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.
22 Dec 2015
DL-SWL reports last night on 630m (472kHz) WSPR
Last night DL-SWL (701km) spotted my 5mW ERP 472kHz WSPR from the earth-electrode "antenna" no less than 12 times, which was quite remarkable. He must have a good system as I was peaking at -25dB S/N at times, although very weak not surprisingly.
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