Name: Datum 73 to ETRS89 (5)
Method: Position Vector transformation (geog2D domain)
Remarks: Derived in July 2009 from 119 common stations. Residuals at 833 test points under 2m. Replaces Datum 73 to ETRS89 (3) (tfm code 1992).
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