What to do if they stop making variable capacitors

Plastic variable capacitors have fewer commercial uses as the market for AM and FM radios diminishes. Yet they are extremely useful for homebrew radio projects. Watch this video to learn what we can do instead. 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 to see if any appeal, * 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)