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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.
Power series – The Kerala school of astronomy and mathematics or the Kerala school was a school of mathematics and astronomy founded by Madhava of Sangamagrama in Tirur, Malappuram, Kerala, India. Their work, completed two centuries before the invention of calculus in Europe, provided what is now considered the first example of a power series ...
FM uses frequency modulation of the radio wave to minimize static and interference from electrical equipment and the atmosphere, in the audio program. 1937: W1XOJ, the first experimental FM radio station after Armstrong's W2XMN, was granted a construction permit by the U.S. Federal Communications Commission (FCC).
Early iron objects found in India can be dated to 1400 BCE by employing the method of radio carbon dating. [48] Some scholars believe that by the early 13th century BCE iron smelting was practiced on a bigger scale in India, suggesting that the date of the technology's inception may be placed earlier. [ 47 ]
The first newspaper printed in India was Hicky's Bengal Gazette, started in 1780 under the British Raj by James Augustus Hicky. [12] Other newspapers such as The India Gazette, The Calcutta Gazette, The Madras Courier (1785), and The Bombay Herald (1789) soon followed. [12] These newspapers carried news of the areas under the British rule. [12]
The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.
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]
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.