23 Feb 2015
Sunspots and 10m
Sunspot number today is 49 and 10m propagation is described as "poor". Despite this, my little 10m 500mW WSPR beacon was being copied in W.Australia earlier this afternoon.
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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.
These were very popular QRP CW transceivers some years ago. I owned a built one and had lots of fun with it. As I recall, I mostly used it o...
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