2min chapter

99% Invisible cover image

The Divided Dial

99% Invisible

CHAPTER

Radio in the 1970s - FM

The legal battle that started with civil rights leaders ended up providing all sorts of people with tools to increase speech on the air. So conservative voices were definitely on the air, but it was far from the one sidedness you're liable to hear today. All of these legal changes coincided with the explosion of FM radio, which overtook AM and listenership in the late 1970s.

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