+23Jun04=======================================================================
+1. Add zone, by_zone, itu, by_itu, state and by_state searches to sh/dx
+22Jun04=======================================================================
+1. Add the show/mydx command which *may* filter your spots using your
+spot filter.
+17Jun04=======================================================================
+1. alter processing of PC17 to see if they get distributed more than now.
+14Jun04=======================================================================
+1. fix previous fix of sh/dx
09Jan04=======================================================================
1. removed PC90 which was breaking various filtering things.
2. added realtime spot formats to sh/dx (at least in basic form), this is