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Heinrich Hertz was the first to prove that you could receive waves wirelessly. -
In the late 1920s, you would have to have a license to have your own broadcasting and the FRC was created to clean the sound of radio. -
It charged you 50$ to listen to a 20 minute broadcast recorded in an apartment. -
The radio was an entertaining source for people affected by the Great Depression in the US and the listening rate got higher. -
The rise of the TV immediately lost so many radio listeners because people were much more focused on watching dramas or soap operas. -
Edwin Armstrong created the talk news on the AM radio and broadcasted jazz or rock and roll on the Fm radio.