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. :

https://www.microfarad.de/magnetic-loop/

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The Plastic Fantastic Magnetic Loop - Jim Tregellas VK5JST:

https://www.ahars.com.au/uploads/1/3/9/8/13982788/plasticloop1.pdf

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Building a Variable Capacitor

Building a High Voltage Butterfly Variable Capacitor for Loop Antennas:
https://www.instructables.com/Lets-Build-High-Voltage-Butterfly-Variable-Air-Cap/

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Glenn Lyons VK4PK
glenn@LyonsComputer.com.au
Ver:gnl20210926 - pre published v0.9