What is BFO in shortwave?
What is BFO in shortwave? In a radio receiver, a beat frequency oscillator or BFO is a dedicated oscillator used to create an audio frequency signal from Morse code radiotelegraphy (CW) transmissions to make them audible. How does a BFO work? The beat frequency oscillator (BFO) is used for CW and SSB reception. The oscillator […]