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High James, Have you verified the LPF diode switches?? ?I would start there. 73 Evan AC9TU

Hello all. I've completed a revision 3 12v low band QMX and running into some issues. I've searched all over the group for hints but just can't find the exact combination of what I'm

I’ll take it! Mark N8MH

I have a QMX transceiver kit for sale. ?Shipped to me this last August. ?Has enclosure, dummy load and power cable. ?This is all new in the box. ?$129.00 includes shipping to 48 conus. TU, Bob.

de Chris W3PB

Hi Roger, An alternative to changing the QMX is to mod the 50 watt PA.? The current requirement comes from the LED indication that a PTT signal has been triggered.? If you change the supply to D12

Thanks for the replies.? Yes Bojan, after looking at the circuits in both I came to the same conclusion that R210 must be a lower value..? I was hoping not to have to open the QMX to make mods but

I have similar problems with FW 1_00_017 on 20-10m hardware. When I enabled Japanese limits, it does transmit on 20m band but not for any other bands. It seems no RF signal on CLK2 but TX control is

Have you tried reflashing the firmware to see if it is just a software glitch?

I mean use a little bit of glue to hold the diode to the point of the cocktail stick.

I’d use the soldering iron with small tip, you’re soldering across the pins of an existing transistor and that will move with hot air gun. Firstly “refresh” the existing solder joints on the

I need to do the add a diode mod to my QMX Rev 2.? I want to use an SMD diode but have little experience with SMD soldering. And this part is tiny! What's the best way to do this? I have a hot air

Most hams eventually discover that a good, dead cheap, quiet, RF proof, fail safe, reliable power supply is only available as a gift from a generous friend ??

Hi Roger, I had to add a 100R resistor parallel to the R210 in the PA +5V PTT line to get reliable PA switching. -- 73 Bojan S53DZ

REV 1 factory assembled ??? es vy 73 de "baab" w9ya

Four things that got this working for me OM: 1) Select the Kenwood TS570 at 9600 baud, 8 -n-1, usb plus cat in the Settings window of FT8CN. 2) Be sure to set to "Lockd TX=RX" immediately to the

I have a QMX transceiver kit for sale. ?Shipped to me this last August. ?Has enclosure, dummy load and power cable. ?This is all new in the box. ?$149.00 includes shipping to 48 conus.

I have clicks all the time to the point that the QMX is not usable for cw, I did role back to rev 10 as suggested in one of the treads and seemed to be better. works well FT8. Ron VA3LM

Hello, I am wondering what the current operability status is between FT8CN and QMX (1_00_017). Mike KK7ER reported on FT8CN and QMX back in July 2023 ( #105559 (

Okay... WOW! What a great radio!? Works fine on all bands.? Took it to our LARC Ham breakfast this morning and wasn't certain that I'd see it again after I passed it around!? ?I asked if any