EA8FF on the Polyakov RX (note the 50Hz and harmonics lines locally generated) |
Next stage is to add a small preamp to see if this helps reduce the common mode 50Hz pick-up and increase the sensitivity another few dB.
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.
EA8FF on the Polyakov RX (note the 50Hz and harmonics lines locally generated) |
Amazingly, EA8BFK (2880km) has spotted my extreme QRPP 6 times already!! I had to double check it really was 500uW (0.5mW). It definitely ...
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