Datum 73 (deg)

Selected transformation

Method: NTv2

Grid Files: D73_ETRS89_geo.gsb

Remarks: Derived from 1129 common stations in the national geodetic network. Residuals at 130 further test points average 0.06m, maximum 0.16m.

Information source: Instituto Geografico Portugues; http://www.igeo.pt

Revision date: 2020-03-14


Unit: degree

Geodetic CRS: Datum 73

Datum: Datum 73

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: OGP

Revision date: 2002-11-22

Scope: Geodesy.

Remarks: See CRS code 4274 for recommended coordinate axis representation for the human interface.

Area of use: Portugal - mainland - onshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg

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