High Calibration Tone

[jmkristian]

Please add an option to transmit only the high tone (2200 Hz) of 1200 bps data, for the purpose of calibration with devcal or by ear.

On Sun, Dec 13, 2020 at 04:44 AM, Behemoth the Cat wrote:
I modified direwolf.c, so it could play both 1200Hz and 2200Hz separately in addition to what option -x does (alternating 1200/2200Hz tones - this will not work with devcal).

[jmkristian]

On Tue, Dec 15, 2020 at 12:54 PM, David Ranch wrote:
Yes, summarizing all this, it would simplify a lot of things if Direwolf's calibrate feature could be enhanced to say:

• Have one command line option for sending the MARK only tone
• Have a different command line option for sending the SPACE only tone
• Maybe have another command line option to offer user interaction to toggle between the MARK, SPACE, and alternating MARK/SPACE tones (like how the KPC3+ does it).

[jmkristian]

Pull request #305 would resolve this issue.

[wb2osz]

This is now in the dev branch.
It's a little more general because a radio channel can be specified too.
Thanks for the suggestion.