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Well I have done it again. My QMX mounted. I deleted the old firmware and copied the new SSB version. I did notice there was another file that started with e. I emptied the trash and checked the

Hi everyone. With the release of the SSB firmware out of beta, I thought I would make my offer to source K6ARKs wonderful little microphones, which can be found here:

Hi Hans, Yes, I see all those options. But I remember you saying that all the graphs are now available on the LCD. And that led me to believe that the SWR sweep would also be available. On page 70,

My BS170s failed in my QMX+. ?There was no power output showing on my Power Meter, the QMX display contrast had changed, the QMX case was getting warm, and the battery voltage icon on my QMX display

Hi Mike It's called "Tune SWR" and it still has the same functionality as in 1_01_027 - which is not a graphic SWR sweep. On my hardware tests menu on 1_02_000, I just checked, i see: AF filter sweep

I have seen this same behavior on my QMX+... SWR spikes when first transmitting in SSB...and it does trigger the SWR protection sometimes. If we figure out how to fix this, I would be thankful :) Joel

Hello all Many people, myself included, have run the QMX calibration procedure multiple times without damage to their BS170 transistors. I was developing the QMX firmware for 9 months, including the

* I would love to have a waterfall, while working SSB. That would require a second soundcard, I guess * I do second the NMEA-Output. That would reduce the number of antennas in my configuration. * It

Hi Hans, The SWR sweep function seems to be missing from Hardware Tests in 1_02_000. It does show up when accessed over the serial terminal, however. 73, Mike KK7ER

Ah, thanks Stan and Don. I could have sworn I'd seen (and used!) the Tune SWR function before but when I went to the manual all I could find was SWR sweep. Well, that's embarrassing. 73, Mike KK7ER

FYI: Yesterday I updated a QMX rev1 (first release unit) from 1_00_017 to 1_02_000.? It was a "textbook" process--used terminal for all control, so put into flash drive mode; copied image; powered

On May 06 I had a CW practice / rag chew session on 20 and 30 meters. I worked three stations: Conditions were not great with lots of QSB. SSN = 108, SFI = 159, A = 29, K = 3. I was using my Elecraft

Hi Chuck, I did measurements with the standard scope ground but also with ? inch leads soldered to the transistor and attached to the probe. The probe ground causes some high speed ringing but the

If and when I pop the BS170s, I will clip the leads and solder the new mosfets to them. 72 de Russ, va3rr

That's perfect, thank you for the explanation sir!? I'll try it out tonight.? I struggled last night with figuring out what radio to put (I used "external" to no avail). For earphone audio control,

How will you get the faces of the packages down onto the board, or are you using an alternative heatsink? I would imagine a chunk of heatsink with appropriate holes drilled, fit the transistors with

Gotta replace the PAs. To socket them, good or bad? See numrous sockets on ebay and online, but which to order, oh me oh my, what spacing or whatever. What do you say? -- 73 ChuckR

Hello Martin, For easier band change, the [Preset] feature offers a nice work around. I have stored all bands and after a double click they can be dialed up or down. On another note, I have now used

Out of curiosity, how are you connecting the probe's ground? Even at a low frequency like 1.8MHz, more than 1 inch of probe grounding wire will make a signal ring like that. -Chuck Harris, WA3UQV

I have success when I tap the Volume button directly after the screen goes blank. I used to restart the rig, but discovered that just a single press of the Volume button (big one on the left) does the