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Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
Hi Bill et al Adrain YO3GFH said: "I configured AGC with the values seen in your screen captures, they seem pretty sane, I only changed "Recovery dB/s" (from 10 to 15) and "Threshold S" (from 8 to
By Hans Summers · #118192 ·
Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
Bill, I simply used the values from Hans’ video on YouTube. I put out a CQ on 40m after the upgrade to 1_00_017 and worked Ralph DL1HR who was also using a QMX. The AGC certainly makes 40m more
By John Pagett G4YTJ · #118191 ·
Re: An interesting diagnosis
Oh, and that is not limited to ham-parts. Yesterday I replaced a stereo receiver for my XYL and her karaoke stuff. Instead of doing it step by step and doing one speaker at a time, I pulled all eight
By Jim Bennett / K7TXA · #118190 ·
Re: An interesting diagnosis
Hello Jeff Ha! You had me chuckling... "being careful to not mix them up"... I admit, I can't count how many times I managed to remove a miniscule SMD component, sat back and admired in quiet
By Hans Summers · #118189 ·
Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
I got 17 loaded just fine.? Anyone have suggested AGC settings to start with? 73, Bill NZ0T
By nz0tham@... · #118188 ·
Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
Hello Bojan I'm not sure it's so bad. Problem is, if you use lower power, the noise floor hits you sooner. So the range of the measurement is less. If you use more power, then as you say, VSWR hits.
By Hans Summers · #118187 ·
Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
Hi Hans, well, perhaps I did not explain my observations well. When doing the SWR scans we transmit a preset portion of RF power into a load/antenna. In my case it is 45%. And the scan stops before
By Bojan Naglic · #118186 ·
Re: An interesting diagnosis
Bravo, Jeff! Next time you have to replace a CPU, it would be nice if you could video the process! 73, Randy, KS4L
By Randy · #118185 ·
Re: An interesting diagnosis
Success! ?After a one hour operation, the patient lives. ?I was able to remove the bad cpu, remove the good cpu from a donor board, being careful to not mix them up!!!! clean up the pads on the
By Jeffrey W Moore · #118184 ·
Re: WSPR Receive Frequency on QCX Mini With TCXO
The QCX-mini has a very sharp CW-filter with center at 700 Hz. Try tuning your QCX-mini at *14.0964* MHz. Then you can hear(!) WSPR. At oder versions of WSPR-software you can change the pitch so you
By dl3naa · #118183 ·
Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
Hi Adrian, Danny, S-meter and AGC seem to work very well, however, as Danny noted, when I'll look into that. > I configured AGC with the values seen in your screen captures, they seem Yes I
By Hans Summers · #118182 ·
Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
Hello Bojan With the LPF sweep I suspect that the chosen output power is too much for Please could you explain? I didn't understand what you're getting at? > 73 Hans
By Hans Summers · #118181 ·
WSPR Receive Frequency on QCX Mini With TCXO
Hi, Can someone please advise?? I want to use my 20M QCX Mini with TCXO to listen to WSPR using WSJTx. Do I set my receive frequency to 14.0956 MHz, or 14.0971MHz? My PC time is spot on, but I
By Karl Haas · #118180 ·
Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
Hans, thanks very much! S-meter and AGC seem to work very well, however, as Danny noted, when transmitting, some artefacts like static can be heard on each dah or dit. With AGC disabled, these are
By Adrian YO3GFH · #118179 ·
Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
S meter works well. With the LPF sweep I suspect that the chosen output power is too much for the LPF test as it is obvious that half of the sweep goes into the filtered zone. -- 73 Bojan S53DZ
By Bojan Naglic · #118178 ·
Re: QMX First time start help
Popped the new buck converter in, downloaded and dropped FW 1_00_017 and shazaam!
By Frank, KF6HF · #118177 ·
Re: V17 Signal meter #qmx
Hello Timo At the moment yes that's the design. The IQ mode abandons all subsequent audio processing after sending the audio to the PC. Including AGC. And yes I did enable AGC and S-meter only for CW
By Hans Summers · #118176 ·
Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
Well I loaded 1_00_017 (final "ripened" version) into my 12V rev1 QMX with a QRP Labs dummy load attached. Loading of the new version went fine. I immediately went to the AGC submenu and started
By Steven Dick, K1RF · #118175 ·
Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
No issues? ? Hans,? .......? ?sweet as a nut!? ? ?:-)? ? ? ??
By morseoneuk · #118174 ·
Re: #qmx #firmware 1_00_017 AGC, S-meter, LPF sweep #qmx #firmware
Well, after some sweating, I managed to talk to it after rebooting the PC as well as the QMX. I am back on version 16. I don't know whether I will ever have the nerve to try 17 again! Regards Bev
By algarveastronomy · #118173 ·