Yes Dave, I have a a very effective algorithm in TLF to detect US callsigns which I can use :) Rein > > Don't forget at add "AAA-ALZ" to those other prefixes. Agreed on the > "ludicrous" opinion, too. It's almost as bad as the so-called "Digital > Stoneage Petition" that was before the FCC a while back. It's time for > regulation by bandwidth, and anything that fits in a certain bandwidth > should be acceptable. > > -- > Dave AF6AS