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Jakes Clerck: Dynamic Theory of the Electromagnetic Field
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German, Heinrich Rudolf Hertz. Propagation without cables between two points, this was called Radioelectric spectrum
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Italian, Gugliermo Marconi started used the Radioelectric Spectrum. 1700 meters’ distance between the transmitting and receiving source
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First broadcast - transatlan radio reception
Message between England and newfoundland (3.300 kilometers) -
First radio experience in North American territory
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The KDKA station offers daily news service and in November of that year for the first time reports on the results of the electoral process in the United States in real time
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Physical appearance of the radio
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Radio Castilla, from Spain broadcasts live concerts from the Teatro Real in Madrid
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The English company Marconi Wireless Co. brought to Colombia the necessary infrastructure to improve communications and bring the radio to the country
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Broadcasting boom in Colombia. President Miguel Abadía Mendez, inaugurated the country's first broadcast radio (HJN) that after becoming the National Broadcasting Radio
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Physical appearance of the radio
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The first commercial broadcasters were born in Colombia
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During the government of Alfonso Lopez Pumarejo the radio could only have educational purposes
(Radio novels) -
Was implemented in Colombia radial models of United States and because of the death of Carlos Gardel the radio journalism genre was inaugurated.
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Physical appearance of the radio
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They appear the first cultural broadcasting station (HJCK) and the radial chains RCN, Caracol and Todelar
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Assassinated political leader Jorge Eliecer Gaitán, which led the broadcasters to issue and report the chaos and war that was being experienced in the country
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Radio Sutatenza appears, a station directed to the peasant public of all the country
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Physical appearance of the radio
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TV arrives in the country
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Radio Sutatenza appears, a station directed to the peasant public of all the country
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The National Institute of Radio and Television was founded
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Physical appearance of the radio
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Physical appearance of the radio
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The rise of many radial genres
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Physical appearance of the radio
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Popularization of FM radio
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Radio on the internet
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Physical appearance of the radio
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New technologies, internet and music