+23Dec00=======================================================================
+1. don't route anything back down the channel it came from.
+18Dec00=======================================================================
+1. fix double printing of DB results
+2. add new style filtering for WWV and WCY to complete the set
+3. got the field nos right (hopefully) on Announces for filters
05Dec00=======================================================================
1. fix frequency hinting routine so it correctly handles things like 'on 23cm'
where digits are the 'wrong' way round.