Related terms:
wgs
geoid
dod
datum
ellipsoid
geodetic
mercator
geocentric
flattening
cartography
surveying
mean sea level
gps
equatorial
straight lines
reference system
reference ellipsoid
grid
geographic
meridian
elevation
meter
latitude
observatory
geography
gravity
above
height
altitude
point
Wikipedia sources:
Geodesy
World Geodetic System
Military grid reference system
Elevation
Equator
Height
Map projection
Above mean sea level
Very Long Baseline Interferometry
National Geospatial-Intelligence Agency
Ley line
Geoid
Earth science
Context for words:
geodesy
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