> PTT is definitely the way to go, Tree.
> Why didn't you implement it via the radio
> serial interface? It might not handle all
> situations, but it would save some
> TR users from having to wire up the
I am not sure all radios have PTT available via the serial port.
Also, using the serial interface wouldn't be responsive enough.
Some of the radios require 50 ms or longer to send a command to.
This would add a delay the length of a dah.
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