From d00ba6d9ec341a2dba248599075191e215d02b66 Mon Sep 17 00:00:00 2001
From: Jeff Laughlin <jeff@jefflaughlinconsulting.com>
Date: Tue, 27 Sep 2016 14:06:05 -0400
Subject: [PATCH] improve adif error handling

---
 hamtools/geolog.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/hamtools/geolog.py b/hamtools/geolog.py
index fd12e03..9fe5a9d 100755
--- a/hamtools/geolog.py
+++ b/hamtools/geolog.py
@@ -168,7 +168,8 @@ class Log(object):
             except KeyError:
                 pass
             self.qsos.append(qso)
-        self.callsign = qso['operator']
+        if self.qsos:
+            self.callsign = qso.get('operator', None)
         return self
 
     def _georef(self, callsign):
@@ -189,6 +190,9 @@ class Log(object):
         if not drivers:
             raise Exception("No georef drivers")
 
+        if not self.callsign:
+            raise OperatorGeoRefFail("Unable to determine op callsign from log")
+
         try:
             self.lon, self.lat = self._georef(self.callsign)
         except GeoRefFail: