Solar flux is 143 and the SSN 142. A=4 and K=2.
30 Apr 2026
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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.
About 14 years ago I was developing a natterbox for local QSOs on 10m . The receiver was bread-boarded and there is a video showing this. T...
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