Adding APRS weather info and other APRS improvements.

owrx/aprs/__init__.py

@@ -148,7 +148,7 @@ class AprsLocation(LatLngLocation):
 
     def __dict__(self):
         res = super(AprsLocation, self).__dict__()
-        for key in ["comment", "symbol", "course", "speed"]:
+        for key in ["comment", "symbol", "course", "speed", "weather"]:
             if key in self.data:
                 res[key] = self.data[key]
         return res

owrx/audio/wav.py

@@ -85,6 +85,7 @@ class AudioWriter(object):
             file = self.wavefile
             self.wavefile = self.getWaveFile()
 
+        # if previously open file exists...
         if file is not None:
             file.close()
             tmp_dir = CoreConfig().get_temporary_directory()