Geocentric translations (geog2D domain)
Derived at 36 points in May 2009. Residuals at 43 test points within 0.2m horizontal and 0.3m vertical. Info source also provides a 7-parameter Position Vector transformation of similar accuracy.
Instituto Geografico Portugues; http://www.igeo.pt
2010-03-30
degree
EPSG
OGP
2003-08-14
Geodesy.
See CRS code 4664 for recommended coordinate axis representation for the human interface.
Portugal - eastern Azores onshore - Sao Miguel, Santa Maria, Formigas.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg