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Radio History

By chasecon

  • Maxwell demonstrates idea electromagnetic waves can move freely in space

    Maxwell demonstrates idea electromagnetic waves can move freely in space
    James Clerk Maxwell showed in theoretical and mathematical form in 1864 that electromagnetic waves could propagate through free space.

  • Marconi raises the antenna and creates wireless telegraphy

    Marconi raises the antenna and creates wireless telegraphy
    In 1884, Marconi created the first successful wireless telegraphy. He was successful with is work but it only transmitted half a mile. To correct the problem Marconi raised the antenna higher. Doing this waves were able to be transmitted up to two miles.

  • Roberto Landell de Moura gets awarded a patent

    Roberto Landell de Moura gets awarded a patent
    In 1900, Brazilian priest Roberto Landell de Moura transmitted the human voice wirelessly for a distance of approximately a half mile. One year after that experiment, he received his first patent from the Brazilian government. Four months later, knowing that his invention had real value, he left Brazil for the United States with the intent of patenting the machine in the US.

  • Marconi had help

    Marconi had help
    In 1904, The U.S. Patent Office reversed its decision, awarding Marconi a patent for the invention of radio, possibly influenced by Marconi's financial backers in the States, who included Thomas Edison and Andrew Carnegie.

  • Titanic Sinks and telegraphy expands on ships

    Titanic Sinks and telegraphy expands on ships
    In 1912, the RMS Titanic sank in the northern Atlantic Ocean. After this, wireless telegraphy using spark-gap transmitters quickly became universal on large ships.

  • First continuous brodact in the world.

    First continuous brodact in the world.
    On March 8, 1916, Harold Power with his radio company American Radio and Research Company (AMRAD), broadcast the first continuous broadcast in the world from Tufts University under the call sign 1XE (it lasted 3 hours). The company later became the first to broadcast on a daily schedule, and the first to broadcast radio dance programs, university professor lectures, the weather, and bedtime stories.[53]

  • The first radio brodcast

    The first radio brodcast
    The first radio news program was broadcast August 31, 1920 by station 8MK in Detroit, Michigan, which survives today as all-news format station WWJ under ownership of the CBS network. The first college radio station began broadcasting on October 14, 1920 from Union College, Schenectady, New York under the personal call letters of Wendell King, an African-American student at the school.

  • First Telephone Service was commercialized by AT&T

    First Telephone Service was commercialized by AT&T
    In 1947 AT&T commercialized the Mobile Telephone Service. From its start in St. Louis in 1946, AT&T then introduced Mobile Telephone Service to one hundred towns and highway corridors by 1948. Mobile

  • First entertainment Brodcast

    First entertainment Brodcast
    That month 2ADD (renamed WRUC in 1947), aired what is believed to be the first public entertainment broadcast in the United States, a series of Thursday night concerts initially heard within a 100-mile (160 km) radius and later for a 1,000-mile (1,600 km) radius.

  • Music on the radio makes big bucks

    Music on the radio makes big bucks
    In 2003, revenue from online streaming music radio was US$49 million. By 2006, that figure rose to US$500 million.[3] A February 21, 2007 "survey of 3,000 Americans released by consultancy Bridge Ratings & Research" found that "[a]s much as 19% of U.S. consumers 12 and older listen to Web-based radio stations." In other words, there were "some 57 million weekly listeners of Internet radio programs.