Magnetic Loops

Servo Controlled Loop

Following is the tutorial of a DIY magnetic loop antenna for the amateur radio band featuring a remote tuning system implemented on Arduino with a RC servo. :


The Plastic Fantastic Magnetic Loop - Jim Tregellas VK5JST:


Building a Variable Capacitor

Building a High Voltage Butterfly Variable Capacitor for Loop Antennas:

Glenn Lyons VK4PK
Ver:gnl20210926 - pre published v0.9