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Italian inventor,sent and received first Radio signal in 1895.
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In 1906, Lee De Forest, created(or "borrowed" the idea for) the audion tube, a vacuum tube that amplified signals.
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Was founded in 1920.8XK, later renamed KDKA, by Frank Conrad. Still around today broadcasting out of Pittsburg Pennsylvania.
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in 1922 WEAF aired a 10 min 'commercial' or toll broadcast, for an Apartment complex charging $50.
