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.
11 Apr 2011
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Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.
It is much more likely that any future wars would be very cyber based, with people heavily dependent on the internet for banking, communicat...
1 comment:
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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