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.

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1 comment:

  1. Paul M0PCZTue Apr 12, 02:03:00 am GMT+1

    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 !

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