Monthly Archives: August 2014

Gear: First attempt at a tunable AM broadcast band loop antenna

Once I’ve made some refinements, I’ll do a detailed post, but over the weekend I built and tested a homemade 3-foot tunable AM antenna.  This is a passive antenna which uses a variable capacitor to tune the antenna to the appropriate resonant frequency to match the frequency you want to tune with your radio.  Here is a picture of the “finished” rig: Continue reading