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Hi Mike, I just checked my 40 meter QCX-mini connected to a 50 ohm dummy load and I do in fact hear spurious signal on 7.052.00 and 7,143.65 MHz but not the other ones you mentioned but I do hear

I have 2 that I built into GPS synch'd clocks with the QRP-Labs clock kit. I have another that is connected to my Win10 computer with a serial TTL to USB

Al. It gives 2 outputs: a one pulse per second signal (very accurate!) and a serial data stream which contains time, date and navigation info such as location.? It's used with various other

It is a gps that outputs a standard text string of gps coordinates as well as a 1s pulse via a serial connection on the right side of the board. The documentation on QRPlabs website is fairly

I bought a finished QLG1 GPS at a Hamfest last weekend. ?It seemed like a good deal at the time and I bought it in part because it had the magic QRP LABS name on it. ?But, at this point I really

Hi Hans It is the original QCX Case I am looking for, not the boards. I have 6 classics built in plastic Chinese cases for desk use and they function perfectly in the shack. I was wanting to

Actually, NO, this probably needs to be an 'external' group-project with boards/semi-parts kits (JBLC, FAR Circuits) - stay tuned!

Hi Bob, I think you have a good understanding of the limitations of working above 112.5 mhz where you need to use a fixed output divider of 4,6, or 8.? Finding the correct denominator is what Hans

Hi Paul, I just looked at your website and learned about the NB3N502.? Because of the concern about spectral purity that Hans mentioned, I'm thinking of using this chip.? I'd divide the 15 MHz by 2

For anyone else who has fun hacking and changing things up, I have a QDX and 50w amplifier setup with auto-switched LPFs up for sale.? It could use a nice metal box to hold everything but I didn't

Great, I am glad you got that sorted.? You are more likely to have a long-lasting QDX at this point.

That wire should work fine for T1 Samantha. Good luck. 73… Ron wrote:

All, I had a chance to look at PTT on this AMP and the QDX as a pair. It works as intended! Here is some info if any are curious. From the Micro PA50 Listing: From the QDX Manual: My updated QDX

Works fine as well. I didn't realize it was there, but no issues. Just had a QSO using it. 73, Cliff, AE5ZA

What about when the QRP QCX/QDX is selected?? It's there in 2.6.1 Mike W9MDB

I managed to incorrectly two of the windings on my QCX (40m) T1 and have had to remove it. I only have .25mm magnet wire. Will this be OK or do I need to order .3?? Many thanks Sam 2e1oct Samantha

Hi Gerry If nobody else can help out... I do have something like 10 built original QCX boards in unknown operational state and I could try and find a working one. 73 Hans

Not I, Mike I'm out-of-lab until 06-Feb. 73 Hans G0UPL http://qrp-labs.com https://www.buymeacoffee.com/g0upl

Hi. I am looking for an original QCX CLASSIC case if anyone in the UK has one they are not using. Regards Gerry G4OJF

Go to the QRP Labs website and select the QDX. The the left hand column under QDX you'll see a link to the troubleshooting guide. 73, Cliff, AE5ZA