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I only tried it for a few minutes, but I really like the .23 filters!? Wide open is good for scanning the band, and then I like the 500/750 for specific signals.? I wish there was a top-level way to

Greg, They use the original screws. I printed the remakes from here: https://www.thingiverse.com/thing:6591379 They're a little more open on the sides, which makes connecting cables easier. I really

I made a 'boss detector' many years ago.? When the boss was coming, he would break the light path and my detector would put out a broadband hash noise? on the AM radio band for one second.? So as

Last night I attempted to chase a few POTA ops with CW my QMX Low Band, version _023.? I noticed that the dial frequency on my QMX to be 1500 Hz higher at 7.048 than the posted frequency on the

Has anyone printed and used the QMX frame from the main page?: https://www.thingiverse.com/thing:6585607 I would like to build this but it's not clear if I will need to get longer machine screws for

Hi all Right now, I can only add the characters which the alphanumeric display is capable of displaying. 73 Hans G0UPL http://qrp-labs.com https://www.buymeacoffee.com/g0upl wrote:

Hi Hans, any hope for some other European special characters able to be displayed? Don't know where the CH is from. The others are Scandinavia, Germany, France, Spain. Pure magic... ?, ?

Hello Hans! No problem, thanks for the test! Thanks a lot! These are different spellings of the same sound, the requirement to interrupt transmission; the symbols ">" and "BK" - the computer

On a hunch, I replaced the original SMPSs with replacement ones I received about two months ago. ? No change in behavior. Checked resistance from + V power jack to SMPS 5V board - <0.1 ohm. -- 73,

I have built 5 QMXs. All except my Rev 1 QMX display the voltage from the source correctly. The Rev 1 (May 2023) usually displays the source voltage on the LCD anywhere from 3 to 6 V lower than the

Hello Evgeny I thought we had ROM page A02, but it seems according to my tests just now (see attached), actually we have ROM page A00 on page 17 of the HD44780 datasheet. It contains what appears to

Hi Bill That's already included now in my local code here; my strategy on SSB is divide-and-conquer (an excellent strategy, in general); so splitting out microphone input, speech processing etc.,

Hans: When you release SSB for the QMX it would be nice to include a 2-tone test generator for transceiver and amplifier linearity testing. 73, Bill, K2HRT

Wow, “spouse thoughts band,” sheesh how many petaflops must that be?? Samantha is right (of course!) we cannot hide. You must instead send a command to PC via usb to drop down a faux Financial

Like I have said before (when hearing about troubles with the QMX), when things don’t work give the manual to your wife and let her read it out loud paragraph by paragraph…….. even if she is not

Hans, you are amazing. I posted that question before going to bed, and I wake up to your response saying it'll be in the next firmware version. Thank you so much. Jon, I had no idea BK isn't

Dear Hans! Page 18 HD44780U Table 4 Correspondence between Character Codes and Character Patterns (ROM Code: A02) These are the parameters for Russian characters in this

Hello Evgeny I can add the punctuation... Russian letters, are limited according to what is in the HD44780 character generator; please check https://www.sparkfun.com/datasheets/LCD/HD44780.pdf page

Dear Hans! If possible, please add Russian symbols that do not have international equivalents: Ч / / / . Ш / / / / Э . . / . . Ю . . / / Я . / . / And if it is really easy, it would be useful

Good luck, Jon. Hope it works for yours too. It might be worth posting back here with your results.