See http://www.solorb.com/elect/
9 Mar 2018
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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.
This was seen at Cambridge University Botanical Garden earlier in the week.
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