This was the beacon I used on optical frequencies many years ago before my stroke. It was received well over the horizon at many kilometres and was capable of being copied far further.
I still have it and would love to use it again .
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.
The photo is archetypal Cambridge with bikes and posters. It shows the university church Great St Mary’s, which is about 200m from King’s Co...
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