Ford: The Evolution of the Car Radio image

When Americans hit the roads this weekend for their Labor Day travels and turn on their car radios, they may not realize just how significantly the car radio has evolved from its origins during the Great Depression.
From the first commercially available model appearing in 1930, through the addition of 8track, cassette tape and CD players, to today’s systems that offer HD Radio, satellite radio and Internet radio, the ubiquitous car radio has undergone a series of significant changes.

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Radio Evolution