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The cover of the manual says QDX And QDX shows up several times where you meant to say QMX. I'd recommend a search & replace for "QDX". The image does not match the text on section 4.1 and

Phil, is the lifted pad the thin one that's close to C513, or the thick one that's on the other side of L504?

Hi, I am very tempted to buy and build a QMX. I read about it and I find this group very valuable and some post have excellent advices that should be fixed into a pdf as an addendum to the building

I got the Kanga QRP pocket transmatch assembled from Paul M0BMN and recently decided to try it with the QDX. This little pocket transmatch is an interesting complement to the QDX: it's small, it

Karl, here are two pics of my L401 I took last night, tweaking the coils for the best performance I could manage.? The full board pic was my second attempt at nudging my coils, and gave me the best

Phil, that inductor is part of the TX circuit (near the top of the schematic ( https://qrp-labs.com/images/qmx/manuals/schematics_rev1_a.pdf ) ) Looking forward to hearing you on the air, OM.

Phil, You find it on the schematic, see it feeds the band switching diodes. Remember this when testing. If the 3 diodes have no voltage that will be the reason. 73 Alan G4ZFQ

Scott, This is not incorporated. One way could be to use a UART to provide a serial port with a free input. Not sure, I think the QLG2 will output NMEA? I tried this some time ago with "Toy NTP" it

Hi Daimon, I also have a Google Pixel 6A and I see exactly the same behavior. The strange thing is that just a few days ago it was working fine and I completed a QSO. Now only the first transmission

Into my QMX build. This is about my 7th QRP labs kit. Sure is cramped, but doable. While soldering in the diodes, I noticed that L504, underneath, was “hanging by a thread” - one side of the

Order number?76295 placed on 8/8, got FedEx shipment notice today. ?Bravo Hans and company! 73, Robert, WA2T

Hello all, I recently purchased a QLG2 kit and put it together. It works great, gets a fix quickly and works well with GPSd, with only a single caveat: I can't get PPS timing using the USB port. My

Thanks Ross, wasn't sure if the different position made a difference.? Don't suppose that the LPF position makes a difference, that can be fixed in the setup.? Plan to replace the 80m LPF. Chris

Hello Hans and team! Congratulations on yet another great kit! Just finished building my QMX and it's fully operational and already battle tested during one of the weekly mini cw sprints! In case

"It isn't a "fix" because nothing is broken... Also not a "solution" because there is no problem..." I agree with Hans...I have a QDX V5 I built a few months ago...Over 300 contacts and not a hint of

First check, Buck Converter, had the Q103/Q104 short. easily fixed per Joerg's DB200's method. Order No 75180. Will carry out Chris's G5CTH's stand alone test of the boards. 73 Ian G4GIR

Joerg, Thank you for the excellent assembly documentation and thanks also to the many other folks that have found issues and solutions in building the QRP-Lab kits. To those that have yet built a

Thanks, I will email you some pictures of the board so you can give me your opinion if the assembly looks something done by QRP Labs soon.

No problem if you want me to check something let me know... From my point of view it's not very useful info if we don't know what the builder did between receiving it from QRP Labs and selling it to

Thanks Pawel. Well since the post I have reduced the threshold as low as 50% with no joy. I also tried transmitting from the app disconnected from the QMX and the audio blew my head off on every