Stopping WD on the pi4 produced this:
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pi@ON5KQ-Pi4:~/wsprdaemon $ ./wsprdaemon.sh -z
wsprdaemon.sh Copyright (C) 2020  Robert S. Robinett
This program comes with ABSOLUTELY NO WARRANTY; for details type './wsprdaemon.sh -h'
This is free software, and you are welcome to redistribute it under certain conditions.  execute'./wsprdaemon.sh -h' for details.
wsprdaemon depends heavily upon the 'wsprd' program and other technologies developed by Joe Taylor K1JT and others, to whom we are grateful.
Goto https://physics.princeton.edu/pulsar/K1JT/wsjtx.html to learn more about WSJT-x

./wsprdaemon.sh: line 220: 28169 Killed                  python3 ${KIWI_RECORD_COMMAND} --help 1>&${KIWI_RECORD_TMP_LOG_FILE}
Currently installed version of kiwirecorder.py fails to run:
Found unknown error in ./kiwiclient.log when running 'python3 /home/pi/wsprdaemon/kiwiclient/kiwirecorder.py'
pi@ON5KQ-Pi4:~/wsprdaemon $
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