LA3ZA Radio and Electronics

Arduino Nano, Si5351A clock generator, I2C LCD display, and rotary encoder. The GPS signal is connected to the plug to the lower left. I...

It's nice to see that my antenna article in Amatørradio no. 3  this year has inspired others. In no. 4, LA1AEA, Alfred, has written abou...

Image: QRPGuys.com Some time ago QRPGuys approached me and asked if they could make the low-power zero-beat indicator that I made many y...

W3RW, J. Robert Wittmer wrote "Enjoy FT8 From Almost Anywhere" in the September issue of QST. He used Teamviewer for remote oper...

I was following the presentation of Joe Taylor, K1JT, from the recent German ham radio meeting in Friedrichshafen this year. He showed this ...

My new 6 m antenna is in the Norwegian ham radio magazine Amatørradio this month and the two first pages are shown below. The title is ...

The program for FT8 and other digital modes, WSJT-X, requires control over the communications port of a rig like the Elecraft K3. But so doe...

This is the first time I have observed Doppler shift in the 6 meter band. It is not so hard to see on the waterfall display of FT8. The ...