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Don, Great link to the NASA soldering page! Thanks for that. Very interesting!! Bill NX5AA

https://www.dropbox.com/scl/fo/j0kiml3wmka1a7dm0f6wt/h?rlkey=v5r84o3uneuz6fyoidtwqko1z&dl=0 From K0OG on the JS8Call group.io Andrew VK5CV

http://www.krait-technologies.com/20240227_kt-005.pdf Would be nice if they made it a bit easier to reach out for more info. No contact form or email, and referring one to ebay to use an inquiry form

Hello Hans Thank you for your comments. I will probably not make any optimization attempts because, as you write, there may then be dips in the other two bands. the QMX is the third device you have

This information is very valuable for kit builders. Perhaps it could be made available on the QRP Labs site. Since this is a govt document it is likely not copyright

I just looked at the "QMX and QMX+ startup" wiki page, and I noticed something that I believe is wrong.? It says: My QMX+ has a fault in the linear 3,3 volt power supply.? The supply is putting out

Hi Jim I added it to my list... 73 Hans G0UPL http://qrp-labs.com https://www.buymeacoffee.com/g0upl

Working from examples garnered elsewhere in this group (and linked from it) I've got past messages like: avrdude error: protocol expects OK byte 0x10 but got 0x14 avrdude error: protocol expects

Just for the record: I'd really love KY CAT command too on the QMX! And the USB serial terminal app mentioned somewhere else seems to be a feasible way to utilize CAT cw keying on Android. 73,

Hi Bernd, all On the QMX+, I caution against being too upset if some of the bands have lower power output than others. It's a design of engineering compromises, and not everything is perfect. There

Hmmm, I was hoping the GPS power link was the issue too, but no - I'd fitted it nice and low and away from the sma connector. So I'm still here with a QMX *+* with no Vcc/Vdd voltage and not a clue

Without running an electronics course I’d suggest you confine modification initially to the following Get a good external SWR /power meter and cross check readings with it Take detailed photos

My low band QMX (v1) also had an erratic vfo encoder. Rotating clockwise is fine but rotating CW often results in random results. This is with the latest firmware installed. I suspect the software

Hello Jim I have also just set up a QMX and measured with the terminal application. My QMX runs on 12V as termination I have the dummy load from Hans/Qrplabs I have measured the following power 160m

Three days ago I completed the build on my QMX+ and I'm happy to report it is working fairly nicely. My only disappointment is the low power output on 20(2.9w), 17(2.8w), and 15(3.3w). Those

I am using a TS-480 in my settings at 9600 baud. Use the QMX audio in and out Mark Hogan N5OBC

This is so awesome!? Thanks for posting this as I finally got around to doing it today.? My KX3 died and is back at Elecraft for repairs.? I had been using my trusdx for Vara/winlink, but it falls

..well, tried TS-440S to no avail. Went to the JS8 download page and could not find v 2.2.1 and am running v 2.2.0. My I ask where you got v 2.2.1? Thanks! -- William,

I believe you are correct. Thank you. I will try it and report back! -- William, k6whp -------------------- "Cheer up, things could get worse. So I cheered up and things got worse."

...and the 12-12 on the feed to the radio means I can supply pretty much any DC on the input and not worry about not going over 12v.? I don't yet know how noisy it is, but I can always remove it if