[aprssig] 9k6 Packet SDR
aprs at pe1rdw.demon.nl
Fri Mar 7 07:06:57 CST 2014
op 07-03-14 00:23, Chris Moulding schreef:
> Yes, it's quite easy to run a SDR receiver for APRS for VHF 1200 bd or
> 9600 bd or HF use with 300 bd AX.25 or APRS over digimodes with APRS
> You can move the received audio over a virtual soundcard to Dire Wolf
> or UZ7HO sound modem with Virtual Audio Cable or VB-Audio virtual cable.
> One thing to consider is the latency through the SDR program and the
> virtual soundcard. It another station with a conventional receiver
> receives the same APRS packet it might igate it before your SDR
> station. If you like comparing station stats on APRS.FI or similar
> then it may give a misleading indication of performance.
> Chris, G4HYG
The delay might actualy be a good thing, a recieve only igate can't gate
messages back so should never get priorety over a normal igate.
73 Andre PE1RDW
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