Testing quartz crystals with an HF receiver

Sometimes you can destroy crystals with high power crystal oscillators. Here's a way of testing them with an HF receiver. 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)