LA3ZA Radio and Electronics

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...

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...

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...

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