21 Feb 2019
Sunspots - Thursday February 21st 2019
Solar flux is 70 and the sunspot number 0 still. A=3 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.
It looks like Hyundai has created an amazing battery at a plant in Georgia (USA I think). It charges fast and has a much longer life and doe...
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