Tune for max brightness: LED RF current indicator for end-fed antennas https://stream.echo6.co/videos/watch/bb3144d7-cbd4-438c-a4ee-b43b80344684 Building an RF current indicator for end-fed wire antennas. Uses just three parts. Contents 0:00 Introduction 0:33 Circuit 0:37 Description 0:53 Demonstration 3:05 Parts to use 4:19 Use outside 4:45 An unrelated experiment 5:14 More contrast for visibility 5:33 Summary 6:02 Minimum QRP 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) Wed, 06 May 2026 06:05:39 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co Tune for max brightness: LED RF current indicator for end-fed antennas https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/bb3144d7-cbd4-438c-a4ee-b43b80344684 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.