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All India Radio(AIR), officially known since 1956 as 'Akashvani' is the national public radio broadcaster of India.It was established in 1936. All India Radio is the largest radio network in the world, and one of the largest broadcasting organizations in the world in terms of the number of languages broadcast and the spectrum of socio-economic and cultural diversity it serves.
All India Radio is the largest radio network in the world in terms of the number of languages broadcast, the socioeconomic diversity it serves, and the scale of its broadcasting organisation. AIR's domestic service includes 420 stations nationwide, covering nearly 92% of India's geographic area and 99.19% of its population, with programming ...
The history of film in India begins with the screening of Auguste and Louis Lumière moving pictures in Bombay during the July 1895. [37] Raja Harishchandra, a full-length feature film, was initiated in 1912 and completed later. [37] Alam Ara (released 14 March 1931), directed by Ardeshir Irani, was the first Indian movie with dialogues. [38]
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.
The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer to general history .
The FM broadcasting in India began in 1977; growing popularity after 2001 when the privatisation of FM broadcasting began. AIR's FM LRS (Local Radio Station) was inaugurated on 1 July 2000 at 06:00 in Kodaikanal relaying Madurai programs in the frequency 100.5 MHz. 100.5 was so popular that LRS was upgraded to an FM Channel in just two months.
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]
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