A geodetic datum or geodetic system (also: geodetic reference datum, geodetic reference system, or geodetic reference frame, or terrestrial reference...
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WGS 84, defines an Earth-centered, Earth-fixed coordinate system and a geodetic datum, and also describes the associated Earth Gravitational Model (EGM) and...
24 KB (2,842 words) - 20:50, 20 November 2024
The North American Datum (NAD) is the horizontal datum now used to define the geodetic network in North America. A datum is a formal description of the...
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The National Geodetic Vertical Datum of 1929 is the official name since 1973 of the vertical datum established for vertical control surveying in the United...
4 KB (397 words) - 01:26, 19 November 2023
Geographic coordinate conversion (redirect from Datum transformation)
referenced to the same geodetic datum. A geographic coordinate transformation is a translation among different geodetic datums. Both geographic coordinate...
34 KB (5,200 words) - 08:18, 10 August 2024
North American Datum of 1988. It superseded the National Geodetic Vertical Datum of 1929 (NGVD 29), previously known as the Sea Level Datum of 1929. NAVD...
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Geographic coordinate system (section Geodetic datum)
19111 standards, also includes a choice of geodetic datum (including an Earth ellipsoid), as different datums will yield different latitude and longitude...
22 KB (2,491 words) - 02:51, 17 November 2024
National Geodetic Survey. In the United States, prominent vertical datums in use by professionals include the National Geodetic Vertical Datum of 1929...
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established with triangulation station Balanacan as its datum origin. The Luzon Datum became the primary geodetic reference of all surveys in the Philippines. Rappelye...
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Mariana plates will have their own respective geodetic datums. The North American-Pacific Geopotential Datum of 2022 (NAPGD2022) will separately define the...
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ED50 (redirect from European Datum 1950)
("European Datum 1950", EPSG:4230) is a geodetic datum which was defined after World War II for the international connection of geodetic networks. Some...
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as geodetic datum. In 1913, the datum was adopted across all of North America, and the system revised and formalized as the North American Datum of 1927...
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European Terrestrial Reference System 1989 (redirect from ETRS89 datum)
continental drift. The development of ETRS89 is related to the global ITRS geodetic datum, in which the representation of the continental drift is balanced in...
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(SRID=2100). The system specifies a local geodetic datum and a projection system. In some documents it is called Greek Geodetic Reference System 1987 or GGRS87...
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a choice of map projection (with specific parameters), a choice of geodetic datum to bind the coordinate system to real locations on the earth, an origin...
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The Geocentric Datum of Australia 1994 (GDA94) is a geodetic datum covering the Australian continent. Details of this datum are provided by the GDA94 Technical...
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EPSG Geodetic Parameter Dataset (also EPSG registry) is a public registry of geodetic datums, spatial reference systems, Earth ellipsoids, coordinate...
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dimensioning and tolerancing (GD&T), aviation, surveying, geodesy (geodetic datums), and others. In carpentry, an alternative, more common name is "face...
6 KB (900 words) - 02:47, 7 September 2023
Wayback Machine Clearer notes on converting ECEF coordinates to WGS-84 datum geodetic datum overview orientation of the coordinate system and additional information...
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Sea level (category Vertical datums)
global MSL is a type of vertical datum – a standardised geodetic datum – that is used, for example, as a chart datum in cartography and marine navigation...
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from the tide table. Using charts and tables not based on the same geodetic datum can result in incorrect calculation of water depths. In recent years...
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Local geodetic coordinates Geodetic datum Geodesics on an ellipsoid Planetary coordinate system National Geodetic Survey (U.S.).; National Geodetic Survey...
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Liverpool datum. But following the Third Geodetic Levelling, Ordnance Survey maps published since March 1956 give spot heights above the Newlyn datum. Newlyn...
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The South American Datum (SAD) is a regional historical geodetic datum for South America. The most common version was established in 1969 (SAD69), as...
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Earth's sea level as an equipotential gravitational surface (see Geodetic datum § Vertical datum). The term elevation is mainly used when referring to points...
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and longitude). Examples include the World Geodetic System and the 1927 and 1983 North American Datum. A datum generally consists of an estimate of the...
15 KB (1,570 words) - 00:35, 6 September 2024
The Geodetic Reference System 1980 (GRS80) consists of a global reference ellipsoid and a normal gravity model. The GRS80 gravity model has been followed...
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National Spatial Reference System (redirect from Datum of 2022)
American-Pacific Geopotential Datum of 2022 (NAPGD2022) is a new geodetic datum set to be produced by the U.S. National Geodetic Survey in 2025 or 2026 to...
6 KB (576 words) - 03:56, 20 November 2024
also known as MGRS-New, which is used for WGS84 and some other modern geodetic datums, the letter for the first row – just north of the equator – is A in...
15 KB (2,140 words) - 08:57, 12 November 2024