5 Mar 2019
Sunspots - Tuesday March 5th 2019
Solar flux is 70 and the sunspot number stubbornly at zero still. A=7 and K=2. Me thinks we are well and truly at the very bottom of the solar cycle.
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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.
The "holy grail" of EV batteries is greater range, costs lower than lithium ion, no rare earths, fast charging times, long life an...
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