Coordinate Reference Systems
Transform Coordinates
Remarks
Derived at 17 points in May 2009. Residuals at 60 test points within 0.1m horizontal and 0.8m vertical. Info source also provides a Position Vector tfm of similar accuracy.
Frequently Asked Questions
How do I convert Azores Central 1995 to PTRA08 coordinates?
Use the coordinate transformation tool above to convert Azores Central 1995 (EPSG:4665) to PTRA08 (EPSG:5013). Enter your source coordinates and click Transform. This uses the Geocentric translations (geog2D domain) method with 0.8m accuracy.
How do I transform Azores Central 1995 to PTRA08 using Proj4js?
Use proj4.defs to define both EPSG:4665 and EPSG:5013, then call proj4(source, target, [x, y]) to convert coordinates programmatically.
What is the accuracy of the Azores Central 1995 to PTRA08 transformation?
This transformation (EPSG:5031) has an accuracy of 0.8m using the Geocentric translations (geog2D domain) method. Area of use: Portugal - Azores C - S Jorge onshore.