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The major providers of Internet radio in the United States include iHeartRadio and Audacy (both of which are owned by major terrestrial station ownership groups iHeartMedia and Audacy, Inc. respectively), Pandora (owned by SiriusXM), Apple Music and Spotify; Pandora, Apple Music and Spotify operate exclusively on the Internet, while iHeart and ...
This Philco car radio model was the first tubeless auto set in history to be developed and produced. [2] It was a $150 option for 1956 Chrysler and Imperial cars and hit the showroom floor on October 21, 1955. [3] [4] [5]
Radio communication (originally known as "wireless telegraphy") was developed in the late 1890s, but it was initially largely unregulated in the United States. The Wireless Ship Act of 1910 mandated that most passenger ships exiting U.S. ports had to carry radio equipment under the supervision of qualified operators, however individual stations ...
The Golden Age of Radio, also known as the old-time radio (OTR) era, was an era of radio in the United States where it was the dominant electronic home entertainment medium. It began with the birth of commercial radio broadcasting in the early 1920s and lasted through the 1950s, when television gradually superseded radio as the medium of choice ...
Broadcasting in the United States began with experiments with wireless transmission during the 19th century, with varying degrees of success. These transmissions were initially by radio hobbyists fascinated with the technology. Once techniques were perfected, radio became a necessity for military and commercial users alike.
The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy". Later radio history increasingly involves matters of broadcasting.
Before the discovery of electromagnetic waves and the development of radio communication, there were many wireless telegraph systems proposed and tested. [4] In April 1872 William Henry Ward received U.S. patent 126,356 for a wireless telegraphy system where he theorized that convection currents in the atmosphere could carry signals like a telegraph wire. [5]
[3] Gallery 3: Radio Comes of Age: Radio becomes a fixture in many American households and the Federal Communications Commission is formed to regulate radio stations. [4] Gallery 4: Radio’s Golden Age: With improving technology, radios became less expensive and smaller. Radio also became a main source of family entertainment. [5]