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Xeun-am
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. History On June 14, 1937, the Cultural Broadcasting Administration of UNAM was formed, and rector Luis Chico Goerne officially dedicated the facilities of the university's new radio station on Justo Sierra 16 in Mexico City. From 1937 to 1939, the station bore the calls XEXX and was located at 1170 kHz, broadcasting at 5 kW four hours a day; in 1939, the station moved to 860 kHz and took the XEUN calls. At the same time, UNAM shortwave radio signed on, as XEYU 9.6 MHz with 1,000 watts of power. With the new frequency came an expansion to seven hours a day, six days a week, with the station off the air for university holidays and on Sundays. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mexico City
Mexico City is the capital city, capital and List of cities in Mexico, largest city of Mexico, as well as the List of North American cities by population, most populous city in North America. It is one of the most important cultural and financial centers in the world, and is classified as an Globalization and World Cities Research Network, Alpha world city according to the Globalization and World Cities Research Network (GaWC) 2024 ranking. Mexico City is located in the Valley of Mexico within the high Mexican central plateau, at an altitude of . The city has 16 Boroughs of Mexico City, boroughs or , which are in turn divided into List of neighborhoods in Mexico City, neighborhoods or . The 2020 population for the city proper was 9,209,944, with a land area of . According to the most recent definition agreed upon by the federal and state governments, the population of Greater Mexico City is 21,804,515, which makes it the list of largest cities#List, sixth-largest metropolitan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Greater Mexico City
Greater Mexico City is the conurbation around Mexico City, officially called the Metropolitan Area of the Valley of Mexico (). It encompasses Mexico City itself and 60 adjacent municipalities of Mexico, municipalities of the State of Mexico and Hidalgo (state), Hidalgo. Mexico City's metropolitan area is the economic, political, and cultural hub of Mexico. In recent years it has reduced its relative importance in domestic manufacturing, but has kept its dominant role in the country's economy thanks to an expansion of its tertiary activities. The area is also one of the powerhouse regions of Latin America, generating approximately $200 billion in GDP growth or 10 percent of the regional total. , 21,804,515 people lived in Greater Mexico City, making it the List of North American metropolitan areas by population, largest metropolitan area in North America. Covering an area of , it is surrounded by thin strips of highlands separating it from other adjacent metropolitan areas, togethe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kilohertz
The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), often described as being equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose formal expression in terms of SI base units is 1/s or s−1, meaning that one hertz is one per second or the reciprocal of one second. It is used only in the case of periodic events. It is named after Heinrich Rudolf Hertz (1857–1894), the first person to provide conclusive proof of the existence of electromagnetic waves. For high frequencies, the unit is commonly expressed in multiples: kilohertz (kHz), megahertz (MHz), gigahertz (GHz), terahertz (THz). Some of the unit's most common uses are in the description of periodic waveforms and musical tones, particularly those used in radio- and audio-related applications. It is also used to describe the clock speeds at which computers and other electronics are driven. The units are sometimes also used as a representation o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1959 In Radio
The year 1959 saw a number of significant happenings in radio broadcasting history. Events *3 February – A light-aircraft crash near Clear Lake, Iowa, kills three musicians: Buddy Holly, Ritchie Valens and KTRM- Beaumont deejay JP "The Big Bopper" Richardson, Jr., as well as the plane's pilot. The tragedy will go on to become known as "The Day The Music Died". *11 May – At 10 am, KROW 960 AM in San Francisco switches its call letters to KABL. The KABL name will stay with the station until September 2004. Debuts *German-American musicologist Karl Haas starts '' Adventures in Good Music'' at WJR in Detroit, Michigan. *14 March – Tulane University's WTUL signs on for the first time. Owned and operated by Tulane University, this progressive-music station. will give Jerry Springer his start in broadcasting. *3 April – '' Pick of the Week'' is first broadcast on the BBC Home Service. * 7 June KKLS signs on in Rapid City Closings *2 January – CBS ends ''Our Gal Sunda ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kilowatt
The watt (symbol: W) is the unit of Power (physics), power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantification (science), quantify the rate of Work (physics), energy transfer. The watt is named in honor of James Watt (1736–1819), an 18th-century Scottish people, Scottish inventor, mechanical engineer, and chemist who improved the Newcomen engine with his own Watt steam engine, steam engine in 1776, which became fundamental for the Industrial Revolution. Overview When an object's velocity is held constant at one meter per second against a constant opposing force of one Newton (unit), newton, the rate at which Work (physics), work is done is one watt. \mathrm. In terms of electromagnetism, one watt is the rate at which electrical work is performed when a current of one ampere (A) flows across an electrical potential difference of one volt (V), meaning the watt is equivalent to the vo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Autonomous University Of Mexico
The National Autonomous University of Mexico (, UNAM) is a public university, public research university in Mexico. It has several campuses in Mexico City, and many others in various locations across Mexico, as well as a presence in nine countries. It also has 34 research institutes, 26 museums, and 18 historic sites. A portion of (University City), UNAM's main campus in Mexico City, is a UNESCO World Heritage site that was designed and decorated by some of Mexico's best-known architects and painters. The campus hosted the main events of the 1968 Summer Olympics, and was the birthplace of the Mexican Movement of 1968, student movement of 1968. All Mexican Nobel laureates have been alumni of UNAM. In 2009, the university was awarded the Princess of Asturias Awards, Prince of Asturias Award for Communication and Humanities. More than 25% of the total scientific papers published by Mexican academics come from researchers at UNAM. UNAM was founded in its modern form, on 22 Septemb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
XEUN-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. History XEUN-FM signed on July 16, 1959, from a transmitter located on the Torre Rectoría (Rectory Tower), broadcasting with 1 kW of power. XEUN-FM's power was increased to 50 kW when the station moved to new facilities in 1976. In 1992, the FM station moved to a new tower in Ajusco, on land that had been donated to UNAM in 1986 by the government of the Federal District; the move decreased the station's power to 35 kW, which then increased to its current 100 kW with another new transmitter in 1995. Programming XEUN-FM split from its AM simulcast upon the move to Ajusco in 1992. The division of programming across the two stations is specialized: 96.1 FM's broadcast day is composed of largely music programs, while 860 AM features predominantly speech programs. On March 25, 20 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
860 AM
The following radio stations broadcast on AM frequency 860 kHz: CJBC Toronto is the Class A station on 860 AM, a Canadian clear channel frequency. In Argentina * Digital in Lanus, Buenos Aires * LRA56 in Perito Moreno In Canada Stations in bold are clear-channel stations. In Mexico * XECTL-AM in Chetumal, Quintana Roo * XEMO-AM in Tijuana, Baja California * XENL-AM in Monterrey, Nuevo Léon * XEUN-AM 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. History On June 14, 1937, the Cultural Broadcasting Adm ... in Tlalpan, Mexico City * XEZOL-AM in Ciudad Juárez, Chihuahua In the United States References {{DEFAULTSORT:860 Am Lists of radio stations by frequency ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
XHUNAM-TDT
XHUNAM-TDT is a television station operating on channel 11 in Mexico City, owned by and broadcasting from the campus of the National Autonomous University of Mexico (UNAM). History XHUNAM began broadcasts on analog channel 60 on December 5, 2000, where it broadcast for five years. On November 30, 2005, however, XHUNAM launched its digital signal, one of the first in the country and also one of the first digital-only stations in Mexico. Although the National Autonomous University of Mexico The National Autonomous University of Mexico (, UNAM) is a public university, public research university in Mexico. It has several campuses in Mexico City, and many others in various locations across Mexico, as well as a presence in nine countri ... (UNAM) operates the TV•unam network since 2005, the programming on XHUNAM was until 2024 completely different from said network; it consisted merely of old concerts conducted by Herbert von Karajan, looping all-day long, weekdays only, genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ajusco
Ajusco is a lava dome volcano located just south of Mexico City, Mexico, in the Tlalpan borough of the city. It is the highest point in the city. Etymology Ajusco is a Náhuatl word variously translated as "source of waters" or "watered grove", and the Lerma River and Balsas River draw some of their source waters from this area. Also, the flow from all of the remaining strong springs in the area adjacent to the peak are captured to augment Mexico City's water supply. Geology Ajusco is a lava dome complex of Pliocene-Pleistocene age, surrounded by block and ash flow deposits. Ajusco is part of the mountain chain of volcanic origin known as Sierra de Ajusco-Chichinauhtzin, among which Xitle (), Tláloc (), Pelado (), Cuautzin () and Chichinautzin () stand out. This range is part of the Trans-Mexican Volcanic Belt which crosses central Mexico and contains the country's highest peaks. Ecology Parts of this range account for about half of the area of the Mexican Federal Dist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radio Stations In Mexico City
Radio is the technology of communicating using radio waves. Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates the waves. They can be received by other antennas connected to a radio receiver; this is the fundamental principle of radio communication. In addition to communication, radio is used for radar, radio navigation, remote control, remote sensing, and other applications. In radio communication, used in radio and television broadcasting, cell phones, two-way radios, wireless networking, and satellite communication, among numerous other uses, radio waves are used to carry information across space from a transmitter to a receiver, by modulating the radio signal (impressing an information signal on the radio wave by varying some aspect of the wave) in the transmitter. In radar, used to locate and track objects like air ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
