Radio - Wikipedia
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 oscillating electrical energy, often characterized as a wave.
History of radio - Wikipedia
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.
Radio | Definition, History, & Facts | Britannica
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.
Radio in the United States - Wikipedia
The most popular radio shows during the Golden Age of Radio included The Jack Benny Program, Fibber McGee and Molly, The Goldbergs and other top-rated American radio shows heard by 30–35 percent of the radio audience.
Golden Age of American radio | Definition, Shows, & Facts
Golden Age of American radio, period lasting roughly from 1930 through the 1940s, when the medium of commercial broadcast radio grew into the fabric of daily life in the United States, providing news and entertainment to a country struggling with economic depression and war.
Radio - Simple English Wikipedia, the free encyclopedia
Radio was first created as a way to send telegraph messages between two people without wires. Then two-way radio brought voice communication, including walkie-talkies and eventually mobile phones. Radio waves are still used to send messages between people.
Outline of radio - Wikipedia
Radio – transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light. [1] Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space.
The RadioReference Wiki
Sep 23, 2024 · The RadioReference.com Wiki Reference. This is the RadioReference.com Open Reference Source, the Radio Communications Resource that any RadioReference user can edit. Please feel free to share your knowledge by contributing information.
Radio and digital radio | How it works | AM and FM compared
May 20, 2022 · 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 was first developed in the late-19th century and reached the height of its popularity several decades later.
When Was Radio Invented? How Radio Changed The World - Radio …
Sep 12, 2023 · Guglielmo Marconi is credited for inventing the radio in 1895. He was successful in sending and receiving Morse-based radio signals in 1896 over approximately 4 miles (6 kilometers) in England. After this success, Marconi applied for and was granted the first patent in wireless telegraphy globally.