18 Dec 2017
Sunspots - Monday December 18th 2017
Solar flux is 70 today and the sunspot number zero. A=24 and K=4. Not promising on higher HF.
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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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