I obtained and tried a few good well-shielded and ferrite-beaded USB-C cables but the situation has not improved. The combination works after several resetting and restarting but then suddenly tx no more though rx keeps working. I tried Windows 10 version of WSJT-X as well as MacBook version, but the combinations behave in the same manner. It works a while then tx stops.
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Any idea?
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Hiroki AH6CY?