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CHAPTER 6 // TIMELINE | |
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First telegraph line is set up between Washington, D.C., and Baltimore, Maryland. |
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The Italian inventor begins experiments on wireless telegraphy, seeing his invention as a means for point-to-point communication. |
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American inventor develops the Audion vacuum tube for amplifying radio sound. |
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Congress passes this act, requiring that all major ships be equipped with wireless radio. |
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The navy closes down all amateur radio stations to ensure military security as the United States enters World War I. |
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The first radio advertisements cause an uproar as people question the right to pollute the public airwaves with commercial messages. |
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NBC is created, the first lasting network of radio stations; connected by AT&T long lines, the network broadcasts nationally and plays a prominent role in unifying the country. |
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Radio stations are required to operate in the “public interest, convenience, or necessity.” |
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CBS is founded and becomes a competitor to NBC. |
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Living rooms are filled with music, drama, comedy, variety and quiz shows, and news. |
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This act allows commercial interests to control the airwaves. |
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ABC is formed when RCA is forced to sell NBC-Blue. |
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In the wake of TV’s popularity, radio suffers but is resurrected via rock-and-roll music formats and transistor radios. |
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Invented by Edwin Armstrong in the 1920s and 1930s, a new format finally gains national popularity. |
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Talk radio becomes the most popular format, especially on AM stations. |
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This law effects a rapid, unprecedented consolidation in radio ownership across the United States. |
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In the second half of the decade, Internet radio—either streaming the content of an on-air station or an exclusive Webcast—takes hold. |
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A new format begins service. |
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The combination of iPods and broadcasting creates podcasts, downloadable audio file programs posted to the Internet. |
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The popular Spotify service comes to the United States. |