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Additional
World Geodetic System
English Wikipedia - The Free Encyclopedia
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World Geodetic System
The
World Geodetic System
(
WGS
) is a standard for use in
cartography
,
geodesy
, and
navigation
including by
GPS
. It comprises a standard
coordinate system
for the
Earth
, a standard
spheroidal
reference surface (the
datum
or
reference ellipsoid
) for raw
altitude
data, and a
gravitational
equipotential surface
(the
geoid
) that defines the
nominal sea level
.
See more at Wikipedia.org...
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