Posted on February 12, 2019 by jh1oodMake CW signals audible with a BFO This is demodulating a CW signal with a BFO. A 7076kHz CW signal comes into the receiver as a 2kH IQ signal, and the BFO is set to 2.7kHz to get a 700Hz audible tone. https://spinorlab.matrix.jp/en/wp-content/uploads/2019/02/cqbfo.wav