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The "radio industry" is a generic term for any companies or public service providers who are involved with the broadcast of radio stations or ancillary services. Radio broadcasters can be broken into at least two different groups: Public service broadcasters are funded in whole or in part through public money.
Growth divided television broadcasting into several genres, such as fiction, news, sports, and reality television. Cable television provided more channels, especially for entertainment. By the late 20th century radio (sound) broadcasting had similarly divided, with stations specializing in a particular musical genre, or news or sports.
The Radio Act of 1910 signed into law. [1] 1911: A radio division was established by the Department of Commerce to govern the Radio Act of 1910. [1] 1912: Congress passed the "Marine Act" to regulate communications. This was the first general US law to oversee the use of radio transmissions. [1] 1927: The Federal Radio Act formed the Federal ...
The initial broadcasting experimentation came to an abrupt halt with the entrance of the United States into World War I in April 1917, as the federal government immediately took over full control of the radio industry, and it became illegal for civilians to possess an operational radio receiver. [56]
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.
In radio communication, used in radio and television broadcasting, cell phones, two-way radios, wireless networking, and satellite communication, among numerous other uses, radio waves are used to carry information across space from a transmitter to a receiver, by modulating the radio signal (impressing an information signal on the radio wave ...
Indeed, the music recording industry had a severe drop in profits after the introduction of the radio. For a while, it appeared as though radio was a definite threat to the record industry. Radio ownership grew from two out of five homes in 1931 to four out of five homes in 1938.
Broadcasting began with AM radio, which came into popular use around 1920 with the spread of vacuum tube radio transmitters and receivers. Before this, most implementations of electronic communication (early radio , telephone , and telegraph ) were one-to-one , with the message intended for a single recipient.