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Made the first radiophonic broadcast in Brazil, but the first radio officially acknowledged was Rádio Sociedade do Rio de Janeiro (actually, Rádio MEC). Also, it is one of the oldest stations in the world. [List entry too long] First Australian experiment in the broadcast of music: n/a AWA; Ernest Fisk; Sydney: 8 August 1919 AM [11]
The Dutch company Nederlandsche Radio-Industrie and its owner-engineer, Hanso Idzerda, made its first regular entertainment radio broadcast over station PCGG from its workshop in The Hague on 6 November 1919. The company manufactured both transmitters and receivers.
1916: First regular broadcasts on 9XM (now WHA) – Wisconsin state weather, delivered in Morse Code; 1919: First clear transmission of human speech, (on 9XM) after experiments with voice (1918) and music (1917). 1920: Regular wireless broadcasts for entertainment began in Argentina, pioneered by the group around Enrique Telémaco Susini.
The photophone allowed for the transmission of sound on a beam of light, and on 3 June 1880, Bell and Tainter transmitted the world's first wireless telephone message on their newly invented form of light telecommunication. [10] [11] In the early 1890s Nikola Tesla began his research into high-frequency electricity.
Until the early 1930s, it was generally accepted that Lee de Forest, who conducted a series of test broadcasts beginning in 1907, and who was widely quoted promoting the potential of organized radio broadcasting, was the first person to transmit music and entertainment by radio. De Forest's first entertainment broadcast occurred in February ...
In 1978 his 47-year career in radio was hailed as the longest in world history. [68] Naomi ("Joan") Melwit and Norman Banks at the 3KZ microphone, in the late 1930s. The transistor radio first appeared on the market in 1954. In particular, it made portable radios even more transportable.
17 September – First radio broadcasts in Russia. [10] 2 October – CKAC, the first French language radio station in North America, launches in Montreal, Quebec. [11] 7 October – Speaking on radio station 2LO, the Prince of Wales becomes the first member of the British royal family to make a public broadcast. [12] 6 November – The ...
Milestones in radio: the first half century (1895–1945). The UNESCO courier (February 1997), p. 16–21; Radio Review/Radio Listeners Guide (1925–1929), Broadcasting Yearbook (1935–2010), World Radio TV Handbook (1947–) Berg, Jerome S. The early shortwave stations: a broadcasting history through 1945 (2013) radioheritage.net