LA3ZA Radio and Electronics

Clock nerds may appreciate that my multi-face GPS Clock software has come in a major new software version, V2.0.0. The main novelty is that ...

This was a fun  holiday operation  from the island of Tenerife with 2.5 - 4 Watts running digital modes, mostly FT8 and some FT4 using a low...

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...