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A 5w penalty on a QRP rig is quite a handicap!!! I had some odd receive issues the other day and it turned out to be a bad BNC connector.. so small hidden things can really mess with your audio.

Hi Hans, great to have the SSB firmware now! There might be a little bug in the calibration. If you go straight to the calibration menu via putty and press "R" nothing happens. "O" works as it

The jumper settings for the 2 options are shown on the main ultimate LPF page of QRP-LABS: https://qrp-labs.com/ultimatelpf.html About 2/3 of the way down the page, it shows the same information as

I'm running my 12 volt built QDX with 6 volts. The output is less than two watts and I'm putting that through a 15 DB attenuator into the 10 watt amplifier that was built for the QSX. It is happily

Always feels nice to clear the decks, check off the box, retire an outstanding obligation. And: 95% convergence? The QSX is not retired; you just released v.2 and called it "QMX+"! This is definitely

Yes, I agree with you that this is probably the case. I no longer feel that anything changed in the radio....something changed externally in a cable connection or junction. I am working on it, but the

Congratulations on going for the gusto with a public release! SSB isn't my thing (so far), but I'm delighted to see this terrific radio continuing to grow in its capacities. And, Hans, looking

Congratulations, Hans. SSB has been a long time in preparation, and I have been keeping my fingers crossed for so long that tbey risk being permanently bent. I will download the software

In 1976 Heathkit released the HW8 kit for $139.95. That was what got me interested in QRP as a new ham. The QMX is a dream by comparison, and your documentation has enabled me to learn a lot more than

Hi Simon The CAT commands in QMX should work with SSB. The mode number for USB is 2 and for LSB is 1 (for use with the MD command). FW command will return the correct name of the filter bandwidth

Update. I routed my microphones to the QMX to try the SSB but may have to wire up a PTT. I expected FLRIG to be able to key the PTT as it does on CW and DiGi but apparently not. Leaving aside that

Hans, Thank you for your hard work.? I am looking forward to testing SSB on the QMX+. Note:? There is a type on the webpage: *** Download *** The SSB firmware download is firmware

It's a beautiful thing, Hans. -- 73, Dan - W2DLC

Thanks Hans, wise observation, and the huge results on QMX are really more than enough to let us understand the reasons. One humble request: if this is the closing thread about QSX, could you post

Many thanks Hans, I thought I would give it a go (despite being CW only operator), some initial observations: Using putty on Linux to tell QMX+ to go into bootloader, mounting the USB "disk" and

Hans, Congratulations, a very welcome addition to an already incredible transceiver. Looking forward to hearing operators experiences. It's been truly inspiring. Many thanks, Gary G7TOK

Thanks for all you do. I am excited to see what the future holds for QMX+ Mike Krieger [email protected]> wrote:

" tune by using the menu Hardware tests -> Tune SWR, and pressing the menu button to transmit/tune.? This uses the 50% tuning voltage (1/4 power), and does not trigger protection." -What Stan says -

Hi all I hereby officially retire the QSX project http://qrp-labs.com/qsx which was started in 2018 and aimed to provide a low cost, high performance multi-band multi-mode QRP transceiver. QSX was an

Well done Hans! Not an SSB op here, but I am very happy to see the Beta SSB firmware finally out, as I know how much effort you have put into it. I am sure you will get plenty of good feedback from