geodetic datum


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Related to geodetic datum: WGS 84, Geographic datum

geodetic datum

[¦jē·ə¦ded·ik ′dad·əm]
(geodesy)
A datum consisting of five quantities: the latitude and longitude of an initial point, the azimuth of a line from this point, and two constants necessary to define the terrestrial spheroid.
References in periodicals archive ?
Two connections across Bass Strait provided Australian Geodetic Datum (AGD) coordinates for Tasmania and USAF Hiran connections to a traverse up Cape York extended the Australian Geodetic Datum to Papua New Guinea.
The new capabilities for MicroStation GeoGraphics support a full complement of coordinate systems and transformations, including definitions of custom ellipsoids, geodetic datum, and automatic grid generation.