TAsk #11473: Exit with error when no rotation value found for station

MAC/Deployment/data/Coordinates/calc_hba_deltas.py

@@ -26,7 +26,8 @@ def getRotation(station, anttype):
     if record != None:
         rotation = float(record[2])
         return(rotation)
-    return(0.0)
+    print "Could not find field rotation for station",station,anttype
+    exit(1)
 
 ##
 def getRotationMatrix(station, anttype):