Love(d) this kit, while it was working ;-) Still love it, but I'd love it more if it wasn't hard stuck in bootloader mode. Got the kit last week, put it together slowly over a few days. Completed Tues

Hi all, Don't forget: next Monday March 27th will be the next QCX Challenge. see all info on https://www.qrp-labs.com/party.html For our European friends, don't forget we will have changed to summer t

WB6RER-2 32" Yokohama U4B on 10m was launched at 15:36z this morning from Golden Valley AZ. Was a great zero wind morning and we had pretty much a vertical launch. We are seeing it's location by grid

I there anyone who can repair a QDX? I have blown Q7 and possibly something else. Is there anyone who can repair this for me? I would be happy to pay for the repair.

I have only been using WSJT-X for many months and wanted to get back to JS8Call and PSK31. I am using "Build a Pi " 64 bit OS with all updates. 1) I solved the pi's USB recognition issue of the QDX by

Hi! I am new to this group and after seeing a lecture at the RSGB convention and having a few conversations with Hans G0UPL I have just bought a QCX mini and wanted to make this community aware of a r

It appears that you should enter your callsign in capital letters in the U4B balloon tracking page setup. In the attachment below you will see that the red marks around callsigns (in lower case ) did

I recently changed my password on my QRP Labs shop website. I have received emails confirming the change and I went on and ordered some items and received the email confirming the order. That was 20-f

Hallo zusammen, Leider wird mein QDX-Transceiver zur Zeit nicht von Windows 11 und Windows 10 erkannt, obwohl dies früher funktionierte. Ich gehe mal davon aus, dass es wohl im Gerät irgendwas gehimme

I have decided to make some of the external clock reference interface boards for the QDX, both the direct and the clock-multiplier versions. Also I will have replacement QDX back-panels so we won't ha

Hi all Has anybody tried powering a QDX with three 18650 LiFePO3 cells? The fully charged no-load voltage is about 12.15 VDC for three in series, and a partially charged voltage around 10V. I'm thinki

So I just got done with my first build of the QCX Mini on 40m. So far it passed the smoke test. I did add on the TXCO and I was not sure about the AGC module as I could not find any reference at the t

Hi , I’m new to this QRPlabs group.io and also new user of Progrock2, I have some experience on former Progrock. Can anyone answer that question : The current supplied to Progrock2 is between 45mA and

I've put together a PIN-diode based radiation counter for balloon launches. My prototype in the photo, built on 0.050" sq., 0.8mm grid board, weighs 6 grams. This is loosely based on a design put out

[image.png] That's it, other than the 40M Hamstick on the rear bumper and a qrp tuner, which could be replaced with a cheap manual tuner. That's an On The Go (OTG) cable on the cell phone. Swapped mes

…I totally forgotten how to enter and save messages into my QCX-Minis. Please don’t suggest I “red the manual” because I have it open in front of me — and still can’t figure it out. I did it successfu

Hi all... Wanted to put out the question, to Hans and others, in case it's not already existing somewhere, of what one can do, or would want to do, to "bring forward" the earlier PCB versions? I have

I am building my QDX (Board 3A) right now. I am curious about toroid winding. Has anyone experienced trouble if one's toroid is "untidy", i.e. one or two loops are not tight to the ferrite? I assume t

I need help with a broken QCX-mini. I built a QCX-mini 20m back in December and everything was going great until I lost all RF power output. The radio functions normally, it receives well, tunes well,

I just finished building the QDX, my third or fourth qrp-labs kit. Receive is working perfectly. The led pulses on transmit and I can hear the tones on another receiver. However I don’t see the slight