Jason, This sounds like a textbook example of RFI getting into your computer or USB cable. I had a similar issue on 80m and found that a few well-placed ferrites on my USB cable fixed the issue.
Search for "FT8 RFI" for other folks advice. To verify, try transmitting into a dummy load or at _very_ low power. If it doesn't happen, you've proven it's due to RFI. > On May 9, 2022, at 10:25 AM, W2JDM via wsjt-devel > <wsjt-devel@lists.sourceforge.net> wrote: > > > WSJTX Version: 2.5.4 > OS – Mac Monterey 12.3.1 > Radio – Yaesu 991A > SiliconLabs Driver – 6.0.2 for Mac > > When tuned to 40m (and only 40m), using FT8, the software loses CAT control > shortly after transmitting. The symptoms are that it will hold the transmit > too long and eventually show ORANGE status in WSJTX. It will reset and > reconnect, but not after losing the QSO due to timing issues. This occurs > each and every time I transmit on 40m, including when using TUNE. I want to > emphasize that it seems to ONLY occur on 40m and not any other band. I use > other software that also has CAT control over the 991A and it works as > designed. > > I have also changed the mode to FT4 and 40m behaves normally. It seems > isolated to only when using FT8 and 40m. > > Please let me know if you need any additional details. > > 73 > Jason – W2JDM > > _______________________________________________ > wsjt-devel mailing list > wsjt-devel@lists.sourceforge.net <mailto:wsjt-devel@lists.sourceforge.net> > https://lists.sourceforge.net/lists/listinfo/wsjt-devel > <https://lists.sourceforge.net/lists/listinfo/wsjt-devel>
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