Feature request: Band select by Tune knob
Hi all, Long press of Select enters the Menu system, displaying "Audio" (or whatever). But while still pressing Select, turning the Tune knob could exit the Audio menu and instead, select another
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Matti OH6BEX
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#144641
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Re: #u4b Deniyap-1 and Deniyap-2 flights
#u4b
That is a great way to inspire wonder and enthusiasm for amateur radio and electronics in general.? Thanks for taking the time from your busy schedule and family to give back to the community Hans!
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Steve
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#144640
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Re: Feature Request List?
Dear Hans, It's absolutely wonderful that SSB is working so well now and I am convinced that the triumph of the QMX(+) will now really take off. If I could make a wish as a CW enthusiast: I still hear
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Simon
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#144639
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Re: QMX+ Assembled, Updated, but ADC I/Q Most Tests seem Way Off
#build
#test
#toroid
#transformer
#troubleshoot
I agree 100% on your wire prep. With all the coil wire joints in the QMX and QMX+ this is critical for a successful build. Mike Krieger [email protected]> wrote:
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Mike Krieger
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#144638
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Re: QMX+ Assembled, Updated, but ADC I/Q Most Tests seem Way Off
#build
#test
#toroid
#transformer
#troubleshoot
I've never had much luck with the "enamel will burn off when soldering" approach. Sometimes it works but just as often it doesn't. I always scrape with a razor blade and give it a few swipes with a
By
Lawrence KC6WOG
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#144637
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Re: Feature Request List?
I would like the bandchanges differently.? Now it is painfull to hop between bands. Going from 15 m to 10 m and then back makes it a lot of double clicks and eventually shuting down the QMX + when
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Martin DK3UW
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#144636
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Re: QRP Labs QMX SSB Firmware Is REAL!!
It's worth watching the earlier parts of Mike's video as well. The rattlesnake he encounters on the way to his park activation is beautiful! -- MC VK1MC [email protected]> wrote:
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mike.carden
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#144635
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Re: QMX + VARA HF for Winlink
It is really easy. Just connect an USB-cable between your QMX and PC. An soundcard (QMX-soundcard) and new COM-port are added automatically. In VARA you choose the QMX-soundcard for input and output.
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DH1MFS
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#144634
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QRP Labs QMX SSB Firmware Is REAL!!
Thanks Mustafa TA2MUN for sharing this one with me! The enthusiasm is so infections, might even get ME on SSB eventually! https://youtu.be/P09N-t1U1-E?si=xLUi5bMmboDOEnrL&t=396 73 Hans G0UPL
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Hans Summers
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#144633
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Re: QMX+ Final failure on 12m
An 'open' in the LPF (not just a short) may also cause this problem, and is a common assembly issue.? ?Does the LPF sweep for 12m in the Hardware tests give a proper response?
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Stan Dye
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#144632
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Re: Heavy ssb tx distortion
The QMX does not have an internal mic preamp circuit,? so a low-sensitivity -50dB mic element will perform poorly.? ?When you turn up the mic gain enough to get a proper amplitude,? the noise will
By
Stan Dye
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#144631
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Re: QMX+ Assembled, Updated, but ADC I/Q Most Tests seem Way Off
#build
#test
#toroid
#transformer
#troubleshoot
Yes, you can run T (TX) from diagnostics screen. SWR doesn't mean anything if there's no output power. I had a bad joint at the L502 (which all output goes through) and after fixing that, saw 3-5W on
By
Andy Dawes N7LFO
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#144630
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Re: QMX + VARA HF for Winlink
Could you share your settings with us? ?Where did audio output from QMX go? ?Are you using VOX for input? ?Any help would be much appreciated.
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Grant Greenwell
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#144629
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Re: Firmware 1_02_000 - Need help to upload
I second what Richard says. Some QMX/QMX+ units fail to independently restart at the beginning of the firmware update process, and also sometimes after the firmware is loaded.? Just power it on
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Stan Dye
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#144628
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Re: Why I think QMX Calibration Kills PA
Yes, I had the same thought. At any rate, whatever transistor is in there, I don't think the glitches are doing any good. Tony AD0VC ________________________________ Sent: Monday, May 5, 2025 7:09 PM
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mux_folder2001
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#144627
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Re: Why I think QMX Calibration Kills PA
I¡¯m surprised the TN0110¡¯s didn¡¯t fry¡ [email protected]> wrote:
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Tony Scaminaci
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#144626
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Re: Firmware 1_02_000 - Need help to upload
In Windows my QMX+ shuts off, then I power it back up and it appears as a window/drive. I then drag and drop the new file into that window and when it finishes the qmx+ boots up.
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Richard Dyer
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#144625
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Firmware 1_02_000 - Need help to upload
?I am having trouble uploading the newest firmware ?to my QMX+. In "Upload Firmware" window on the QNX+, I click the tune button when "Click Tune" appears, and the QMX screen goes blank, as the
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Hirokik
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#144624
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Re: SSB Calibration !!!! ?
If you want someone to test/repair it for you, the one to contact is Jeff, W1NC.? ?His email is good on qrz.com If you are handy with a multimeter and soldering iron, we can try to help you
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Stan Dye
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#144623
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Re: Release of version 1.2 of ABS solution for QMX+ (Automatic internal antenna tuner, internal battery and internal speaker with audio amp)
#ABS
#ATU
#PSU
#QMXplus
This is my approach, I insert? my QRP-O-METER after the radio and switch in its bridge when running the tuner. 73, Don N2VGU
By
Donald S Brant Jr
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#144622
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