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Hi Stan, Thanks for the tip. I did have a go at messing around with the band config for 20m but I was trying to get a plot similar to the examples rather than aiming to get a complete run. Could

Stan, Many thanks for this. It makes complete sense in my head. Can you give me a clue as to which direction you changed the band sweep values? Ellis

Thanks Curt. it was all on dummy load. I’ve not transmitted SSB on an antenna yet! Ellis

Sorry. Most importantly. No heat. No smoke.

Hello. I was using my QMX on 40m and 20m FT8 with a known good antenna and computer connection, successful QSOs, and no SWR lock outs or other signs of issue. The QMX screen went to all backlight

In my case it seems that editing the tcxo down 2 Hz causes the audio dropout. Returning to 25Mhz instantly restored things !! Yes I am running the SSB beta 1-00-03 firmware. de VK6XT

Good chance the SWR was accompanied with common mode current on the connection(s) to the PC which could cause connection loss (and worse) Sort the antenna and ‘ferrite up’

The S can re removed, and transmission resumed by visiting a menu, AIUI any menu.? the same thing may work for restoring CAT. Chris, G5CTH

After a factory reset my QMX+ runs fine for hours running wspr. If I attempt to change parameters through the front panel...turn on clock...dot delim etc it will lose audio connectivity to wsjt and

Thank you Stan! I did as you said and now I have Terminal and my PTT is enebled! BR/Sergey UB3AZK

I have exactly the same problem after updating the software, the radio stopped receiving, I can hear noise.

My radio generated an SWR alarm after WSJT-x briefly transmitted on one of the "receive only" bands during band hopping. Whilst this is a very desirable traits, I discovered that it was no longer

I am having the same problems de VK6XT

Yes, they are also a slightly different shape.? And made with a completely different manufacturing process and material, a ferrite blend, rather than the powdered iron typically used in the other

When you turned it off and back on, did you do it with the switch on your power supply, or with the QMX front button? Your symptoms are that you now have an internal power fault, which prevents the

Oops, I wrote too quickly again.? In your case it could also be something else.? A voltage very near your 7V input should be appearing at VI of IC101, rather than the 5V that you see.?? Check

I was just building a microphone for the qmx and then I plugged it into my power supply to test it. I on purpose to turn the voltage down from 13.8 and then turn it on. It worked fine but I needed to

Stan, This seems to have worked for me. Thank you! It took some time playing with the limit/center values to fix 17,15,12, and 10 meters. 160 and 11 are still broken but I don't use either of

Sorry for my previous message (now deleted).?? Ludwig's value was correct, as always. After removing the SMPS cards to test them, as Ludwig has recommended, also measure the resistance between Vcc

I'm very glad you got it working! I'm very sad it failed again. When pushing the card into the bottom enclosure, we almost always 'torque' the front panel a bit.? This could cause the connectors to