fixed spot refresh on no tx every second

package.nw/lib/gt.js

@@ -179,6 +179,7 @@ var g_flightDuration = 30;
 var g_crScript = g_appSettings.crScript;
 var g_spotsEnabled = g_appSettings.spotsEnabled;
 var g_heatEnabled = g_appSettings.heatEnabled;
+var g_spotRefreshRequired = false;
 
 var g_myLat = g_mapSettings.latitude;
 var g_myLon = g_mapSettings.longitude;
@@ -16027,6 +16028,9 @@ function pskSpotCheck(timeSec)
     g_receptionReports.lastDownloadTimeSec = timeSec;
     localStorage.receptionSettings = JSON.stringify(g_receptionSettings);
     spotRefreshDiv.innerHTML = "…refreshing…";
+    // set refresh indicator. since we don't poll pskreporter if user doesn't tx we need
+    // a flag to refresh spots once after tx window exceeded
+    g_spotRefreshRequired = true;
     getBuffer(
       `https://retrieve.pskreporter.info/query?rronly=1&lastseqno=${g_receptionReports.lastSequenceNumber}` +
         `&senderCallsign=${encodeURIComponent(myRawCall)}` +
@@ -16045,8 +16049,13 @@ function pskSpotCheck(timeSec)
     )
     {
       spotRefreshDiv.innerHTML = "No recent TX";
+      // refresh spots once after tx window exceeded. flip the flag after that
+      if (g_spotRefreshRequired)
+      {
+        g_spotRefreshRequired = false;
         redrawSpots();
       }
+    }
     else
     {
       spotRefreshDiv.innerHTML =