25 Jun 2017
Sunspots and 10m - Sunday June 25th 2017
Solar flux is little changed at 74 today. Sunspot number is 28. A=9 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 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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