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CBIB-FM
CBI is a Canadian radio station. It is the CBC Radio One affiliate in Sydney, Nova Scotia broadcasting at 1140 kHz on the AM dial. The station serves all of Cape Breton Island by operating a network of FM rebroadcasters. It is also simulcast on its sister station, CBIS-FM at 92.1 MHz in Sydney. History CBI was launched on November 1, 1948, at AM 1570, with a power of 1,000 watts. Prior to its launch, CBC Radio programming was aired by private affiliate CJCB 1270 and its shortwave relay CJCX 6.01 MHz (in the 49 m band). In 1955, CBI increased power from 1,000 to 5,000 watts and changed frequency from 1570 to 1140 kHz. By 1964, CBI was operating with a full-time power of 10,000 watts, though using a directional antenna at night to protect clear-channel Class A stations WRVA in Richmond, Virginia; and XEMR-AM in Apodaca, Nuevo León, Mexico. On July 9, 2007, CBI was given approval by the CRTC to convert the station to the FM band at 97.1 MHz under the ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
All-news Radio
All-news radio is a radio format devoted entirely to the discussion and broadcast of news. All-news radio is available in both local and syndicated forms, and is carried on both major US satellite radio networks. All-news stations can run the gamut from simulcasting an all-news television station like CNN, to a "rip and read" headline service, to stations that include live coverage of news events and long-form public affairs programming. Many stations brand themselves ''Newsradio'' but only run news during the morning and afternoon drive times, or in some cases, broadcast talk radio shows with frequent news updates. These stations are properly labeled as "news/talk" stations. Also, some National Public Radio stations identify themselves as ''News and Information'' stations, which means that in addition to running the NPR news magazines such as ''Morning Edition'' and ''All Things Considered'', they run other information and public affairs programs. History In 1960 KJBS rad ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Simulcast
Simulcast (a portmanteau of simultaneous broadcast) is the broadcasting of programmes/programs or events across more than one resolution, bitrate or medium, or more than one service on the same medium, at exactly the same time (that is, simultaneously). For example, Absolute Radio is simulcast on both AM and on satellite radio. Likewise, the BBC's Prom concerts were formerly simulcast on both BBC Radio 3 and BBC Television. Another application is the transmission of the original-language soundtrack of movies or TV series over local or Internet radio, with the television broadcast having been dubbed into a local language. Early radio simulcasts Before launching stereo radio, experiments were conducted by transmitting left and right channels on different radio channels. The earliest record found was a broadcast by the BBC in 1926 of a Halle Orchestra concert from Manchester, using the wavelengths of the regional stations and Daventry. In its earliest days the BBC often transmit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canadian Radio-television And Telecommunications Commission
The Canadian Radio-television and Telecommunications Commission (CRTC; french: Conseil de la radiodiffusion et des télécommunications canadiennes, links=) is a public organization in Canada with mandate as a regulatory agency for broadcasting and telecommunications. It was created in 1976 when it took over responsibility for regulating telecommunication carriers. Prior to 1976, it was known as the Canadian Radio and Television Commission, which was established in 1968 by the Parliament of Canada to replace the Board of Broadcast Governors. Its headquarters is located in the Central Building (Édifice central) of Les Terrasses de la Chaudière in Gatineau, Quebec. History The CRTC was originally known as the Canadian Radio-Television Commission. In 1976, jurisdiction over telecommunications services, most of which were then delivered by monopoly common carriers (for example, telephone companies), was transferred to it from the Canadian Transport Commission although the abbrev ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mexico
Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatemala, Belize, and the Caribbean Sea; and to the east by the Gulf of Mexico. Mexico covers ,Mexico ''''. . making it the world's 13th-largest country by are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuevo León
Nuevo León () is a state in the northeast region of Mexico. The state was named after the New Kingdom of León, an administrative territory from the Viceroyalty of New Spain, itself was named after the historic Spanish Kingdom of León. With a total land area of 64,555 square kilometers (40,112 square miles), Nuevo León is the 13th largest federal entity in Mexico. The state is bordered by Tamaulipas to the east, Coahuila to the west, and both Zacatecas and San Luis Potosi to the south. To the north, it shares an international border with the U.S. state of Texas. The Laredo-Colombia Solidarity International Bridge is the only vehicular bridge that connects the United States with the state of Nuevo León. It crosses over the Rio Grande (Rio Bravo) between the city of Colombia, Nuevo León, and Laredo, Texas. Nuevo Léon is the seventh largest state in terms of population with an estimated population of 5.78 million people in 2020. The state's most populous city is Monterrey ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apodaca
Apodaca () is a city and its surrounding municipality that is part of Monterrey Metropolitan area. It lies in the northeastern part of the Monterrey Metropolitan Area. It is known for becoming recently a heavy industrialized city. As of 2019, the city houses 70% of the industrial plants of the state of Nuevo León. Apodaca is as well the fourth most exporting city in México. The municipality has an area of 183.5 km2. The population has recently increased from around 115,000 people in 1990 to almost 600,000 in 2015. Being one of the fastest-growing territories in terms of population in the Metropolitan Area, becoming the third most populous municipality as of 2015. The municipality is home to Monterrey International Airport which is considered to be the fourth most important in the country and is also one of the municipalities main employers. Climate Transportation Two airports, General Mariano Escobedo International Airport ( IATA: MTY) and Del Norte International Airport (I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
XEMR-AM
XEMR-AM (1140 kHz) is a Mexican clear-channel station. It is licensed to Apodaca, Nuevo León, part of the Monterrey Metropolitan area. Organizacion Mexicana de Radio, S.A. de C.V., holds the concession. XEMR is operated by Grupo Radio Alegría. XEMR radiates 50,000 watts, sharing Class A status with WRVA Richmond, Virginia, on 1140 AM. It uses a directional antenna at all times. The transmitter In electronics and telecommunications, a radio transmitter or just transmitter is an electronic device which produces radio waves with an antenna. The transmitter itself generates a radio frequency alternating current, which is applied to the ... is east of Monterrey, near the town of Cadereyta, Nuevo León. History XEMR received its first concession on December 31, 1940. It was owned by Enrique Serna Martínez and broadcast on 1400 kHz. It was sold to Propulsora del Radio in 1962, and to its current concessionaire in 1967. External links FCC information on XEMR ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Richmond, Virginia
(Thus do we reach the stars) , image_map = , mapsize = 250 px , map_caption = Location within Virginia , pushpin_map = Virginia#USA , pushpin_label = Richmond , pushpin_map_caption = Location within Virginia##Location within the contiguous United States , pushpin_relief = yes , coordinates = , subdivision_type = Country , subdivision_name = , subdivision_type1 = U.S. state, State , subdivision_name1 = , established_date = 1742 , , named_for = Richmond, London, Richmond, United Kingdom , government_type = , leader_title = List of mayors of Richmond, Virginia, Mayor , leader_name = Levar Stoney (Democratic Party (United States), D) , total_type = City , area_magnitude = 1 E8 , area_total_sq_mi = 62.57 , area_land_sq_mi = 59.92 , area_ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WRVA (AM)
WRVA (1140 kHz) is a commercial AM radio station licensed to Richmond and serving Central Virginia. WRVA airs a talk radio format and is owned by Audacy, Inc. Established in 1925, WRVA is one of Virginia's oldest radio stations, and the most powerful AM station in the Commonwealth. For much of its history, WRVA billed itself as the "Voice of Virginia." WRVA is a Class A, clear channel station, transmitting with 50,000 watts, the maximum for commercial AM stations in the U.S. It uses a directional antenna with a two-tower array to protect the other Class A station on 1140 AM, XEMR in Monterrey, Mexico. The transmitter is on WRVA Road near the James River in Henrico, Virginia. WRVA is also heard on 125 watt FM translator W241AP at 96.1 MHz in Midlothian, Virginia. Weekdays begin with "Richmond's Morning News with John Reid." Afternoon drive time is hosted by Jeff Katz. The rest of the weekday schedule comes from nationally syndicated shows including Glenn Beck, Dana Loes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of North American Broadcast Station Classes
This is a list of broadcast station classes applicable in much of North America under international agreements between the United States, Canada and Mexico. Effective radiated power (ERP) and height above average terrain (HAAT) are listed unless otherwise noted. All radio and television stations within of the US-Canada or US-Mexico border must get approval by both the domestic and foreign agency. These agencies are Industry Canada/Canadian Radio-television and Telecommunications Commission (CRTC) in Canada, the Federal Communications Commission (FCC) in the US, and the Federal Telecommunications Institute (IFT) in Mexico. AM Station class descriptions All domestic (United States) AM stations are classified as A, B, C, or D. * A (formerly I) — clear-channel stations — 10 kW to 50 kW, 24 hours. **Class A stations are only protected within a radius of the transmitter site. **The old Class I was divided into three: Class I-A, I-B and I-N. NARBA distinguishe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clear-channel
A clear-channel station is an AM broadcasting, AM radio station in North America that has the highest protection from Interference (communication), interference from other stations, particularly concerning night-time skywave propagation. The system 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 1982, they are occasionally still referred to by their former classifications of Class I-A (the highest classification), Class I-B (the next highest class), or Class I-N (for stations in Alaska too far away to cause interference to the primary clear-channel stations in the lower 48 states). The term "clear-channel" is used most often in the context of North America and the Caribbean, where the concept originated. Since 1941, these stations have been required to maintain an effective radiated power of at least 10,000 watts to retain their status. Nearly all such station ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Directional Antenna
A directional antenna or beam antenna is an antenna which radiates or receives greater power in specific directions allowing increased performance and reduced interference from unwanted sources. Directional antennas provide increased performance over dipole antennas—or omnidirectional antennas in general—when greater concentration of radiation in a certain direction is desired. A high-gain antenna (HGA) is a directional antenna with a focused, narrow radiowave beam width, permitting more precise targeting of the radio signals. Most commonly referred to during space missions, these antennas are also in use all over Earth, most successfully in flat, open areas where there are no mountains to disrupt radiowaves. By contrast, a low-gain antenna (LGA) is an omnidirectional antenna with a broad radiowave beam width, that allows the signal to propagate reasonably well even in mountainous regions and is thus more reliable regardless of terrain. Low-gain antennas are often used in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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