PS:-
Forgot to say...
Flrig 2.0.05.75, built from source on LMDE 6.? (Linux Mint Debian Edition.)
Controlling a Kenwood TS-870s via a "Prolific 2303" chipset USB<>Serial device running at 57600bd.
A Udev rule is configured, so that device reliably shows up to Flrig etc, as /dev/ttyTS870.
Also using DTR for PTT so the radio takes Fldigi (or other digimode) TX audio via the rear ACC port.
RTS/CTS handshaking is in use, as "is required" by the Kenwood.
73.
Dave G0WBX.
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Created on and sent from a Unix like PC running and using open source software: