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It's all to do with how one of the registers is programmed that is used to detect connections/disconnections and the fact the Windows and Linux handle these differently. On the QDX, device firmware

Carl, I was thinking of a QDX which does come up instantly. I'm not sure about the QDM. Does it just need the power button press? As I said, I've not thought about the details. A little routine run

That's an extremely good price. Here in Austrian Lidl they cost 25€ each and the electronics doesn't seem so dumb (has cell balancing and all). At this price I wouldn't think twice I guess.

First thing to try is to increase the space between the button and the chassis by setting it higher. Happened to me that the button came down, in particular if the push is a bit pushy, and then was

Since I'm still waiting patiently for my QMX+, I can't say anything specific to that device - but I did have similar problems with other transceivers: Everything fine while receiving, no problems when

Can you include some more information like your location and is the QDX assembled and working?

I received my assembled QMX a couple of days ago. Out of the box, the encoder intermittently woked a couple of times changing tuning steps and now does not work on the functions that require pushing

Hi Bruce, sorry, I have seen your email just now. It's not mentioned in any document! Now, with your and Stan's describtion I fully agree that its a realy bad idea ... Thanks a lot for explaining

I would use braid and a bit of extra flux.? I just did this on? some low pass boards for a U3S.? I did add a bit of solder to the holes so the braid had good contact.? On one board I managed to

Basically space is a huge klystron. Dave

I do not know how effective they are on our radios but I found this info interesting: https://www.yahoo.com/news/scientists-found-mysterious-sources-killer-133000394.html 73! de Bekir TA2RX

I would think that the USB interface would detect both connects and disconnects. When you power cycle the computer, the connection goes away and this should be detected. When the computer restarts,

I don't have any problem rebooting my Raspberry Pi remotely and the QMX+ retains connectivity ... I use X11 forwarding to XQuartz on my MacBookAIr to run WSJTX on the Raspberry Pi but manipulate it

Agreed, if you can, go for the most moderate charging rate on batteries as possible, unless you have some absolute need for them to be completely charged in 1-2-3 hours. The batteries will appreciate

The impedance of a toroid is the square of the number of turns you make through the toroid. So impedance, the resistance to AC signals.. doubles with two turns, quadruples with three turns.. and so

Bruce, I'm just a little behind you on my build, I just soldered L502 in. As far as I can see, those LPF holes don't have anything soldered to them, so you are all right. Joel N6ALT

I would think that if the QMX+ firmware can execute a bootstrapping power-on sequence, it could trivially be programmed to restart itself, but indeed that is beyond my level of familiarity. Regarding

I characterized my recently completed QMX+ by recording transmit current vs band and input voltage - 7, 8, 9, 10, 11, 12 v (the/my QMX+ refuses to transmit below about 6.75v ) receive current was

I checked again today my QDX Hi Band, PCB rev.5, firmware v1_10 and the problem /g/QRPLabs/message/103640 is still there: transmission is disabled on all bands (20M to 10M) if

Alan, fldigi v.4.2.06 is installed in c:/Programs and the fldigi.files is installed in my user forlder. 73 - Pierre - FK8IH