Geocentric translations (geog2D domain)
Derived in July 2009 from 119 common stations. Average residual at 833 test points 2.5m, maximum 7m. Info source also gives a Position Vector tfm which is of similar accuracy. Replaces Lisbon to ETRS89 (2) (tfm code 1997).
Instituto Geografico Portugues; http://www.igeo.pt
2020-03-14
Geodesy.
See CRS code 4207 for recommended coordinate axis representation for the human interface.
Portugal - mainland - onshore.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg