": "double"
+      },
+      "baselineFreq": {
+        "type": "double"
+      },
+      "frequencyMHz": {
+        "type": "double"
+      },
+      "kFactor": {
+        "type": "double"
+      }
+    }
+  }
+}