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Nackasändaren
Nackasändaren is a facility for FM and TV-transmission at Nacka in Metropolitan Stockholm. It used from 1956 to 1983 two guyed masts, which were designed as mast radiators for mediumwave transmission and therefore insulated against ground. In 1965 a further mast, a guyed steel lattice mast for FM and TV-transmissions was built. This mast is in opposite to the lower masts grounded, but carried in its upper guys insulators in order not to disturb the radiation pattern of the mediumwave transmitter. After termination of the AM transmissions, which occurred until 1978 on 773 kHz and after 1978 on 774 kHz on June 1, 1981, the old masts were demolished on November 2, 1983, and December 7, 1983. At their location a second steel framework mast for FM- and TV-transmission was built in 1984. After cancellation of the mediumwave transmission, the insulators of the guys of the older 299 metres tall mast were obsolete and removed. See also * Radio masts and towers Radio masts ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Tallest Structures In Sweden
A list of the tallest structures in Sweden. This list contains all types of structures. , , 2 masts, insulated against ground, demolished in 1996 , - , Gudinge transmitter, , 696 ft , , 212 m , , ? , , Guyed mast , , VLF-transmission , , Gudinge , , , , insulated against ground? , - , Tving transmitter, , 696 ft , , 212 m , , ? , , Guyed mast , , VLF-transmission , , Tving , , , , insulated against ground? , - , Ruda transmitter, , 696 ft , , 212 m , , ? , , Guyed mast , , VLF-transmission , , Ruda , , , , insulated against ground, used for VLF-transmissions of Swedish Navy , - , Karlsborg transmitter, , 689 ft , , 210 m , , ? , , Guyed mast , , VLF-transmission , , Karlsborg , , ; , , 2 masts, demolished in 2001 , - , Östersund mediumwave transmitter , , 686 ft , , 209 m , , , , Guyed Mast , , MF-transmission , , Östersund , , ; } , , 2 masts, insulated against ground near Brattåsmasten, dem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nacka Municipality
Nacka Municipality (''Nacka kommun'') is a municipality in Stockholm County in east-central Sweden. Its seat is located at Nacka. The municipality is situated just east of the capital Stockholm and the western parts are considered a suburban part of the city of Stockholm. The present municipality was created in 1971 when the ''City of Nacka'' (itself instituted in 1949) was amalgamated with ''Saltsjöbaden'' (itself detached from "old" Nacka in 1909) and ''Boo''. Geography The municipality is situated in two historical provinces (''landskap''), Uppland and Södermanland, but in one administrative county (''län''), Stockholm County. The western densely built-up area of Nacka Municipality is a contiguous part of the city of Stockholm. About 50,000 of the municipality's total population live there. There are also some more localities in the municipality. The larger ones are: Boo, Fisksätra, Saltsjöbaden, Skuru and Älta. History The area has been populated since the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nacka
Nacka () is the municipal seat of Nacka Municipality and part of Stockholm urban area in Sweden. The municipality's name harks back to a 16th-century industrial operation established by the Crown at Nacka farmstead where conditions for water mills are good. However, and somewhat confusingly, that spot is not densely populated today and the municipal seat is on land that once belonged to Järla farmstead on the other side of Lake Järla. Events On 9 December 2014, Stockholm police raided a data center in a former bomb shelter under a hill in Nacka municipality. Although it was rumored the raid targeted popular torrent site The Pirate Bay, officials from The Pirate Bay have revealed that this is false. See also * Sickla Köpkvarter Sickla Köpkvarter is a retail park and shopping district located on a redeveloped industrial estate in Nacka, Sweden. It's wholly owned by Atrium Ljungberg — a real estate company headquartered in the area — and consists of several shoppi ... ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metropolitan Stockholm
Sweden has three metropolitan areas consisting of the areas surrounding the three largest cities, Stockholm, Gothenburg and Malmö. The statistics have been retrieved from Statistics Sweden and the statistics released on 10 November 2014. The official land areas for each municipality have also been retrieved from Statistics Sweden, the agency that defines these areas. Population centers , Sweden had 2 metropolitan areas with a population of over 1,000,000 people each. The following table shows the populations of the top ten metropolitan areas. Metropolitan Stockholm Metropolitan Stockholm (also known as Greater Stockholm or, in Swedish, ''Storstockholm''), is a metropolitan area surrounding the Swedish capital of Stockholm. Since 2005, Metropolitan Stockholm is defined by official Swedish Statistics as all of Stockholm County. It is the largest of the three metropolitan areas in Sweden. Metropolitan Stockholm is divided into 5 areas: Stockholm City Centre, Söderort ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guyed Mast
A guyed mast or guyed tower is a tall thin vertical structure that depends on guy lines (diagonal tensioned cables attached to the ground) for stability. The mast itself has the compressive strength to support its own weight, but does not have the shear strength to stand unsupported. It requires guy lines to stay upright and to resist lateral forces such as wind loads. Guy lines are usually spaced at equal angles about the structure's base. Guyed masts are used for telecommunications, sailing, and meteorology. The tallest guyed mast in the world is currently the KVLY-TV mast near Blanchard, North Dakota, USA. Two subtypes exist. A ''partially guyed tower'' is a structure consisting of a guyed mast on top of a freestanding tower. The guys may be anchored to the top of the freestanding structure, or to the ground. A famous tower of this type is the Gerbrandy Tower. An ''additionally guyed tower'' is a freestanding tower which either has guys attached temporarily to add stab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mast Radiator
Mast, MAST or MASt may refer to: Engineering * Mast (sailing), a vertical spar on a sailing ship * Flagmast, a pole for flying a flag * Guyed mast, a structure supported by guy-wires * Mooring mast, a structure for docking an airship * Radio masts and towers , towers that carry antennas * The primary support for a helicopter rotor * The main vertical structure of a forklift truck * Multi-axis shaker table, an automotive test system * Model for assessment of telemedicine, used to assess long-distance medical treatment Biology * Mast (botany), the edible parts of woody plants * Mast Arboretum, at Stephen F. Austin State University in Nacogdoches, Texas * Mast cell, involved in the allergy response * Mast., in botanical naming, the standard author abbreviation for Maxwell T. Masters * Two microtubule-associated serine/threonine-protein kinase enzymes: ** MAST1, an enzyme that in humans is encoded by the ''MAST1'' gene ** MAST2, an enzyme that in humans is encoded by the ''MAST ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radio Masts And Towers
Radio masts and towers are typically tall structures designed to support antennas for telecommunications and broadcasting, including television. There are two main types: guyed and self-supporting structures. They are among the tallest human-made structures. Masts are often named after the broadcasting organizations that originally built them or currently use them. In the case of a mast radiator or radiating tower, the whole mast or tower is itself the transmitting antenna. Terminology The terms "mast" and "tower" are often used interchangeably. However, in structural engineering terms, a tower is a self-supporting or cantilevered structure, while a mast is held up by stays or guys. Broadcast engineers in the UK use the same terminology. A mast is a ground-based or rooftop structure that supports antennas at a height where they can satisfactorily send or receive radio waves. Typical masts are of steel lattice or tubular steel construction. Masts themselves play no part in t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Masts
The tallest structure in the world is the Burj Khalifa skyscraper at . Listed are guyed masts (such as telecommunication masts), self-supporting towers (such as the CN Tower), skyscrapers (such as the Willis Tower), oil platforms, electricity transmission towers, and bridge support towers. This list is organized by absolute height. See List of tallest buildings and structures, List of tallest freestanding structures and List of tallest buildings and List of tallest towers for additional information about these types of structures. Terminology Terminological and listing criteria follow Council on Tall Buildings and Urban Habitat definitions. Guyed masts are differentiated from towers – the latter not featuring any guy wires or other support structures; and buildings are differentiated from towers – the former having at least 50% of occupiable floor space although both are self-supporting structures. List by height This list includes structures with a minimum height of to k ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Towers In Sweden
A tower is a tall Nonbuilding structure, structure, taller than it is wide, often by a significant factor. Towers are distinguished from guyed mast, masts by their lack of guy-wires and are therefore, along with tall buildings, self-supporting structures. Towers are specifically distinguished from buildings in that they are built not to be habitable but to serve other functions using the height of the tower. For example, the height of a clock tower improves the visibility of the clock, and the height of a tower in a fortified building such as a castle increases the visibility of the surroundings for defensive purposes. Towers may also be built for observation tower, observation, leisure, or telecommunication purposes. A tower can stand alone or be supported by adjacent buildings, or it may be a feature on top of a larger structure or building. Etymology Old English ''torr'' is from Latin ''turris'' via Old French ''tor''. The Latin term together with Greek language, Greek τύ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
