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Hi Dj Yes I agree, I'm having fun with it too! I am using Pat pn a Pi400 with ardopcf and I have had no trouble at all contacting my nearest server LZ3CB 635km away on 20m multiple times per day

Hello all, My QMX suddenly shuts off at around 10.5V. Is it normal ? I can't recreate it but last summer I think had it giving me high voltage warnings when in fact, voltage was low even if I didn't

I recently received my assembled QMX+. It is a very neat transceiver, well designed and nicely built. I have played with the USB, reading the IQ samples from the 20-bit, 48-kHz ADC. The QMX+ is in CW

If you are getting more than 5 watts out on any band that you use a lot, then I recommend backing off the input voltage a little to relieve some stress on the finals. -- 73, Dan - W2DLC

Yes and no. The mid-band QMX (and high-band QMX) has a LPF for 17/15 whereas the QMX+ has a LPF for 20/17/15 so it will be a little more 'fiddly' to get even power output on all 3 bands, IMHO. GL

Wanted to hop on here and report a successful exchange of messages using Pat and the ARDOP protocol on a Raspberry Pi 5 with the QMX+ running the 1_01_002 software. Thank you Hans, this is

Hans, Each time you update the Beta, please pin the latest to the top and unpin the obsolete ones. Or just pin one thread and edit the thread name. Thanks, Incoming SSB Coffee!!! Robb K5RAB

Yes it's the same, I just tried it, and the two radios work fine with the same mic. Joel N6ALT

Hoorah.Gets more done before breakfast ..Stunning achievement. FB Hans.? GREG KI4NVX? Yahoo Mail: Search, Organize, Conquer On Fri, Mar 21, 2025 at 10:52 AM, Hans Summers via

Hello John Yes, I believe you are 100% correct. Much of it could indeed have been released piecemeal as releases in their own right. And yes, I also don't know where I found the endurance to push

I haven't loaded up the firmware implementing SSB on the QMX (I don't have an antenna at the moment so no HF for the time being) but I've looked through the documentation. It's an impressive list of

Hello Martin - in my opinion, this should show 7020 kHz, VFO A. Or are VFOs per Band? > Currently, VFO's are per band. 73 Hans G0UPL http://qrp-labs.com https://www.buymeacoffee.com/g0upl >

Hello Mario The way the calibration works, is indeed by operating the receiver at the same time as a test transmission. If the receiver is not working then it could well cause the calibrations to

Happy to report that I was able to get my QMX updated and running with no issue, and after troubleshooting a mic wiring issue, I was able to be heard clearly on a WebSDR in Ohio from my location on

I had a Pacific Antenna mucrophone for the KD1JV Survivor...? I rewired it to the QRPLabs pinout and it seems to work just fine. https://www.qrpkits.com/microphone.html

Hello Darrell This bar and dots under the 'A' only applies to Digi mode. But I agree it would be useful in SSB mode when the USB audio source is selected. I will add it... 73 Hans

Hi Nate Yes that's a bug in the default configuration, which set it at 100. It should be 99 which would within range. It's safe to ignore it, it makes negligible difference. But I have amended for

Hi Stan I made a note that audio should be turned OFF during calibration. I don't think it is necessarily an issue. What you hear are the 3rd, 5th and 7th IMD products, not the two tones (700 + 1900

It won't hurt anything if you have them reversed, just won't work properly. An easy way to tell is to put an ohmmeter on the tip and ground of the plug and then click the PTT button to see it the

Yes. I have a microphone wired up that way and it works. And, Adam updated the image and now also lists the QMX. It does not get any more official than that. -- Karl Heinz - K5KHK