Commercial Radio Broadcasting Begins

Article abstract: The 1920 presidential election returns give occasion to the first major commercial radio broadcast.

Summary of Event

At 8:00 p.m. on November 2, 1920, the airwaves near Pittsburgh, Pennsylvania, crackled with sound as the tiny, newly licensed KDKA radio station broadcast the first scheduled public radio program, the presidential election returns. Using only a 100-watt transmitter, Leo H. Rosenberg of Westinghouse Electric and Manufacturing Company’s publicity department, read the returns as they were received by telephone from the...

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