Hi, I've been trying to make APRS (AFSK 1k2 bps) contacts through NO-84 Satellite, and have been unsuccessful in all attempts using UISS and SOUNDMODEM. UISS configured with CQ & ARISS. Incoming packets from satellite decoding perfectly 100% but when I TX, satellite ignore me :( . I've monitored the outgoing audio and adjusted the TX level, with no results. Also I've monitored the outgoing audio and i heard a little audio tone difference between AGWPE and SOUNDMODEM. I tried also with terrestrial APRS digi and it work 80% good using SOUNDMODEM and 100% using AGWPE. Of course everything works perfectly using a hardware TNC. I'm coming to the conclusion that this must be a problem with my SOUNDMODEM settings, because if i use AGWPE, all work fine and NO-84 repeat my packet 100%, without changing anything on the transmitter (TS2000). Similar results through ISS APRS digi, (a little better)

I would like to know if someone use a similar setup with good results.

73 Rocco IK8XLD

www.qrz.com/db/ik8xld