OFFSET
7,1
COMMENTS
Closely aligned with ITRF93, Sep 29 1996 onwards.
The new World Geodetic System is called WGS 84. It is currently the reference system being used by the Global Positioning System. It is geocentric and globally consistent within +-1 m.
REFERENCES
H. Moritz, Geodetic Reference System 1980, Journal of Geodesy 74 (1): 128-162, 2000. (not WGS 84)
Thaddeus Vincenty, Direct and inverse solutions of geodesics on the ellipsoid with application of nested equations, Survey Review XXII (176): 88-93, 1975.
LINKS
Office of GEOINT Sciences, World Geodetic System 1984 (WGS 84).
U.S. Dept. of Commerce, NOAA, National Geodetic Survey, Survey Review, Thaddeus Vincenty, Direct and Inverse Solutions of Geodesics on the Ellipsoid with Application of Nested Equations, Vol. XXIII, No. 176, April, 1975. (an application)
U.S. Dept. of Defense, National Imagery and Mapping Agency, Technical Report, WGS 1984, Its Definition and Relationships with Local Geodetic Systems.
U.S. Dept. of Transportation, Federal Aviation Administration, Advisory Circular 90-45A, Appendix J, Computation of Geodesic Information, 2/21/75.
Wikipedia, World Geodetic System.
EXAMPLE
a = semi-major axis = 6378137 meters.
MATHEMATICA
(* first do *) Needs["GeometricalGeodesy`ReferenceEllipsoids`"] (* then *) IntegerDigits@ semiMajor@ WGS84 (* incomplete coding completed by Robert G. Wilson v, Apr 17 2010 *)
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Robert G. Wilson v and Thomas H. Meyer, Nov 21 2006
STATUS
approved