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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.
- Timeline of radio - Wikipedia
The timeline of radio lists within the history of radio, the...
- Radio - Wikipedia
In wireless radio remote control devices like drones, garage...
- Timeline of radio - Wikipedia
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.
- Radio is sound communication by radio waves, usually through the transmission of music, news, and other types of programs from single broadcast sta...
- Efforts were made to use radio in World War I, but the technology proved unreliable. Wireless sets were available in battlefield trenches, where th...
- Radio waves are located at the low-frequency end of the electromagnetic spectrum, beneath gamma rays, X-rays, ultraviolet light, visible light, inf...
- The first practical wireless radio communication system was developed in Italy by Guglielmo Marconi. Marconi built on the mathematics of physicist...
The radio broadcasting of music and talk intended to reach a dispersed audience started experimentally around 1905–1906, and commercially around 1920 to 1923. VHF (very high frequency) stations started 30 to 35 years later.
História. As primeiras radioemissões. Tecnologia. Receptor. Transmissor. Transceptor. Audiência. Ver também. Referências. Ligações externas. Rádio (telecomunicações) Nota: Se procura outros significados da palavra, veja Rádio.
Acontece a primeira transmissão esportiva em rede nacional no Brasil. 1941 : A Rádio Nacional lança o Repórter Esso, primeiro rádio jornal brasileiro, também entra no ar a primeira novela radiofônica do país: "Em busca da felicidade". 1946 : Surgem os gravadores de fita magnética, dando maior agilidade ao rádio.
