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This article is about communications systems in the Federated States of Micronesia.
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.
A clear-channel station is a North American AM radio station that has the highest level of protection from interference from other stations, particularly from nighttime skywave signals. This classification exists to ensure the viability of cross-country or cross-continent radio service enforced through a series of treaties and statutory laws. Known as Class A stations since the 1983 adoption of the Regional Agreement for the Medium Frequency Broadcasting Service in Region 2, they are occasionally still referred to by their former classifications of Class I-A, Class I-B, or Class I-N. The term "clear-channel" is used most often in the context of North America and the Caribbean, where the concept originated.
Call signs are frequently still used by North American broadcast stations, in addition to amateur radio and other international radio stations that continue to identify by call signs worldwide. Each country has a different set of patterns for its own call signs. Call signs are allocated to ham radio stations in Barbados, Canada, Mexico and the United States.
XEW-AM is a radio station in Mexico City, Mexico, broadcasting on the AM frequency of 900 kHz; it is branded as W Radio. XEW-AM serves as the originating station for other "W Radio" stations around Mexico that carry some of its programs. The programming on XEW-AM is also simulcast on Mexico City FM radio station 96.9 XEW-FM.
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.
CKSB-10-FM is a Canadian public radio station serving the Winnipeg Metropolitan Region in Manitoba. It is owned by the Société Radio-Canada (CBC) and airs the Ici Radio-Canada Première network, concentrating on news and talk in French. It had been licensed to Saint Boniface, which was a separate city until it was annexed by Winnipeg in 1971. Even though the call sign includes a number, usually indicating the station is a rebroadcaster, CKSB-10-FM originates some of its own local programming and contributes to the Ici Radio-Canada Première network.
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.
WACO-FM is a commercial radio station in Waco, Texas. It airs a country music radio format and is owned by iHeartMedia, Inc. The studios and offices are located on West Highway 6 in Southwest Waco. The transmitter is off Tower Drive in McLennan County in the community of Moody, amid towers for other local FM and TV stations.
WYNN-FM is a radio station broadcasting a Mainstream Urban format. Licensed to Florence, South Carolina. The station is licensed by the Federal Communications Commission (FCC) to broadcast at 106.3 with an effective radiated power (ERP) of 6 kW.
XHEWA-FM/XEWA-AM are commercial radio stations in San Luis Potosí City, San Luis Potosí, Mexico. XEWA broadcasts on 540 AM and is a Class A station. Its transmitter is in Soledad de Graciano Sánchez. XEWA is one of the highest powered radio stations in North America, broadcasting at 150,000 watts, using a directional antenna by day and a non-directional antenna at night. 540 AM is a Mexican and Canadian clear-channel frequency.
La Radio de Sudcalifornia is the state radio network of the Mexican state of Baja California Sur. It broadcasts on seven FM and one AM transmitters in the state with most content originating from the state capital in La Paz. All of the FM transmitters are on 99.1 MHz.
Radio Universidad is the radio service of the Universidad Autónoma de Chihuahua in Chihuahua, Chihuahua. It broadcasts on XHRU-FM 105.3 FM and XHERU-FM 106.9 FM.
XEUN-FM is a radio station in Mexico City. Broadcasting on 96.1 FM, XEUN-FM is owned by the National Autonomous University of Mexico (UNAM) as a sister to XEUN-AM 860 and XHUNAM-TDT 20.
XEUN-AM is a radio station in Mexico City. Broadcasting on 860 AM, XEUN-AM is owned by the National Autonomous University of Mexico (UNAM) as a sister to XEUN-FM 96.1 and XHUNAM-TDT 20.
Opus 94 is a classical music radio station in Mexico City. It is owned by the Instituto Mexicano de la Radio (IMER) and broadcasts from a tower on Cerro del Chiquihuite.
XHCHZ-FM is a radio station in Chiapa de Corzo, Chiapas. Broadcasting on 107.9 FM, XHCHZ-FM is owned by the Instituto Mexicano de la Radio and broadcasts a music and information format under the name "Radio Lagarto".
XERED-AM is a radio station in Mexico City. Located on 1110 kHz, XERED-AM is owned by Grupo Radio Centro broadcasting a talk format based on news and sports known as Radio Red. 1110 AM is a United States clear-channel frequency.
Radio UAS is the radio service of the Universidad Autónoma de Sinaloa. The station broadcasts on AM and FM frequencies, XEUAS-AM 1150 and XHUAS-FM 96.1, in the state capital of Culiacán, and on an FM radio station, XHMSA-FM 102.9, in Los Mochis.
XHGQ-FM/XEGQ-AM is a radio station on 92.5 FM and 1000 AM in Los Reyes, Michoacán. It carries La Raza grupera format.
References
- ↑ Instituto Federal de Telecomunicaciones. Infraestructura de Estaciones de Radio FM. Last modified 2018-05-16. Retrieved 2016-04-26. Technical information from the IFT Coverage Viewer.
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