13 Jul 2017
Sunspots - Thursday July 13th 2017
Solar flux is 90 today (high) and the sunspot number 43 (high for this part of the sunspot cycle). A=4 and K=1.
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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.
Back in 2017 we visited Pompeii in Italy. You may remember it was covered in volcanic ash from Vesuvius in AD79. Effectively it became a tim...
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