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I recently built the QCX-mini 40m kit. Being new to kit building, I couldn’t be more thrilled that it works! However, I applied too much heat soldering the BNC female connector. The center pin comes

I connect the QDX to a raspberry pi that is running WSJT-X. The pi is headless and managed from my phone using VNC. Since the pi and QDX are at the base of the antenna during field use (and battery

Thanks for letting me into the group @Hans. I was the source of the JS8 message reminding you to approve new members. ;7) My QDX V3a is more or less working. I need to adjust L12 to resonate at the

Yesterday evening I finished building my QDX and was quite proud of myself, for it was the first 'real' soldering project in ~8 years. I already realized how old I have become when I needed a 20x

Hi Bill, In addition to what Hans stated, if you have the three flashes and the transmission stops, that could be an RF feedback problem.? Try transmitting into a dummy load using the terminal

Did you turn off all audio processing and other special audio features in Windows? Things like echo cancellation will remove continuous tones like FT8, for instance. 73, Willie N1JBJ

Hi Bill QDX isn't an SSB transmitter, there is no concept of audio gain or volume level affecting transmitter power output. It's all or nothing. You should always have all the volume settings on your

I think the latest documents should be updated, to reflect this. G7JUR

Joshua, Windows 11 home.

Bill, what operating system are you using? Joshua

Hey gang. Received my assembled QDX today...Thanks Mark ! OK, so the receiver is plenty hot...I'm playing on 40m first. When I attempt to transmit - either by the 'Tune' button or by actually calling

Putty works well in Linux as well. -- Colin Kaminski - K6JTH https://www.qsl.net/k6jth/

Phil, OK, now I have a clearer picture of what you are telling us.? You have a low current draw on transmit, so the power amplifier MOSFETs (BS170 Q8, 9, 10, and 11) are not drawing power.? That

Hi Charles. Mine is built for 12 volts like yours. I usually run it down at 9 or 10 volts input while doing something like WSPR (1-2 watts out) and it doesn't get very hot. I run it at 12.0 or maybe

OOps I forgot how to write a message. Is there a way to correct things?

Sorry, I misspoke, I was using a?Thruline Wattmeter, set up to measure forward power.? The QDX was connected to a dummy load through the wattmeter, and I was clicking on the 'tune' button in wsjtx

I bought one Chinese antenna tuner and soon found out that I could not install the variable capacitors and their knobs. But in my collection of an cient radio parts I found suitable ersatz.? So I

Greetings all, I've no wish to stir up the debate about which supply voltage QDXs should be built for, but in reading the manual, I saw where it says that the power slider in WSJT-X has no effect on

I am not sure I understand what you are reporting.? When you say the VSWR meter doesn't budge, do you mean when in setting the forward power mode? It also helps to know the firmware installed on the

That's not USB over Ethernet, it's USB over TIA-568 (CAT-{5,6,7}) _cable_ 73, Willie N1JBJ