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Hi I have various QRP Labs units for sale. All Rigs built by me and include Enclosures. P&P your choice at your cost. QMX 80 - 20m 2 units available ?70.00 each QMX 20 - 10m ?70 QDX 80 - 20

Thanks Ronan really appreciate that and agree. I was just going through the Ops manual and the rate change was there. I guess it was not implemented. Again, appreciate the info. Please take

Get yourself one of these Knipex 15 11 120 strippers, happiness awaits. Does anyone else remember Stripex/Strip-X? It was a foul-smalling brownish concoction of phenol etc. which was used to

Hi とる, for both 17 m and 15 m LPF2 is in use. It looks like something is wrong there. A high current means a low load impedance towards the BS170. Looking at your sweep results I guess you was

I remember seeing something in the Operation manual about adjusting the CAT poll time for WSJT-X. On page 60 of the latest manual version .... Change the Poll Interval to 10 seconds, the default will

Thank you Steve for your response. I was finally able to get the SWR on the QMX to show between 1.05 and 1.18. I rewound the T507 as outlined here

Yes Allison, I do agree at 10W theu are fine, and can handle a poor mismatch. The death of these unit is being over driven, the amp has high overall gain as it is part of another project the SSB

Okay, resoldered the 6m toroids, got them nice and toasty, the solder flowed nicely. I'm now getting 2.6W output which is broadly in line with everything else. Must have been a bad joint before but

Hello everyone. I'm having a problem with the QMX rev4 12V build and can't solve it. I'd appreciate some advice. I can't transmit on 15m and 17m, and the BS170 gets extremely hot when I do so. At

Quite a few questionably soldered joints on the pics so reviewing and if necessary using rework flux to re solder anything without the correct solder joint profile is a good place to start. Not sure

Hi Tim. It sounds like your radio is working normally. I'm not sure that you can alter the RIT tuning rate. Once you double-tap the "RIT" button, just rotate the "TUNE" encoder to set your RIT

This is the setup - very basic. The attached video shows the fault where the QMX drops out after a short (aprox 4 second) transmission. In this video the "Pulse" when TX begins was not as

It is true, one learns alot by building these. Hopefully Ron will see this. He knows alot about these radios and can be a great help. -- Wayne S. KF7RCM

Hi Tonio, did you solve the problem? today I finished my qmx plus, I have the same problem of the audio tone in reception on almost all bands except, 160-11-12 meters, where receives clean! the other

Nothing has been changed at all..!! I have just updated to the latest Firmware - with no change. But plugging the KX3 in - there is no "pulse" at the start of transmissions. Rob VK5ZIK

Well that surely is odd.? Has anything changed recently like the firmware levels on the QMX 's or the OS's running on your older toughbooks or the versions of WSJT-X or JS8Call? I haven't looked at

Hello, I recently assembled a 20m QCX+ kit (including TCXO and AGC add-ons) and am having some strange problems with it. Many measurements are abnormal and fall far outside what I'd consider normal

One year Dave Yarnes, W7AQK was taking me back to Phoenix to catch a plane home after Ft. Tuthill hamfest. We stopped and operated Bumblebee #72 from Bumblebee, AZ. Fond memories. Doug, KI6DS

On Sun, Jul 14, 2024 at 01:41 PM, M0WAS wrote: > > Hi all, > > Firstly, thanks Hans for a well designed kit, I've been waiting for a > large qmx that I can actually build. I built this over the

My QMX and I have a date with a nearby (NJ) POTA or WWFF entity on 28 July: Bumblebee #77! Thanks for organizing, Jody!