ELLIPSOID - GEOID RELATIONSHIP

H

h

Ellipsoid

GRS80

H = Orthometric Height

N

Geoid

H = h - N

PERPENDICULAR

TO ELLIPSOID

PERPENDICULAR

TO GEOID (PLUMBLINE)

DEFLECTION OF THE VERTICAL

DEFLEC99

TOPOGRAPHIC SURFACE

h = Ellipsoidal Height

N = Geoid Height

GEOID99

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