[aprssig] APRS on all Radios!!!!
bruninga at usna.edu
Sun Aug 17 15:00:35 EDT 2008
> Since many repeaters use PL tones, I can
> see how a low tone might get in the way
> of any given PL tone....
No, this is in addition to PL. If a user sends regular PL, then his repeater operats normally. If he sends APRS data at XX HZ, then this also triggers a UNSQL output to bring up the repeater. The normal PL and this APRS DPL detector are -ORED- to the repeater transmitter keying...
> I have yet to understand how the average
> "joe ham" will inject low frequency audio?
> Perhaps using the 9k6 pin on the mini-din
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