Your Input Coordinates and GPS Height:

Latitude = 0° N = 0° 0' 0" N
Longitude = 0° E = 0° 0' 0" E
GPS ellipsoidal height = 0 (meters)
Geoid height = 17.162 (meters)
Orthometric height (height above mean sea level) = -17.162 (meters)
(note: orthometric Height = GPS ellipsoidal height - geoid height)

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