QRQ CW OPs - minimize CW ELEMENT spectrum splatter when transmitting QRQ CW on your RIG - with this:

[Chuck aa0hw]

1. send AFCW MODE

2. use this GSTREAMER BANDPASS FILTER between your CW KEYER's audio output and the RIG's LINE INPUT
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gst-launch-1.0 jackaudiosrc ! queue ! audioconvert ! audiowsincband mode=band-pass lower-frequency=600 upper-frequency=800 length=700 window=hamming ! audioconvert ! audioamplify amplification=1.025 ! audiorate ! queue ! jackaudiosink

CW KEYBOARD used in this video demo is the
AD5DZ CW KEYBOARD
https://github.com/recri/keyer