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[aprssig] APRS on all Radios!!!!

Scott Miller scott at opentrac.org
Sun Aug 17 18:55:01 UTC 2008


> I have yet to understand how the average "joe ham" will inject low 
> frequency audio?  Perhaps using the 9k6 pin on the mini-din?

You still have the problem that the PLL is going to track the 
low-frequency component of the modulating signal.

> I like Scott's assertion that we use straight BPSK data, not vaircode.  
> But we'd need to modify a hardware PSK 31 decoder (like the Nuepsk 
> device) or a PC program to decode psk31 as BPSK not varicode.

I think the decoder should be pretty simple if you know exactly what 
carrier frequency it's using.

Scott
N1VG





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