Using PL tones on the the1200bps AFSK modulation version of APRS not
only works but is apart of the specification called "Voice Alert":
??
I've never read about it being used on 9600bps FSK signals but I can
see how it wouldn't work there.? Generally speaking, 9600bps APRS
isn't very common for many reasons.? Read this for more details:
??
--David
KI6ZHD
On 08/10/2023 07:41 AM, MARINO MELONI
via groups.io wrote:
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Yes, you are right, when transmitting APRS, you should
not use any subtone, as this cause disruption on the modulated
1200 or 9600 baud tone that are use to transmit the APRS signal.
