Guest Post: Using Carrier Sleuth to Find the Fine Details of DX
Using Carrier Sleuth to Find the Fine Details of DX by Nick Hall-Patch Introduction Medium wave DXers are not all technical experts, but most of us understand that the amplitude modulated signals that we listen to are defined by a strong carrier frequency, surrounded on either side by a band of mirror image sideband frequencies, containing the audio information in the broadcast. Most DXers’ traditional experience of carriers has been in using the BFO of a receiver, using USB or LSB mode, and hearing the decreasing audio tone approaching “zero beat” of the receiver’s internal car...