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AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave transmissions, but also on the longwave and shortwave radio bands.
Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio station, while in satellite radio the radio waves are broadcast by a satellite in Earth orbit. To receive the content the listener must have a broadcast radio receiver (radio). Stations are often affiliated with a radio network that provides content in a common radio format, either in broadcast syndication or simulcast, or both. The encoding of a radio broadcast depends on whether it uses an analog or digital signal. Analog radio broadcasts use one of two types of radio wave modulation: amplitude modulation for AM radio, or frequency modulation for FM radio. Newer, digital radio stations transmit in several different digital audio standards, such as DAB, HD radio, or DRM.
All India Radio (AIR), also known as Akashvani, is an Indian state-owned public radio broadcaster founded by the Government of India, owned by the Ministry of Information and Broadcasting and one of Prasar Bharati's two divisions. It was established in 1936. It is the sister service of Prasar Bharati's Doordarshan, an Indian television broadcaster. Headquartered in the Akashvani Bhavan building in New Delhi, it houses the Drama Section, the FM Section, and the National Service, and is also home to the Indian television station Doordarshan Kendra, (Delhi).
Campus radio is a type of radio station that is run by the students of a college, university or other educational institution. Programming may be exclusively created or produced by students, or may include program contributions from the local community in which the radio station is based. Sometimes campus radio stations are operated for the purpose of training professional radio personnel, sometimes with the aim of broadcasting educational programming, while other radio stations exist to provide alternative to commercial broadcasting or government broadcasters.
Radio 538 is a Dutch commercial radio station founded in Hilversum, Netherlands in 1992. It is the second-most listened to radio station in the Netherlands. The name "Radio 538" is a reference to the wavelength on which Radio Veronica used to broadcast in the 1970s. The station is owned by Talpa Network.
CHOQ-FM is a Canadian radio station which began broadcasting in 2006. A non-profit community radio station for Franco-Ontarians in Toronto, Ontario, the station broadcasts at 105.1 on the FM dial. CHOQ is also available as a digital television radio feed on Rogers Cable in the Greater Toronto Area on channel 957. CHOQ's studios are located on Lansdowne Avenue in the Dufferin Grove neighbourhood, while its transmitter is located atop First Canadian Place.
FM broadcasting is a method of radio broadcasting that uses frequency modulation (FM) of the radio broadcast carrier wave. Invented in 1933 by American engineer Edwin Armstrong, wide-band FM is used worldwide to transmit high-fidelity sound over broadcast radio. FM broadcasting offers higher fidelity—more accurate reproduction of the original program sound—than other broadcasting techniques, such as AM broadcasting. It is also less susceptible to common forms of interference, having less static and popping sounds than are often heard on AM. Therefore, FM is used for most broadcasts of music and general audio. FM radio stations use the very high frequency range of radio frequencies.
WJMN is a rhythmic CHR radio station licensed to Boston, Massachusetts, United States, and is owned and operated by iHeartMedia. The station's studios are located in Medford and its transmitter site is in Newton, Massachusetts.
Radio Monte Carlo (RMC) is the name of radio stations owned and managed by several different entities:
Caracol Radio is one of the main radio networks in Colombia. Founded in Medellín in 1948 when La Voz de Antioquia station acquired the 50% of Emisoras Nuevo Mundo, based in Bogotá.
WRCH is a commercial radio station licensed to New Britain, Connecticut, and serving the Greater Hartford and New Haven areas. It is owned by Audacy, Inc. and airs an adult contemporary radio format.
WPOC is a commercial radio station in Baltimore, Maryland. It airs a country music radio format and is owned by iHeartMedia, Inc. The studios and offices are at The Rotunda Shopping Center, on West 40th Street, in Baltimore.
Radio Mindanao Network, Inc. (RMN), d.b.a. RMN Networks or RMN Network, is a Filipino media company based in Makati, Philippines. It is primarily involved is one of the largest radio networks. Its corporate office is located at the 4th Floor State Condominium I Bldg, Salcedo St., Legaspi Village, Makati, and its main headquarters are located at the RMN Broadcast Center, Don Apolinario Velez St., Cagayan de Oro.
A broadcast relay station, also known as a satellite station, relay transmitter, broadcast translator (U.S.), re-broadcaster (Canada), repeater or complementary station (Mexico), is a broadcast transmitter which repeats the signal of a radio or television station to an area not covered by the originating station.
Multiple record charts have been inaugurated in Romania since the 1990s. The Romanian Top 100 was the country's national chart until 2012. Founded in 1995, it was a ranking based on the compilation of charts submitted by local Romanian radio stations. The Romanian Top 100 was published weekly and was also announced during a radio show starting in 1998. Compilation of the list was first handled by Body M Production A-V, followed by Media Forest. In the 2010s, the chart was announced during a podcast on Kiss FM, but the broadcast ended in February 2012.
KOSY-FM is a radio station licensed to Anamosa, Iowa, and serving the Cedar Rapids metropolitan area. It airs a contemporary hit radio format and is owned by iHeartMedia, Inc. The station's studios are at "Broadcast Park" near the intersection of Collins Road and Old Marion Road NE in Cedar Rapids.
Radio Educación is a cultural radio station in Mexico, based in Mexico City. Radio Educación airs Spanish-language cultural and educational programming. The primary broadcast signal is XECPAE-AM 1060 kHz, broadcasting on a North American clear-channel frequency and sharing Class A status with KYW in Philadelphia, Pennsylvania. Radio Educación also operates a shortwave station, XEPPM-OC on 6.185 MHz, and an FM radio station in Mérida, Yucatán, as well as FM stations to be built at Hermosillo, Sonora, and Morelia, Michoacán.
Northern Public Radio is the public radio service of Northern Illinois University. It consists of two full-powered FM stations and three lower-powered satellites, all affiliated with National Public Radio. The group is headquartered at NIU's campus in DeKalb, Illinois, with additional studios in Rockford. Although DeKalb is part of the Chicago radio market, Northern Public Radio serves as the NPR member for the Rockford market.
Radio in Mexico is a mass medium with 98 percent national penetration and a wider diversity of owners and programming than on television. In a model similar to that of radio in the United States, Mexican radio in its history has been largely commercial, but with a strong state presence and a rising number of noncommercial stations in the 2000s and early 2010s. In August 2015, there were 1,999 legal radio stations, almost 75 percent of them on the FM band.
References
- ↑ Instituto Federal de Telecomunicaciones. Infraestructura de Estaciones de Radio FM. Last modified 2018-05-16. Retrieved July 15, 2024. Technical information from the IFT Coverage Viewer.