geodetic reference
1Geodetic Reference System 1980 — Das Geodätisches Referenzsystem 1980 (GRS 80, engl. Geodetic Reference System 1980) ist ein Erdmodell, das die wichtigsten Parameter der Erdfigur, ihres Schwerefeldes und der Erdrotation umfasst, oft als Referenzellipsoid bezeichnet. Seine… …
2Geodetic system — For other uses, see Geodetic. Geodesy Fundamentals …
3Reference ellipsoid — In geodesy, a reference ellipsoid is a mathematically defined surface that approximates the geoid, the truer figure of the Earth, or other planetary body.Because of their relative simplicity, reference ellipsoids are used as a preferred surface… …
4Geodetic effect — This article is about precession of orbiting bodies. For observing binary stars, see de Sitter double star experiment. A representation of the geodetic effect …
5geodetic longitude — The angle between the plane of the reference meridian and the plane through the polar axis and the normal to the spheroid. It is the astronomical longitude corrected for the prime vertical component of the deflection of the vertical divided by… …
6Regional Reference Frame Sub-Commission for Europe — Infobox Union name= EUREF country= affiliation= International Association of Geodesy members= more than 30 countries full name= Regional Reference Frame Sub Commission for Europe native name= founded= 1987 current= head= dissolved date= dissolved …
7Spatial reference system — Geodesy Fundamentals Geodesy · …
8World Geodetic System — The World Geodetic System defines a reference frame for the earth, for use in geodesy and navigation. The latest revision is WGS 84 dating from 1984 (last revised in 2004), which will be valid up to about 2010.Earlier schemes included WGS 72, WGS …
9Military grid reference system — Geodesy Fundamentals Geodesy · …
10European Terrestrial Reference System 1989 — The European Terrestrial Reference System 1989 (ETRS89) is a ECEF (Earth Centered, Earth Fixed) geodetic Cartesian reference frame, in which the Eurasian Plate as a whole is static. The coordinates and maps in Europe based on ETRS89 are not… …
