• Thumbnail for World Geodetic System
    The World Geodetic System (WGS) is a standard used in cartography, geodesy, and satellite navigation including GPS. The current version, WGS 84, defines...
    24 KB (2,843 words) - 13:42, 3 August 2024
  • Thumbnail for Geodetic datum
    A geodetic datum or geodetic system (also: geodetic reference datum, geodetic reference system, or geodetic reference frame, or terrestrial reference...
    31 KB (3,346 words) - 06:28, 11 August 2024
  • Thumbnail for Geodetic Reference System 1980
    The Geodetic Reference System 1980 (GRS80) consists of a global reference ellipsoid and a normal gravity model. The GRS80 gravity model has been followed...
    7 KB (1,078 words) - 12:07, 24 August 2024
  • Thumbnail for Earth-centered, Earth-fixed coordinate system
    December 25, 2018. National Geospatial Intelligence Agency. "World Geodetic System 1984 datasheet" (PDF). United Nations Office for Outer Space Affairs...
    9 KB (904 words) - 13:39, 7 January 2024
  • Thumbnail for EPSG Geodetic Parameter Dataset
    EPSG Geodetic Parameter Dataset (also EPSG registry) is a public registry of geodetic datums, spatial reference systems, Earth ellipsoids, coordinate transformations...
    5 KB (450 words) - 10:37, 21 July 2024
  • Thumbnail for Web Mercator projection
    Web Mercator projection (category Geographic coordinate systems)
    MEMBER["World Geodetic System 1984 (Transit)", ID["EPSG",1166]], MEMBER["World Geodetic System 1984 (G730)", ID["EPSG",1152]], MEMBER["World Geodetic System 1984...
    16 KB (1,712 words) - 17:02, 17 June 2024
  • reference for the determining of locators should be based on the World Geodetic System 1984 (WGS-84). A Maidenhead locator compresses latitude and longitude...
    16 KB (1,933 words) - 17:06, 1 June 2024
  • Thumbnail for Spatial reference system
    geographic coordinates (latitude and longitude). Examples include the World Geodetic System and the 1927 and 1983 North American Datum. A datum generally consists...
    15 KB (1,546 words) - 06:12, 22 May 2024
  • Thumbnail for Geographic coordinate system
    A geographic coordinate system (GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude...
    22 KB (2,491 words) - 18:21, 12 August 2024
  • Thumbnail for Earth ellipsoid
    TR8350.2, "Department of Defense World Geodetic System 1984, Its Definition and Relationships With Local Geodetic Systems", Third Edition, 4 July 1997 [1]...
    19 KB (2,379 words) - 03:42, 10 July 2024