LA3ZA Radio and Electronics

I have now used both the low- and the high-band QDXes daily as  EA8/LA3ZA  for a period of two weeks without destroying the four BS170 final...

The latest addition to the Multi-face GPS Clock is a clock face that for hour, minute, and second cycles through the corresponding chemical ...

My QDX twins from QRPLabs:  On top, the high-band version, 20-10 m, with a revision 4 PCB In the bottom, the original 80-20 m version with a...

Elecraft K3: Upper trace is start of sidetone and lower trace is start of RF ~15 ms later. An amateur radio transceiver is not a precision m...

Here's my low-band (80m - 20 m) 9 Volt QDX with a voltage regulator. Its only modification is a green rather than a red LED, as I don...

The TFT GPS clock with touch control which has been designed by Bruce E. Hall, W8BH , is a very nice clock with a large and easily readable...

Another update, this time to add: Azimuth and elevation for inner and outer planets relative to your present location. The inner planet scre...

I got myself one of the marvellous digital transceivers from QRPLabs recently: The QDX - QRPLabs Digital Transceiver . It is set up with rec...