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But carefully read the instructions because Rev 4 boards say Rev 3 in one place. "QMX Rev 4 PCBs don't need the PTT mod; note that there is a silkscreen error, there's a "Rev 3" printed under the

Looks to be about the same size as my Flex-1500 QRP radio.? I wonder how it would perform if I sent the I and Q signals to some nice SDR software?? Same band configuration, same power output, for a

Hi Nate I'm in Dayton Hamvention and it's hard to do everything remotely on my phone. The software version for 1_00_019 is written and ready. I will try to upload it to the website soon. The manual

Hello Scott No, QMX+ is not intended to replace QSX. However the gap between QMX+ and QSX is not as wide as I'd like so probably QSK will have an increased specification. 73 Hans G0UPL

Great news! I noted the assembly instruction PDF is there, but the firmware/operating instruction link doesn't work. I'm curious to see some sample RF sweeps on this new offering! :-) -Nate N8BTR

Hans, is the new QMX+ going to replace the long awaited QSX?? Or is the QSX still in development?? Thanks, Jim G.

Not to bring up a sore point, but I am wondering if the QMX+ is intended to replace the QSX. 73, Scott AK5SD

Sounds like something with the BPF selection maybe? Or LPF? I wonder if you need to look at the diode and through-hole inductor solder joints? -Nate N8BTR

I hope so, I want a high band! -- 73 Michael N6QP Up in Thin R

Hi, For a few days, using the QMX for reception only, it seemed very deaf.? Normally strong signals were barely detectable. Today I was monitoring 14MHz FT8 sub band and there were only a handful of

Congrats Hans, this is going to be a big hit.

Thank You Hans!? Ordered mine yesterday!!

I got one after a long wait in line at FDIM. Also got the GPS and dev board. A priority for me would be an onboard tuner. -- 73 KD8CGH

How much time are you looking to hold the data?? Maybe they're better now but early ones had poor leakage current and would self-discharge in a week or less.? Also I don't know what's in the module

As the others have said, don’t cheap out on the solder, use a decent iron and don’t be afraid to use some additional flux. ?I typically use 0.5 - 0.7mm diameter as it’s a bit more controllable

I just ordered a midband QMX and I'm not disappointed because I will have the QMX unbuilt, I'm disapointed that I'll have to pay shipment a 2nd time. I will build both. I know that the QMX+ is

Like in the old days, soldering is all about the flux! Many inexpensive 60-40 solders and the newer (and not nearly as easy to use) lead free solders don’t have enough flux in them. This is why the

Hello, I did also sent a QMX for repair and alignment to Jeffrey. He did a wonderful job and the QMX is now up to specs. Bought the QMX used and was very unhappy with the performance. Now the QMX is a

For anyone wondering what the suggestion re revised bias was about, schematic given above. I? have used a known good schematic? and marked it up.? so there are no doubts it has been proven , at

I would suspect that there are quite a few people disappointed after just having bought a QMX. I wonder how many unbuilt QMX kits will appear on Ebay? -- Phill EA5JHA