+23Dec00=======================================================================
+1. don't route anything back down the channel it came from.
+2. and, in the process, fix some silly errors in routing converted rcmd PCs
+3. changed all occurrances of 'freq' in filter help to 'on' and corrected
+some errors (eg freq/ssb).
+4. added latest admin manual.
18Dec00=======================================================================
1. fix double printing of DB results
2. add new style filtering for WWV and WCY to complete the set