13 Apr 2018
Sunspots (yes real sunspots!) - Friday April 13th 2018
Solar flux is 69 today and the sunspot number is 13 i.e. not zero for a change! A=9 and K=2.
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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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