(DoD) The mathematical model of the earth used to calculate the coordinates on any map. Different nations use different datums for printing coordinates on their maps. The datum is usually referenced in the marginal information of each map.
(DoD) A reference surface consisting of five quantities: the latitude and longitude of an initial point, the azimuth of a line from that point, and the parameters of the reference ellipsoid.
(DoD) A reference surface consisting of five quantities: the latitude and longitude of an initial point, the azimuth of a line from that point, and the parameters of the reference ellipsoid.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). datum (geodetic). Retrieved September 21, 2026, from http://smartdefine.org/datum_(geodetic)/definitions/1961232 |
| Chicago | Military Dictionary (DoD). 2011. "datum (geodetic)" http://smartdefine.org/datum_(geodetic)/definitions/1961232 (accessed September 21, 2026). |
| Harvard | Military Dictionary (DoD) 2011, datum (geodetic), Smart Define, viewed 21 September, 2026, <http://smartdefine.org/datum_(geodetic)/definitions/1961232>. |
| MLA | Military Dictionary (DoD). "datum (geodetic)" 4 April 2011. Web. 21 September 2026. <http://smartdefine.org/datum_(geodetic)/definitions/1961232> |