%I #19 Aug 18 2015 13:27:25

%S 3,9,8,6,0,0,4,4,1,8

%N Decimal expansion of the geocentric gravitational constant (mass of Earth's atmosphere included) of the World Geodetic System 1984 Ellipsoid, second upgrade.

%C Closely aligned with ITRF93, 29 Sept 96 onwards.

%C 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.

%D H. Moritz, Geodetic Reference System 1980, Journal of Geodesy 74 (1): 128-162, 2000. (not WGS 84)

%D Thaddeus Vincenty, Direct and inverse solutions of geodesics on the ellipsoid with application of nested equations, Survey Review XXII (176): 88-93, 1975.

%H Office of GEOINT Sciences, <a href="http://earth-info.nga.mil/GandG/wgs84/">World Geodetic System 1984 (WGS 84)</a>.

%H U.S. Dept. of Commerce, NOAA, National Geodetic Survey, <a href="http://www.ngs.noaa.gov/PUBS_LIB/inverse.pdf">Survey Review</a>, Thaddeus Vincenty, Direct and Inverse Solutions of Geodesics on the Ellipsoid with Application of Nested Equations, Vol. XXIII, No. 176, April, 1975. (an application)

%H U.S. Dept. of Defense, National Imagery and Mapping Agency, <a href="ftp://164.214.2.65/pub/gig/tr8350.2/wgs84fin.pdf">Technical Report, WGS 1984, Its Definition and Relationships with Local Geodetic Systems</a>.

%H U.S. Dept. of Transportation, Federal Aviation Administration, <a href="http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgAdvisoryCircular.nsf/0/633cd6cd012d5336862569e7006daa1a/$FILE/Appx%20E-J.pdf">Advisory Circular 90-45A, Appendix J, Computation of Geodesic Information, 2/21/75</a>.

%H WGS, <a href="http://www.wgs84.com/">World Geodetic System, 1984</a>.

%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Standard_gravitational_parameter">Standard gravitational parameter</a>

%H Wikipedia, <a href="http://en.wikipedia.org/wiki/World_Geodetic_System">World Geodetic System</a>

%F Equals A070058*(the Earth mass). - _Arkadiusz Wesolowski_, Oct 25 2014

%e GM = (3986004.418 +- 0.008) * 10^8 m^3/s^2.

%t (* first do *) Needs["GeometricalGeodesy`ReferenceEllipsoids`"]

%Y Cf. A125123, A125124, A125126.

%K cons,nonn

%O 15,1

%A _Robert G. Wilson v_ & Thomas H. Meyer, Nov 21 2006

%E Missing term inserted and offset corrected by _Arkadiusz Wesolowski_, Oct 25 2014