I having cat connection on my Steam Deck running kde linux. to a xiegu x6100. I can decode without problems so I know input is correct. However, I cant get passed the test cat without error.
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Timothy Hubbell KT9TIM

What error are you seeing?

Are you using the X6100 entry?

Please place this file as described below
https://www.dropbox.com/s/t52ngcalsgnpm8m/wsjtx_log_config.ini?dl=0


    C:\Users\[username]\AppData\Local\WSJT-X
    The WSJT-X_Rigcontrol.log file will be in the same location


For Linux put it in  
    ~/.config
    The WSJT-X_Rigcontrol.log file will be here:
    ~/.local/share/WSJT-X


For MacOS put it in
    /Users/[username]/Library/Preferences
 
Restart WSJT-X and duplicate the problem.
Shut down WSJT-X


Then send me the WSJT-X_RigControl.log file
Mike W9MDB