Making a sliding variable inductor


Here's simple way to make a sliding variable inductor for antenna loading coils, antenna couplers, and basic crystal radio receivers.

Peter Parker (VK3YE) takes you step-by-step through the design, construction, and testing of this homebrew inductor.

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Thanks for joining us today.

Aloha es 73 de Russ (KH6JRM).

Here are some comments from Peter (VK3YE):

Making a sliding variable inductor. Potential use for antenna loading coils, antenna couplers, crystal sets and more. No switches or coil taps required but continuous adjustment possible. PS: If you liked this video please consider supporting Amateur Radio VK3YE by: * Subscribing on YouTube, * Checking my books page at * Shopping on Amazon via:, or * Shopping on eBay via: (then if you buy something I'll get a small commission at no cost to you)

Amateur Radio VK3YE


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