That implies your /dev device isn't part of the dialout group. Look at it and it probably isn't owned by the dialout groupls -l /dev/ttyUSB*crw-rw---- 1 root dialout 188, 0 Sep 22 15:54 /dev/ttyUSB0
If not,chgrp dialout /dev/ttyUSB* Mike W9MDB On Wednesday, September 23, 2020, 08:12:39 AM CDT, DG2YCB, Uwe <dg2...@gmx.de> wrote: Hi Bill and Adrian,Thanks for your replies. Yes, it seems indeed to be a permission issue. When I start wsjtx with sudo, CAT works. However, it is not yet cear to me what is denying the permission, because user "uwe" is already a member of group "dialout". Hm... 73 de DG2YCB, Uwe Am Mittwoch, den 23.09.2020, 13:49 +0100 schrieb Bill Somerville: sudo adduser dialout $USER _______________________________________________ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
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