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Dealing with FT8 interference on 20m 4 #FT8 #qrm #lsb #20m

Most side band filters are asymmetric, with sharp cut to the carrier frequency and a lesser slope to the higher/lower cut off frequency , Or, as racal did with the ra6790 and move the oscillators abou

By Graham ·

#FT8 #qrm #lsb #20m

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