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Radio

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  • 1. World history of radio broadcastingWireless telegraph inventionDecisive role in the emergence of radiobroadcasting Marconi Marconi made ​the first wireless telegraph
  • 2. World history of radio broadcasting The first telegraph message transmissionMorse through wired telegraphyHertz Discovered the presence of high-frequencyBell Telephone invention (1875) The likelihood of success of wireless telegraphy Preview The rapid development of wireless communication technology Triode since the invention of the United States de-Foret (1906)
  • 3. History of radio usage Of the First World War, the military use of wireless communication After the war the United States through a radio receiver for sale bangtaekPresidential election broadcast the first official broadcast of KDKA broadcastersFrom established broadcasters throughout the 1920s Broadcast nature of the entertainment increase
  • 4. History of radio usageFinancial difficulties faced by advertising introduced an operating approach adopted The Great Depression of the 1930s, the radio activation By FM 1933 to Major Armstrong appeared Radios golden age from the mid-1930s until 1950, Local broadcasters in the program itself, rather than a network program in the 1960s are beginning to focus
  • 5. Radio development process step Stages of the wireless transmission 1920 birth of the first radio broadcaster Step of broadcasting network Provide to local broadcasters nationwide broadcast with the advent of the radio network Stages of local music and news Reconfiguration was in the form of the music of non- broadcast local news and information programs that provide formatting The era of digital technology
  • 6. The history of radio broadcasting in Korea* Broadcasting history, origin 5 set JODK countries, First broadcastKoihime transmitting station, Seogyo saenggimU.S. military liberation, affective broadcast received - Koreans elected asa directorHL callsign grantPublications under the Government of the Republic of Korea to establish,KBS entering