UPDATE 1430z: Many spots by EA8BFK (2880km) and a station in Greece.
UPDATE 1904z: Amazing day! 6 stations have spotted my 500uW (0.5mW) 10m WSPR today. See map on WSPR Rocks by VK7JJ. When conditions are good this tiny power is enough.
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.
UPDATE 1430z: Many spots by EA8BFK (2880km) and a station in Greece.
UPDATE 1904z: Amazing day! 6 stations have spotted my 500uW (0.5mW) 10m WSPR today. See map on WSPR Rocks by VK7JJ. When conditions are good this tiny power is enough.
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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