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Telesecundaria
''Telesecundaria'' is a system of distance education programs for secondary and high school students created by the government of Mexico and available in rural areas of the country as well as Central America, South America, Canada and the United States via satellite ( Solidaridad 1 and Satmex 5). Background ''Telesecundaria'' was born on the need to service graduates of elementary education in rural areas that were unable to continue their studies for lack of secondary schools in their areas. In 1968 ''Telesecundaria'' started at 304 classrooms and a teacher for each one of these in the states of Veracruz, Morelos, Estado de México, Puebla, Tlaxcala, Hidalgo, Oaxaca and the Federal District. The initial number of students was 6 549. * ''Secundaria general'' – General studies * ''Secundaria para trabajadores'' – for working students * ''Secundaria tecnológica industrial'' – industrial technology * ''Secundaria tecnológica agropecuaria'' – agricultural technology * '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tlaxcala
Tlaxcala (; , ; from nah, Tlaxcallān ), officially the Free and Sovereign State of Tlaxcala ( es, Estado Libre y Soberano de Tlaxcala), is one of the 32 states which comprise the Federal Entities of Mexico. It is divided into 60 municipalities and the capital city is Tlaxcala City. It is located in East-Central Mexico, in the altiplano region, with the eastern portion dominated by the Sierra Madre Oriental. It is bordered by the states of Puebla to the north, east and south, México to the west and Hidalgo to the northwest. It is the smallest state of the republic, accounting for only 0.2% of the country's territory. The state is named after its capital, Tlaxcala, which was also the name of the Pre-Columbian city and culture. The Tlaxcalans allied themselves with the Spanish to defeat the Aztecs, with concessions from the Spanish that allowed the territory to remain mostly intact throughout 300 years of colonial period. After Mexican Independence, Tlaxcala was declare ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
States Of Mexico
The states of Mexico are first-level administrative territorial entities of the country of Mexico, which is officially named United Mexican States. There are 32 federal entities in Mexico (31 states and the capital, Mexico City, as a separate entity that is not formally a state). States are further divided into municipalities. Mexico City is divided in boroughs, officially designated as or , similar to other state's municipalities but with different administrative powers. List ''Mexico's post agency, Correos de México, does not offer an official list of state name abbreviations, and as such, they are not included below. A list of Mexican states and several versions of their abbreviations can be found here.'' } , style="text-align: center;" , ''Coahuila de Zaragoza'' , , style="text-align: center;" colspan=2 , Saltillo , style="text-align: right;" , , style="text-align: right;" , , style="text-align: center;" , 38 , style="text-align: center;" , , , - , C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mexico City
Mexico City ( es, link=no, Ciudad de México, ; abbr.: CDMX; Nahuatl: ''Altepetl Mexico'') is the capital city, capital and primate city, largest city of Mexico, and the List of North American cities by population, most populous city in North America. One of the world's Globalization and World Cities Research Network, alpha cities, it 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 ''demarcaciones territoriales'', which are in turn divided into List of neighborhoods in Mexico City, neighborhoods or ''colonias''. 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 area in the world, the second-largest urban area, urban agglomeration in the Weste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Secretaría De Educación Pública
The Mexican Secretariat of Public Education ( in Spanish ''Secretaría de Educación Pública'', ''SEP'') is a federal government authority with cabinet representation and the responsibility for overseeing the development and implementation of national educational policy and school standards in Mexico. Its headquarters has several buildings distributed throughout the country, but its main offices, initially confined to the Old Dominican Convent of the Holy Incarnation in the oldest borough of Mexico City, have extended to the House of the Marqués de Villamayor, (also known as the ''Casa de los adelantados de Nueva Galicia'', built in 1530), the Old House of don Cristóbal de Oñate, a three-time governor and general captain of New Galicia (also built in 1530), and the Old Royal Customs House (built in 1730–1731). Some of the buildings were decorated with mural paintings by Diego Rivera and other notable exponents of the Mexican muralist movement of the twentieth century, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Low Noise Amplifier
A low-noise amplifier (LNA) is an electronic amplifier that amplifies a very low-power signal without significantly degrading its signal-to-noise ratio. An amplifier will increase the power of both the signal and the noise present at its input, but the amplifier will also introduce some additional noise. LNAs are designed to minimize that additional noise. Designers can minimize additional noise by choosing low-noise components, operating points, and circuit topologies. Minimizing additional noise must balance with other design goals such as power gain and impedance matching. LNAs are found in radio communications systems, medical instruments and electronic test equipment. A typical LNA may supply a power gain of 100 (20 decibels (dB)) while decreasing the signal-to-noise ratio by less than a factor of two (a 3 dB noise figure (NF)). Although LNAs are primarily concerned with weak signals that are just above the noise floor, they must also consider the presence of la ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Set-top Box
A set-top box (STB), also colloquially known as a cable box and historically television decoder, is an information appliance device that generally contains a TV-tuner input and displays output to a television set and an external source of signal, turning the source signal into content in a form that can then be displayed on the television screen or other display device. They are used in cable television, satellite television, and over-the-air television systems as well as other uses. According to the ''Los Angeles Times'', the cost to a cable provider in the United States for a set-top box is between $150 for a basic box to $250 for a more sophisticated box. In 2016, the average pay-TV subscriber paid $231 per year to lease their set-top box from a cable service provider. TV signal sources The signal source might be an Ethernet cable, a satellite dish, a coaxial cable (see cable television), a telephone line (including DSL connections), broadband over power lines (BPL) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Satellite Dish
A satellite dish is a dish-shaped type of parabolic antenna designed to receive or transmit information by radio waves to or from a communication satellite. The term most commonly means a dish which receives direct-broadcast satellite television from a direct broadcast satellite in geostationary orbit. History Parabolic antennas referred to as "dish" antennas had been in use long before satellite television. The term ''satellite dish'' was coined in 1978 during the beginning of the satellite television industry, and came to refer to dish antennas that send and/or receive signals from communications satellites. Taylor Howard of San Andreas, California, adapted an ex-military dish in 1976 and became the first person to receive satellite television signals using it. The first satellite television dishes were built to receive signals on the C-band analog, and were very large. The front cover of the 1979 Neiman-Marcus Christmas catalog featured the first home satellite TV statio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Television
Television, sometimes shortened to TV, is a telecommunication medium for transmitting moving images and sound. The term can refer to a television set, or the medium of television transmission. Television is a mass medium for advertising, entertainment, news, and sports. Television became available in crude experimental forms in the late 1920s, but only after several years of further development was the new technology marketed to consumers. After World War II, an improved form of black-and-white television broadcasting became popular in the United Kingdom and the United States, and television sets became commonplace in homes, businesses, and institutions. During the 1950s, television was the primary medium for influencing public opinion.Diggs-Brown, Barbara (2011''Strategic Public Relations: Audience Focused Practice''p. 48 In the mid-1960s, color broadcasting was introduced in the U.S. and most other developed countries. The availability of various types of archival st ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edusat (TV Network)
Edusat or EDUSAT may refer to: * GSAT-3 GSAT-3, also known as EDUSAT, was a communications satellite which was launched on 20 September 2004 by the Indian Space Research Organisation. EDUSAT is the first Indian satellite built exclusively to serve the educational sector. It is mainly ..., an Indian communications satellite which is also known as EDUSAT * EduSAT, an Italian microsatellite * Edusat, an educational television network in Mexico * EduSat, an educational television channel in Poland {{disambig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Morelos II
Morelos (), officially the Free and Sovereign State of Morelos ( es, Estado Libre y Soberano de Morelos), is one of the 32 states which comprise the Political divisions of Mexico, Federal Entities of Mexico. It is divided into Municipalities of Morelos, 36 municipalities and its capital city is Cuernavaca. Morelos is a landlocked state located in South Central Mexico. It is bordered by Mexico City to the north, and by the states of State of Mexico, México to the northeast and northwest, Puebla to the east and Guerrero to the southwest. Morelos is the second-smallest state in the nation, just after Tlaxcala. It was part of a very large province, the State of Mexico, until 1869 when Benito Juárez decreed that its territory would be separated and named in honor of José María Morelos y Pavón, who Siege of Cuautla, defended the city of Cuautla, Morelos, Cuautla from royalist forces during the Mexican War of Independence. Most of the state enjoys a warm climate year-round, which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fishing
Fishing is the activity of trying to catch fish. Fish are often caught as wildlife from the natural environment, but may also be caught from stocked bodies of water such as ponds, canals, park wetlands and reservoirs. Fishing techniques include hand-gathering, spearing, netting, angling, shooting and trapping, as well as more destructive and often illegal techniques such as electrocution, blasting and poisoning. The term fishing broadly includes catching aquatic animals other than fish, such as crustaceans (shrimp/lobsters/crabs), shellfish, cephalopods (octopus/squid) and echinoderms (starfish/sea urchins). The term is not normally applied to harvesting fish raised in controlled cultivations (fish farming). Nor is it normally applied to hunting aquatic mammals, where terms like whaling and sealing are used instead. Fishing has been an important part of human culture since hunter-gatherer times, and is one of the few food production activities that have persisted from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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