Another woops fix

package.nw/lib/gt.js

@@ -15682,7 +15682,7 @@ function pskSpotResults(buffer, flag)
               report.grid = grid.toUpperCase();
               report.mode = mode;
             }
-            if ("receiverCallsign" in json.receptionReport[key])
+            if (typeof json.receptionReport[key].receiverCallsign != "undefined")
             {
               report.dxcc = callsignToDxcc(json.receptionReport[key].receiverCallsign);
             }