A starry-eyed few thousand owners of the latest fangled radio sets in areas around New York City, Boston, Washington, Columbus (Ohio), Chicago and Milwaukee, nowadays enjoy radio entertainment that is ...

Modulation is the act of translating some low-frequency or baseband signal (voice, music, and data) to a higher frequency. Why do we modulate signals? There are at least two reasons: to allow the ...

FM, which stands for Frequency Modulation, is one of the radio broadcasting systems in the UK. FM uses frequencies from 87.5 MHz to 108MHz. The BBC broadcasts a number of UK-wide network services e.g.