[aprssig] Low band APRS (was Re: 9600b UHF APRS IS THE FUTUREOFAPRS)
Robert Bruninga
bruninga at usna.edu
Tue Oct 10 17:09:13 EDT 2006
> One thing that quickly became clear on 30m was that 200Hz SSB
> tone spacing
> requires a very precise oscillator. For unattended APRS
operation at
> 30m you're talking 1 or 2ppm accuracy. At 10m you'd have to
do even
> better.
I was thinking in terms of 1200 baud. That makes the frequency
Tolerance much less and also lets you use any-old TNC. I think
1200 baud is legal on the 10m band?
Bob, WB4APR
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