Noel Matthews G8GTZ and Matthew Cosby talk to broadcast journalist Kate Arkless Gray about making a world record for the longest distance 3.4 GHz amateur radio voice contact with a signal bounced off the Moon.
GB6GHY on 3.4 GHz – Hello Moon, this is Goonhilly calling!
https://audioboom.com/posts/6240780-hello-moon-this-is-goonhilly-calling-the-longest-distance-call-via-the-moon
What is Amateur Radio? http://www.essexham.co.uk/what-is-amateur-radio
You can find a short Foundation amateur radio training course near you at
https://thersgb.org/services/coursefinder/