https://stream.echo6.co/videos/watch/c22a9724-cf83-4c7d-bc9c-2c706b40080f Grab just 4 components and build a range tester for a VHF/UHF handheld transceiver. You'll be able to walk or drive around and have instant feedback on if your mobile signal is being received at home or in a car. Don't be afraid to experiment with values for the resistor and capacitor if it doesn't trigger with your transceiver or you want to alter the timing. Eg the 1k resistor can be as high as 10k and the 10 uF can be as high as 100 uF. 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) Wed, 06 May 2026 00:57:46 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/c22a9724-cf83-4c7d-bc9c-2c706b40080f 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.