3 Dec 2017
Sunspots - Sunday December 3rd 2017
Solar flux is 70 today and the sunspot number again zero. A=4 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.
In my professional life before I retired in 2008 I worked for Sepura as a design manager. In those days we led the way in TETRA radios. The...
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