13 Mar 2021
Optical communications
Many years ago I did some experiments with optical communications over the horizon (NLOS). See the photo. This appeared as a FB memory today.
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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.
Yesterday, as it was slightly less hot and there was an easterly wind, we decided to go to Cambridge on the bus. It was still hot! This ph...
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