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Hi Mark As with most of Hans kits the QCX has the ability to become a multiband XCVR The low pass filter (LPF) is primarily the band ?defining element Donot install the LPF on the main PCB You will

I see a very stale plain Dunkin Donut. <axelkohlgrueber@...> wrote:

On Mon, Aug 12, 2024 at 06:12 AM, Hans Summers wrote: " edit the Band Configuration screen to get all the frequencies you want to use included in one of the bands" Thank you Hans.? Problem solved.

Very good advice. Probably going to order a qmx+ which will be my most extensive build so far. Definitely going to implement checks as I forge ahead. -- Wayne S. KF7RCM

Looks the the resistor next to it might be burned.? ICT is a fairly economical way to weed these issues out in production but that would add to product cost.? My take on it for the QMX would be to

Thanks for taking the time to respond, Hans. Very interesting. I suspected 40 and 20 would be the most popular. I recently acquired an unassembled QCX+ and was trying to decide which band to build it

I just completed my latest build, the QMX+. I really like this radio (and my 2 QMX) and it was fun to build. Thanks to Hans Summers for this excellent radio kit. I had one minor problem that I was

Affirmative on the dummy load. Before power is applied on any set I put one on. -- Wayne S. KF7RCM

Could you try 100 and 900 ms? Does it seem different?

I see a splash of tomato sauce in the corner

No! 73 Hans G0UPL http://qrp-labs.com https://www.buymeacoffee.com/g0upl

thank you so much Hans! ? do you ever sleep??? ?;-) best regards Mark

Thank you Ian and Bruce. Greg Yahoo Mail: Search, Organize, Conquer On Mon, Aug 12, 2024 at 9:40 AM, Ian G4GIR<g4gir.shack@...> wrote: Hello Greg?Sorry for the booboos.?Here's the formulas in

Hello Greg Sorry for the booboos. Here's the formulas in the sheet you asked for. 73 Ian

Yes Bruce I agree total C***P. I had a mistake in the formula. Revised with RMS Values added. 73 Ian

That level 10 on the bpf adjustment is abnormally high. Did you have a dummy load attached when you did those adjustments? It’s usually a peak in the 8 range indicating normal sensitivity and will

+1 ?? Looking forward to your plans to make Android into a panadapter and CAT machine.... But already the current version on Windows is really great - impressive!

I'm running my QMX on a couple of linear regulators.? I managed to fit a couple of TO220 linears onto some veroboard which fits inside the case and plugs into the PSU connectors on the main board.

Hello Tom I think you'd need to adjust the Band Configuration screen to enlarge the band limits. In earlier firmware versions there were issues with Preset frequencies loading; it changed the VFO but

(Want to bet that inside it's a bunch of 18650s?) It's amazing how many large battery banks use 18650's.? Early Tesla batteries used over 7,000 of these soldered together.? :) These things are