11 Apr 2011

111km optical QSO in Yorkshire

G8AGN/P and G0EWN/P achieved a 111km speech QSO on optical communications using 0.5W red LEDs and Fresnel lenses on April 6th 2011. Brilliant stuff.

1 comment:

Paul M0PCZ said...

That was amazing, this is why we do amateur radio ! Any more info on how they modulated the LED, so the LED was the antenna..geez !