Published On Apr 16, 2017
Using plastic corflute (or coroplast) material in a variable inductor with a ferrite rod. Video describes application of this in a simple HF L-match antenna coupler and demonstrates its use on 7 MHz.
PS: If you liked this video please consider supporting Amateur Radio VK3YE by:
Subscribing on YouTube
Checking my books page at https://books.vk3ye.com
Shopping on Amazon via: https://amzn.to/3iiDQXv, or
Shopping on eBay via: https://ebay.us/i9DuWP
(then if you buy something I'll get a small commission at no cost to you)
show more