up

frontend/src/App.tsx

@@ -68,7 +68,7 @@ import {
   Select, SelectTrigger, SelectValue, SelectContent, SelectItem,
 } from '@/components/ui/select';
 import { cn } from '@/lib/utils';
-import { pathBetween } from '@/lib/maidenhead';
+import { pathBetween, pathBetweenLatLon, gridToLatLon } from '@/lib/maidenhead';
 import { flagURL } from '@/lib/flags';
 
 type QSO = QSOForm;
@@ -1890,7 +1890,14 @@ export default function App() {
                 both directly clickable, plus an always-visible Stop. The
                 old Shift/Ctrl shortcuts were not discoverable enough. */}
             {(() => {
-              const p = pathBetween(station.my_grid, grid);
+              // Prefer grid-to-grid; fall back to lat/lon when the DX has no
+              // grid but a known location (e.g. cty.dat-only entities like
+              // Svalbard → no QRZ grid, but cty.dat gives coordinates).
+              const myLL = gridToLatLon(station.my_grid);
+              const p = pathBetween(station.my_grid, grid)
+                ?? (myLL && details.lat != null && details.lon != null
+                  ? pathBetweenLatLon(myLL, { lat: details.lat, lon: details.lon })
+                  : null);
               const disabled = !p;
               const goto = (az: number) => RotatorGoTo(Math.round(az), -1).catch((err) => setError(String(err?.message ?? err)));
               return (