Well, I'll be danged. I been using my RASCALS for 3 or 4 years now on FSK with my TS-450's and FT-450 on 45.45 and 75 baud. Heck of a time to find out they don't work FSK. 73 Tom W7WHY >As for competing products, Signalink and Rascal are out because they >don't do FSK (yes, I am the purist mentioned in the FAQ on the >Signalink site).