Name: Datum 73 to ETRS89 (1)
Method: Position Vector transformation (geog2D domain)
Remarks: Derived in 2000 at 8 stations. Replaced by 2001 derivation (tfm code 1992). May be taken as approximate tfm to WGS 84 - see tfm 1658.
Information source: Instituto Portugues de Cartografia e Cadastro via EuroGeographics; http://crs.bkg.bund.de/crs-eu/
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