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  2. Brant Rock, Massachusetts
    • According to 2 sources
    The first voice and music signals heard over radio waves were transmitted in December 1906 from Brant Rock, Massachusetts (just south of Boston), when Canadian experimenter Reginald Fessenden produced about an hour of talk and music for technical observers and any radio amateurs who might be listening.
    According to some sources, notably Fessenden's wife Helen's biography, on Christmas Eve 1906, Reginald Fessenden used an Alexanderson alternator and rotary spark-gap transmitter to make the first radio audio broadcast, from Brant Rock, Massachusetts.
     
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    Invention of radio - Wikipedia

    The invention of radio communication was preceded by many decades of establishing theoretical underpinnings, discovery and experimental investigation of radio waves, and engineering and technical developments related to their transmission and detection. These developments allowed Guglielmo Marconi to … See more

    Before the discovery of electromagnetic waves and the development of radio communication, there were many wireless telegraph systems proposed and tested. In April 1872 William Henry Ward received U.S. patent 126,356 for … See more

    Development of electromagnetism image

    The Branly detector
    In 1890, Édouard Branly demonstrated what he later called the "radio-conductor," which Lodge in 1893 named the coherer, the first sensitive … See more

    Marconi
    Guglielmo Marconi studied at the Leghorn Technical School, and acquainted himself with the published … See more

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    Radio based wireless telegraphy image

    Various scientists proposed that electricity and magnetism were linked. Around 1800 Alessandro Volta developed the first means of producing … See more

    During 1789–91, Luigi Galvani noticed that a spark generated nearby caused a convulsion in a frog's leg being touched by a scalpel. In … See more

    Popov's lightning detector
    In 1894–95 the Russian physicist Alexander Stepanovich Popov conducted experiments developing a radio receiver, an improved version of See more

    Fessenden
    In late 1886, Reginald Fessenden began working directly for Thomas Edison at the inventor's new … See more

     
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    WebLearn about the history of radio, a form of mass media and sound communication by radio waves, from its birth in 1906 to its current role in the 21st century. Find out where radio was invented, who were the pioneers, …

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  11. Guglielmo Marconi - Wikipedia

    WebGuglielmo Giovanni Maria Marconi, 1st Marquis of Marconi FRSA ( Italian: [ɡuʎˈʎɛlmo marˈkoːni]; 25 April 1874 – 20 July 1937) was an Italian [1] [2] [3] [4] inventor and electrical engineer, known for his creation of a practical

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  13. Guglielmo Marconi - HISTORY

    WebDec 2, 2009 · Italian inventor and engineer Guglielmo Marconi (1874-1937) developed, demonstrated and marketed the first successful long-distance wireless telegraph and in 1901 broadcast the first...

  14. Guglielmo Marconi and the Birth of Radio - JSTOR Daily

    WebDec 12, 2014 · Learn how the Italian engineer Guglielmo Marconi made the first transatlantic radio transmission on December 12, 1901, inspired by the German physicist Heinrich Hertz. Explore his early experiments, his …

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