You can tell, because he named the special multipath canceling circuit in his tuner ”The Asymmetrical Charge-Coupled FM Stereo Detector.” Although the name is worthy of science fiction, the ...

AM radios were easy to understand. The strength of the signal goes up and down, and the audio follows. FM radio is a little more difficult. [AllAmericanFiveRadio] has an old tube FM set and takes u… ...