Plugger Lockett <[email protected]> writes: > Ah of course. Thanks Keith, I didn't even consider the digital telemetry > side of the equation from an Altus hardware perspective. > > I also didn't realise you implemented a separate RDF beacon, I just always > assumed the tones I heard over my handheld were the digital telemetry > strings.
Nope .. on an FM receiver, the 38k4 GFSK data packets are at most a "whoosh" sounding increase in the noise floor. Keith does "practical magic" to make the digital radio transceiver generate audible FM tones for both the RDF beeps and the APRS packets. Bdale
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