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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.
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.
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.
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.
KHCB-FM is a non-commercial radio station in Houston, Texas. It broadcasts a Christian talk and teaching format with some Christian music programs. It is owned by Houston Christian Broadcasters, Inc., a non-profit organization. The studios and offices are on South Boulevard in Houston. It has always been a Christian station, signing on the air on March 9, 1962.
France Bleu is a network of local and regional radio stations in France, part of the national public broadcasting group Radio France. The network has a public service mission to serve local audiences and provides local news and content from each of its forty-four stations.
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.
WNRT, branded on-air as Trinufo 96.9 FM, is a radio station broadcasting a Contemporary Christian format. Licensed to Manati, Puerto Rico, it serves the northern Puerto Rico area. and it is currently owned by Arecibo Broadcasting Corporation.
WMIO is a radio station broadcasting a Rhythmic Top 40 format. Licensed to Cabo Rojo, Puerto Rico, it serves the Puerto Rico area. The station is currently owned by Uno Radio Group and repeats the audio of WCMN-FM.
WCMN-FM is a radio station broadcasting a contemporary hit radio format. Licensed to Arecibo, Puerto Rico, it serves the Puerto Rico area. The station is currently owned by Uno Radio Group.
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.
Fundación Cultural para la Sociedad Mexicana, A.C. is a Mexican civil association whose primary activity is the operation of radio stations.
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.
In Brazil, the FM extended band, abbreviated eFM, refers to the extension of the FM broadcast band between 76.1 and 87.3 MHz, beyond the conventional band of 87.5 to 108 MHz that was previously used. The reclaimed spectrum was previously used to broadcast analog television channels 5 and 6 before the country's digital television transition. The first eFM stations began broadcasting on May 7, 2021, and the spectrum is being used as part of a plan to migrate AM stations to the FM band.
References
- ↑ Instituto Federal de Telecomunicaciones. Infraestructura de Estaciones de Radio FM. Last modified 2018-05-16. Retrieved 2015-09-11. Technical information from the IFT Coverage Viewer.
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