Radio main

Radio

By JMMoore16

  • 1st patented "radio" device

    1st patented "radio" device
    Edison took out a patent on a system of radio communication between ships, which he then sold to Guglielmo Marconi

  • first "wirless" transmission sent

    first "wirless" transmission sent
    At St. Louis, Missouri, Tesla gave a public demonstration of "wireless" radio communication. Addressing the Franklin Institute in Philadelphia and the National Electric Light Association

  • the first audio radio broadcast

    the first audio radio broadcast
    Reginald Fessenden used an Alexanderson alternator and rotary spark-gap transmitter to make the first radio audio broadcast, from Brant Rock, Massachusetts. Ships at sea heard a broadcast that included Fessenden playing O Holy Night on the violin and reading a passage from the Bible.

  • first wirless transmission from north america to europe

    first wirless transmission from north america to europe
    Marconi initiated duplex transatlantic wireless communication between North America and Europe for the first time, using receiver stations in Letterfrack Ireland, and Louisbourg, Nova Scotia.

  • first regular radio broadcast

    first regular radio broadcast
    First regular broadcasts on 9XM (now WHA) - Wisconsin state weather, delivered in Morse Code

  • the first commercial broadcasting staion is liscinsed

    the first commercial broadcasting staion is liscinsed
    Westinghouse in Pittsburgh, Pennsylvania became the first US commercial broadcasting station to be licensed when it was granted call letters KDKA. (Their engineer Frank Conrad had been broadcasting from his own station since 1916.)