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G'Day Chris - I will have a fiddle with the Rise & Fall Thresholds. BUT as I mentioned before, these are Factory Assembled QMX's & QRZ tells me I have successfully worked 210 QSO's through 42

Toru, don't worry about your T507.

Andreas, I think it looks poor because of the very very low signal level of -80 dB(m). For 60 m and 40 m BPF3 is in use. How are the results for 40 m? If also such a low level the path between L401b

Thanks, Hans! And when you are at it, maybe it's also worth to execute GPS time synchronization as soon as a time is being received (if there was not any fix before). It's sometimes hard to get a

Those are great power outputs. How are your toroids looking, all very tight and even, all with turns according to the manual? Would be great if you could take a pic. I'm currently trying to improve my

Thanks Andreas Noted. I will fix it... 73 Hans G0UPL http://qrp-labs.com https://buymeacoffee.com/g0upl [email protected]> wrote:

On the thoughts on upgrading my license,? I had a stroke and find talking very difficult. I taught myself cw so I can still get on the air without having to use ssb.? I find reading very difficult

Hi, while monitoring the WSPR signal from my QMX to figure out why I didn't get spotted at all, I found out that the QMX was not sending on the right point of time but shifted by several dozens of

Have you enabled Japanese limits in System config? If you enable Japanese limits, an abnormally large current will flow when transmitting on the 17m or 15m bands, damaging the BS170. syuji ota ?

Dear Ludwig Thank you for your prompt reply. That's right,I measured each sweep with a 50 ohm dummy load connected. I understand that there seems to be a problem with LPF2, especially C516. I will

Good catch! Me to just tried the QMX WSPR Beacon feature yesterday for the first time together with the GPS module. The latter worked like a charm. The first thing I had to understand is that I need

GI0BIY and OK2BQN were the only ones to show up from this side of the pond and KN4OK still hoping to make it over the pond. Where are all the nicely build QRP Labs rigs ready to join in for some fun ?

as you have used the summer to build the rig, why not work on the antennas during the winter.? And maybe get on the air with the QMX+. Anyhow have fun :-) Martin DK3UW

What diodes and configuration?? Perhaps you pull more current than they can handle and thus have a voltage drop?

Have you externally measured the input voltage at the same time as looking at the QMX+ display? Also what does an external measurement show during transmit? 73, Cliff, AE5ZA

I will try that! 73, Andreas, K6AKW

Hello All, This is the first time joining a "group" so I am likely going to have difficulties navigating this place for while. I had xtal go bad on my Atlas 210x and its proving to be a challenge to

Hi Dave I don't think 1W on 6m is normal; are you confident of your power measurement? For example here we use the David NM0S QRP-o-Meter and initially also read low power on 6m; until I read the

I went with 11 turns on both L510 and L513 as suggested by DH8WN and it brought up my 15M power considerably. 11 tight turns on L513 worked fine. /g/QRPLabs/message/118629 73 de

60m IS available in the US, but the channels make it rather useless too. So I second the effort to reprogram that slot. On the other hand, upgrading your license sounds like a pretty good idea! -- 73,