EPSG:81

Unit: metre

Data source: EPSG

Information source: OGP based on ISO 19111

Revision date: 2016-02-15

Orientation: up

Abbreviation: h

Axis order: 3..

Remarks: Used only as part of an ellipsoidal 3D coordinate system in a geographic 3D coordinate reference system, never on its own.

Coordinate system: Ellipsoidal 3D CS. Axes: latitude, longitude, ellipsoidal height. Orientations: north, east, up. UoM: dec deg, dec deg, m.

Description: Distance of a point from the ellipsoid measured along the perpendicular from the ellipsoid to this point. Positive if upwards or outside of the ellipsoid.