LA3ZA Radio and Electronics

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...

The multi-face Arduino GPS clock is inspired by the Clock Kit from QRPLabs . It is an open source project on GitHub , and it now has support...

Like many I was disappointed with the Chinese antenna tuner kit "QRP manual days" back in 2014 and I never really got it to work. ...

Below is a map showing contacts made from Pythagorio, Samos, early June 2022 using FT8. I tried to contact as many entities (~countries) as ...

The polymath Pythagoras was born on Samos and his birthplace village is now called Pythagorio. For a short while I’m operating from Samos, G...