Geocentric translations (geog2D domain)
Derived at 112 points in May 2009. Residuals at 184 test points within 0.5m horizontal and 1m vertical. Info source also provides a Position Vector tfm of similar accuracy. See codes 5028-32 for preferred tfms for individual islands.
Instituto Geografico Portugues; http://www.igeo.pt
2010-03-30
degree
EPSG
OGP
2003-08-14
Geodesy.
See CRS code 4665 for recommended coordinate axis representation for the human interface.
Portugal - central Azores onshore - Faial, Graciosa, Pico, Sao Jorge, Terceira.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg