“FM — no static at all” begins the song sung in the ‘70s by the jazz-rock group Steely Dan. This article shows how to combine hardware, software, and your PC to build Software Defined Radios (SDRs) to receive FM radio broadcasts and more.
Stations in the FM band typically broadcast a composite baseband signal that may include monophonic and stereophonic voice and music, subsidiary communications authorization (SCA) services (at one time elevator music, for example), and Radio Data System (RDS) services (providing station and programming information), among some of the possibilities. more…