Probably a dumb question, but do you have phones connected to GPS port?

Once you have the SWR on the various bands it should not change frequently. Simply switch to Pwr out.

-Based on helping other builders on this forum. The faster you go the longer it will take.

Check the connections on the phone jack for the PTT line out. It looks like you have a short there. Please post a high res photo of the bottom of the board in the area of the PTT out jack.

Many people forget that this ( and many others) is an open forum., Scammers will use bots to search for key words ( USPS, FED-X, etc) and capture key data they can use to make a phishing scam look leg

I am not sure what your ultimate goal is, but I am using a Raspberry Pi 4 and directly connected color LCD touch screen. that is about the size of the QDX.

No explanation is needed although appreciated I am sure. Your assistance in trouble shooting here and actual repair at home goes way above and beyond. I know those who have benefitted from your help a

Sounds like two separate issues. Overheating Regulator. If you are using the QRP-Labs case, is ti possible that one or more of the connections on the main board are hitting the bottom of the case caus

See: This post:https://groups.io/g/QRPLabs/topic/qcx_challenge_april_2022/90648171?p=,,,20,0,0,0::recentpostdate/sticky,,,20,2,20,90648171,previd%3D1650721362868263333,nextid%3D1650396106400352373&pre

#qcx_challenge

Not sure what the issue is, but there was a good number of participants in this when it was initiated. I called CQ on 40M this am and 20M this afternoon and not one response. Not sure if it is band co

#qcx_challenge

Simply order the U3S kit, The Ultimate relay switched LPF kit, and the six LPFs you wish to operate with. Then order the case.

I would look at the 5V rail and pin 1 of the MCU.. The problem appears to be with the MCU and not the display as the display only shows what is being sent to it. If you have a meter or scope, check th

I recommended this as a solution in another thread on another project. The Ham downloaded STL files and sent them to the library that printed them exactly as sent in standard mode. The end result was

Which side of the board is it on?

Did you install the trimmer on the back of the display board?

In some early kits, the instructions called for the leads to be bent so they would go in the holes. If you were not very careful bending the leads, you could damage the internal connections in the con

SPAM

Not sure about everywhere, but in the US many of the more progressive libraries offer 3D printing service of your designs. There are also Tech centers in larger cities that offer time rental on 3d pri

Suggest you try to locate someone close to you to do it. Prusa Printers has a map showing local printers who offer their services. https://world.prusa3d.com/ You can use messenger to contact them.

Another possible option for some modes is to add support for external tuners ( ie T1) to WSPR software.

#qdx