Has anyone used electric fence wire from Rural King for radios underneath your vertical. It seems to be fairly inexpensive for the amount of fence wire you get for your money. Paul K2DB

I'm so new here I don't own a QCX Mini yet, but I expect to get one soon.... can anyone tell me what the shipping costs are and are there costs to get it into the US? I have to have all me figures rea

Trying to finish my U3S with LPF relay board and GPS. Power supply is 12V into a buck converter making 9V for the three BS170s and another buck converter making 5V for the U3S. LPFs are as follows: 0=

Does anyone know if you can use the QCX+ to transmit and receiver Hellschreiber or JS8Call, either with or without a PC interface? (I realize that the Ultimate3S kit can do Hellschreiber and JS8Call n

Hi, I’m aligning my batch 2 40m QCX Mini and I am getting something strange going on with the BPF alignment. The alignment seems to go as planned - ie in starts to peak up around the centre of the BPF

I'm building the 5W PA for standalone operation, using the ATtiny84. Want to use the default 5ms shaping, for which the D pad should be connected to +5V. Just wondering where others have made this con

I'm looking into ordering a new Si5351A module along with TCXO (using recent hints for adapting the TCXO for use with the Si5351A module) for use in my U3S. My understanding is that with the TCXO in p

I finished my mini tonight. Upon powering up, I inadvertently selected the wrong band. Now, it will not respond to any inputs. The encoder nor buttons do anything. Any help is appreciated! Thanks and

Can anyone tell this wanna be qcx mini owner about the shipping and other extraneous costs to get the mini to Michigan. If I don't have all my figures together I'll never get it past the finance direc

With apologies if this has already been answered elsewhere, but having conducted a search through group messages I failed to find the any comments on this topic. I have a QCX classic which I am consid

I am just beginning the assembly of a QCX- Mini with the Rev 2 main circuit board. The changes from the Rev 1 board seem pretty minimal, so assembly is pretty straightforward. However, I would appreci

This is a little of course. Looking at my orders, its showing in shipping method "band transfer", I use paypal. How do I change that? Don...w2xb

A few days ago, I loaned one of my QCX radios to a mate so he could see how it worked. He is interested in starting WSPR himself and we programmed his call into my QCX40 classic and he ran it for a co

I want to replace the volume control and i am not sure what type it is? What should I purchase as a replacement. I have not been able to get past the set up and figure it has to do with a failed volum

The QCX+ power switch appears to require a switch cap that mounts on a switch with a 3 x 2.5 mm post. Nothing on AliExpress or Ebay that I can find. (you might ask, why do you need one? soldering iron

Hello everyone, my new qcx mini arrived yesterday. now the assembly begins. Thank you very much Hans. 73 iu8eun Joseph _._,_._,_

Hello, I have had some success modifying my three QCX Classics to have AGC to prevent eardrum overload. I've tried to keep it simple and so it uses only 6 additional components, 3 capacitors, 2 diodes

Has anyone got experience with different antenna tuners for the QCX? I am looking for something that will work well with a variety of home brew and improvised antennas. Right now the best options look

Hi, All I have a couple of older U3S ATmega ICs that I replaced with newer firmware versions. Is it possible to load the VFO/SigGen firmware on these ICs? I have Arduinos and a USBasp device with AVRD

I noticed on the QCXmini PCB there are resistors labelled R244, R245, R246 and R247... but they are not shown on the circuit diagram nor in the parts list. Are these just 0 ohm resistors, i.e. a wire