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Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio station, while in satellite radio the radio waves are broadcast by a satellite in Earth orbit.
May 20, 2022 · Until the Internet came along, nothing could rival the reach of radio—not even television. A radio is a box filled with electronic components that catches radio waves sailing through the air, a bit like a baseball catcher's mitt, and converts them back into sounds your ears can hear.
Radio, sound communication by radio waves, usually through the transmission of music, news, and other types of programs from single broadcast stations to multitudes of individual listeners equipped with radio receivers. Learn more about the history of radio in this article.
George Burns and Gracie Allen, 1958.- Edgar Bergen with his ventriloquist's dummy Charlie McCarthy.
- Radio performers Freeman Gosden (left) and Charles Correll (right) reading a script for their situation comedy
- Graham McNamee of radio station WEAF broadcasting a baseball game from the 1924 World Series at Griffith Stadium, Washington, D.C.
- Walter Winchell
- American news broadcasters Edward R. Murrow (left) and William L. Shirer (right).
At its most basic level, radio is communication through the use of radio waves. This includes radio used for person-to-person communication as well as radio used for mass communication. Both of these functions are still practiced today.
Radio is the technology of communicating using radio waves. [1] [2] [3] Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates the waves.
United States portal. v. t. e. Radio broadcasting has been used in the United States since the early 1920s to distribute news and entertainment to a national audience. In 1923, 1 percent of U.S. households owned at least one radio receiver, while a majority did by 1931 and 75 percent did by 1937.
May 30, 2023 · Radio waves control everything from AM/FM broadcasts to wireless networks to garage door openers. William Taufic/Getty Images. Electromagnetic radio waves are one of the most significant discoveries for 20th and 21st century technology. You don't see them, but countless high frequency waves are bouncing through the air around you every day.
