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Well, you were right, in a way. It wasn't the levels. It's that RS-232 is inverted TTL, at least for Elecraft radios. I found a comment to that effect buried in a forum from years ago. But, I learned that FTDI based USB to serial parts can be easily programmed. (And, bricked I'm told.) FTDI offers a ...

That is a good thought, but according to N6KR:

"The input can accept the full RS232 range, +/- 25 V. But 0-5 V will
also work. In fact 0-3 V will work."

I'd think he would know, but he made that comment early on in KX3 production and things could have changed.

I'll keep looking.

I just upgraded the station computer to a new M4 iMac. The previous was an M1 MacBook Air. I had been using using the FTDI serial cable available from Elecraft to connect to my KX3. It works fine, but is USB-A instead of USB-C as used on the more recent Apple, and I guess other, computers. So, I ...

Further update... I've been switching modes between CW and WSJT-X a lot of late, because of the various DXpeditions that have shown up. I'm pretty convinced that the problem I described is not a driver problem. Here's why: When using WSJT-X software, with the Transceiver Control disabled so that ...

Here's a 2023 update. It seems like the clean install didn't really work after all. After a while, whenever I tried to QSY using a spot from the spot window, it took close to 10 seconds before I could see activity on the Elecraft USB to serial adaptor and the radio would respond. I ran out of ...

I tried using 5.10 and the spinning beachball visited, so I reverted to 5.9.1. Back to normal. This morning, I got a notice that 5.10.1 was available in the App Store, would I like to upgrade? It would fix the beachball problem. It downloaded OK and then told me that I couldn't upgrade now. Try ...

Same problem here. I thought it was just me!

WSJT-X is also acting a bit flaky as well since the upgrade.

I now regret upgrading to Ventura since I am lucky enough to have a MacBook Air M1 that I bought just for RUMlogNG and WSJT-X use. No gain with the upgrade, only pain.

Clarke K1JX

I'm having bad luck with this with the most recent update. Normally, I use a MacBook Air M1 for all the logging. I then routinely save the latest log file to iCloud for backup. I do this through normal macOS means, not directly through RumLogNG. I often download a copy of this log directly to ...

The downsides to letting RUMlog control CAT during WSJT-X operation are: * It's slower (some), which puts you at somewhat of a disadvantage when calling a station that has "Call 1st" checked for responding to CQ's. * As I understand it, you can't allow RUMlog to automatically set the mode when ...

Would it be possible to add a check box option to the TX1/TX2 Preferences so that it would be possible to reset the CAT interface automatically when switching to a selected Transceiver setup? I'm finding some occasional glitches when switching between a WSJT Transceiver setup with no CAT control ...