31 Jan 2018
Sunspots - Tuesday January 31st 2018
Solar flux is 69 today and the sunspot number is 15. A=5 and K=0.
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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 was very pleasing to see my short article about the use of the ISM bands for QRPP beaconing in the latest SPRAT. In the UK this means 10...
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