[aprssig] New experimental GMSK version of APRS Messenger

Bill V WA7NWP wa7nwp at gmail.com
Wed Aug 11 12:51:21 CDT 2010

I wonder if the Smallwonder PSK rigs would work for APRS Messenger.


We might have to tweak the expected frequency usage a bit but it would
give a nice simple rig to use.

Bill - WA7NWP

> I've just released an experimental version 2.71 of APRS Messenger.
> It now has HF APRS over PSK-31, PSK-64, PSK-125, PSK-250, GMSK-31, GMSK-63,
> GMSK-125 and GMSK-250 using the MMVARI sound card engine.
> The GMSK modes are of interest because unlike PSK they can be transmitted at
> full power on a SSB transceiver.
> There may be the odd bug left in the program but it's worth a try especially
> with the new high speed options and GMSK.
> The webpage is http://www.crosscountrywireless.net/aprs_messenger.htm
> 73,
> Chris, G4HYG

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