Radio

Radio History

  • The inventor of radio

    The inventor of radio
    Marconi was the first person to send and recive a radio signal in 1895.
  • First transatlantic message

    First transatlantic message
    Marconi sent a signal across the atlantic two years earlier to Newfoundland and recieved the letter 2 two years later
  • First successful radio conversation

    First successful radio conversation
    A Marconi radio station located in Wellfleet, Massachusetts was the first to carry a conversation between President Theodore Roosevelt and English King Edward VII
  • Audion Tube

    In 1906 Lee De Forest came up with the idea of an Audion tube that is used to amplify radio signals. Although some believe that it was Reginald Fessender that came p with idead and Lee took credit for it.
  • The first human voice broadcasted across the Atlantic

    The first human voice broadcasted across the Atlantic
    In 1915, speech was first transmitted across the continent from New York City to San Francisco and across the Atlantic Ocean from Naval radio station NAA at Arlington, Virginia, to the Eiffel Tower in Paris.
  • Radio Restrictions

    Radio Restrictions
    When the U.S. entered the first World War the govenment took control of all radio patents and restricted radio waves to prevent enemy spies from accesing information. Laater in 1919 after the war ended the govenment released control of all patents.
  • RCA formation

    RCA formation
    In 1919 the RCA was formed to control the distibution of radio patents in the US after the war
  • First Radio Schedule

    First Radio Schedule
    Westinghouse's KDKA-Pittsburgh broadcast the Harding-Cox election returns and began a daily schedule of radio programs.
  • First ship-to-shore conversation

    First ship-to-shore conversation
    At 400 miles away from shore the S.S. America has the first ship-to-shore conversation with Dual Beach and New Jersey
  • Radiotelephony

    Radiotelephony
    In 1927 the firs commercial Radiotelephony was linked between North American and Europe and 3 years later with South America
  • Inention of FM radio

    Inention of FM radio
    Edwin Howard Armstrong invented frequency-modulated or FM radio. FM improved the audio signal of radio by controlling the noise static caused by electrical equipment and the earth's atmospher.
  • the invention of the transistor

    the invention of the transistor
    Bell las scientist invented the tranistor, a device composed of semiconductor material that amplifies a signal or opens or closes a circuit, transistors have become the major componet in all digital circuits, including computer microprocessors which now contain millions of microscopic size transistors
  • Copyright for sound recordings

    Copyright for sound recordings
    The United States gives federal Copyright protection to sound recordings. Prior to this, phonograph records were only protected at state level, and not in all states.
  • American Idols Live cancels 8 shows

    American Idols Live cancels 8 shows
    Due to poor sales and possibly a decline in ratings and interest in this season's installment, the accompanying "American Idols LIVE! Tour 2010" cancels eight of its 38 shows
  • KROQ Weenie Roast

    KROQ Weenie Roast
    The 19th Annual KROQ Weenie Roast took place at the Verizon Wireless Amphitheatre in Irvine.[6]