QRP Power Indicator and Dummy Load

QRP Power Indicator and Dummy Load

After a gap of almost 30 years, I found myself returning to amateur radio. With a little more spare time on the horizon and a renewed interest in low-cost microcontroller projects, it seemed the perfect opportunity to pick up the hobby once again. It wasn’t long...
Variable Tuning Capacitor

Variable Tuning Capacitor

With many variable capacitors becoming hard to get I wanted to see if it was possible to build a homemade version suitable for a medium wave radio. Looking on the web there are a few examples. Unfortunately these tend to be mechanically challenging, needing workshop...