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.
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