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Lex, Maybe this is what you are dreaming of? https://digirig.net/product/digirig-mobile/ 73 Scott

So if you attach a dummy load and do the transmit test, what happens? Roger ?Get BlueMail for Android ?

Yep. Here is my RF Filter Sweep: I also ran a VN command in CAT command test and got the correct firmware version as a response. Wayne

Can you access the QDX using the terminal interface? i.e using Putty? If you can, and you have a dummy load, you can run the RF sweeps and test CAT and transmit. That should tell you if the USB

Mine had no receive as well. Turned out C509 was missing entirely which may be the cause for both of us. I will know soon as a replacement should arrive today. C509 position is on the bottom side of

Plug in PCB #1 connector voltages after applying power: Gnd = 0V +12V = 7.15V VCC = 1.2V ADC_5V = 0.6V PWR_HOLD = 7.17V V_IN = 7.17V PWM_5V = 0V PWR_ON = 7.1V Plug in PCB #2 connector

Thanks, Roger. The waterfall isn't showing anything. I'm really thinking this a sound card issue, but I've looked at everything I can think of related to audio devices in my computer. Could it be

Hi Hans, Yes transmit works fine, I've been heard at good strength on all bands right into the states on reversebeacon etc., just that receive is dead as a dodo? ;-( but good to know, transmit

Looks ok to me. Sorry, I can't help much more. Is the waterfall display showing anything? Maybe time to start checking the receive signal path back from the antenna socket. Roger

No. But what do you have the audio devices set as, in WSJT-X? Should be something like QDX-input, QDX-output. (Use F2 to go to settings, then the Audio tab). Roger

But would that explain why the QDX is not hearing anything? I do have the output and input devices set in my audio settings to 100% Wayne

Hi All, My QMX had the short between Q103/Q104 which was discovered before powering it up. The AOD403 was replaced as the original one fractured with modest pressure applied with the heatgun. The

From page 10 of the manual: LED flashes 2 times in quick succession, repeating every 1 second: the PC host software application is sending audio to QDX, and QDX is detecting and measuring the

OK...now I am getting two flashes on the LED. I am still not getting any audio in or out, however. Wayne

Thanks for the reply. I did forget to mention my power slider is set to max. The problem I am having is the QDX has no audio in or out. Also, I just noticed this error as I continued to

Do you have the power slider in WSJT-X set to maximum? It needs to be at max for the QDX to work. Roger 8P6RX

I submitted a previous topic regarding the audio migration settings. That may not be the problem. I finished my QDX build and am now trying to get it to operate. It comes on just fine and I updated

Lex, A relatively simple version of CAT and Audio interface bundled in one: https://antrak.org.tr/blog/usb-vox-1-00-usb-sound-card-vox-combo/ 73 Barb WB2CBA

I finished my QDX build. After hooking up to an antenna, I am finding my QDX is not receiving nor transmitting. It seems i may have a sound card problem. I checked the audio devices and I beleive I am