World Geodetic System 1984

URI: https://gptkb.org/entity/World_Geodetic_System_1984
GPTKB entity
Statements (35)
Predicate Object
gptkbp:instanceOf geodetic datum
gptkbp:abbreviation gptkb:WGS_84
gptkbp:altitudeReference ellipsoid height
gptkbp:coordinateFormat latitude, longitude, height
gptkbp:coordinateReferenceSystem gptkb:EPSG:4326
gptkbp:coordinateSystemType geocentric
gptkbp:datumOrigin Earth's center of mass
gptkbp:datumRealization gptkb:ITRF_(International_Terrestrial_Reference_Frame)
gptkbp:datumType global
gptkbp:datumUpdateYears 1994
2004
2012
2021
2023
gptkbp:ellipsoidName WGS 84 ellipsoid
gptkbp:flattening 1/298.257223563
https://www.w3.org/2000/01/rdf-schema#label World Geodetic System 1984
gptkbp:introducedIn 1984
gptkbp:latitude -90 to +90 degrees
gptkbp:longitude -180 to +180 degrees
gptkbp:maintainedBy gptkb:National_Geospatial-Intelligence_Agency
gptkbp:replacedBy World Geodetic System 1972
gptkbp:semiMajorAxis 6378137.0 meters
gptkbp:usedBy gptkb:Google_Maps
gptkb:Global_Positioning_System
gptkb:OpenStreetMap
aviation
cartography
maritime navigation
satellite navigation systems
gptkbp:usedFor gptkb:navigation
mapping
surveying
gptkbp:bfsParent gptkb:WGS_84
gptkbp:bfsLayer 7