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[aprssig] Fill-in Digis

Andre PE1RDW aprs at pe1rdw.demon.nl
Sat Mar 25 14:46:42 UTC 2006

Robert Bruninga schreef:

>I would assume that all schemes wait until end
>of DCD and DCD works on valid bytes, not just
>flag bytes...  So there should be no key up until
>actual end of packet (even with multiple frames).
A true DCD detect tones not bytes, we are talking level 1 here, bytes 
have no meaning, that is level 2.
Some DCDs might detect any tone others detect 1200 and 2200 Hz (in case 
of 1200 baud afsk).

73 de Andre PE1RDW

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