Thanks for your help! Did the mod to the Pro-83, but I can't seem to get it to decode very well. I have tried two different computers (both running XP) and I only get sporatic decodes - the "Health" is usually at zero, never climes above 5 or 6.
I have tried several different site control freqs, the signal is OK here, I think it should be strong enough to decode, but I don't have a quantative measurement (no S meter on the pro-83). I also have a Motorola XTS 2500 that is affilliated with the system and it has no problems whatsoever... RSSI 79 from the "Stanley" site as I type this - four "bars".
Any suggestions? I fiddled with the sample freq and size and little difference. Didn't see much else to adjust!
P.S. - I do have a HP 8924C I can use as the signal radio if needed, but I'll have to move it (heavy) as it's downstairs and doesn't have an external antenna that I can hook up to it. It doesn't hear the sites to well where it is - too much white noise. At least I can make measurements on it!