11 Sept 2014
Sunspots and HF
Sunspots count today is 161 (blackouts) with 20-30MHz propagation "poor". Today could be another disturbed day.
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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.
At one time renewable energy was expensive, but not any more. The cost of solar panels in particular has dropped dramatically. The cost of ...
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