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Cliff, Hans and everyone else, that is a good point about the Pi400.? I did not know that it was clocked higher than the regular Pi 4.?? The higher clock speed will make a difference. And I see

Graham, Hans buried the toroid windings pretty far down the original assembly manual because he was showing newbies (YOTA) how to build and solder. Later he moved to the beginning as it is easier to

I have successfully completed a second QMX build. It is for sale as the intended recipient no longer is interested and I don't need two QMXs at this point. (Maybe later for High Band???) Built per

If you do it carefully and right the order doesn't matter.? It is fractionally easier to check some of the windings for in-circuit continuity if in first,? but honestly just do it slowly/carefully

Hans, Yes, the Pi400 runs the CPU clock at 1800 rather than the 1200 used in the standard Pi4. I use it for fldigi as well as Wsjtx. The Pi400 is pretty well maxed out getting deep decoding in

I am running WSJT-X and JS8CALL on Rpi3 with Raspberry OS. JS8CALL works flawlessly. WSJT-X works fine unless the band is really overcrowded. It decodes about dozen signals when there is obviously

Hi Marc It's very interesting... I've never noticed any issues with WSJT-X or JS8Call on my Pi400. Is it faster than a Pi4? 73 Hans G0UPL http://qrp-labs.com https://buymeacoffee.com/g0upl

I have a built by me QMX for sale. Built according to the current build manual. This is 1 of 3 that I have built so far. Current draw and power numbers below: Vin? 12.0V Rx? ? 94 mA 80m? ? 4.7W

I added a little electrical tape between the power connector and the encoder and all is well. ?Made a first contact on 20 meters 599 from pota station on first call. ?Cant ask for more than

I followed the book. The only change I've made (and very helpful!!) was to use different color wires for the multi torroid. Mine was a piece of cake, and still works fine! ....Dave

The distro used on the Pi400 could make a difference. If you're using something like HamPi then it has that BOINC stuff taking over / using up resources which may slow things down. And some of the

I have just obtained from our club "junk sale"!!!!!!? An unbuilt QCX 40m version 3 board (i think) still in the original mailing carton and unopened.? It also has the optional aluminium case and

Thanks Steve, How would you describe mystery audio? Was it like mine a continuous 706 Hz tone? Unfortunately this one hasn't been near the case yet!! I have a binocular headset and Jewelers Loupe,

I wonder if a workaround would be to narrow the filter when the band is busy so fewer signals get through?? Just to reduce the workload on the Pi to reasonable levels?

I am using JTDX on a pi 4 4gb That software demands less of the processor on a slow pc as also the PI 4 then WSJT-x. And when it is busy I put the pi jtdx software on only cq receiving that is helping

Hans and everyone else.? I just posted this a few days ago: /One of the WSJT-X developers posted a note in the last year or so stating that a Pi 4 does not have enough compute power for FT8.? Does

Disregard the photos, wrong ones, looks like Alice is in the puckerbrush. John KK4ITX ?Each mistake is a learning opportunity.?

Don’t know if this helps at all but but WSPR Watch shows this as the location. John KK4ITX ?Each mistake is a learning opportunity.?

Starting with QCX, the first QRP Labs transceiver, the design of the UI was such that as Steve says: you could walk up to it and start operating. You need never go into the menu at all. Just the tune

Hello Simon QMX is a 2023 project. I started it in earnest on 01-Jan-2023. Launched it with the hardware done and basic CW/Digi operation at Dayton hamvention 19-May-2023. Gradually, it is coming