Coordinate transformations to PTRA08

The EPSG Geodetic Parameter Dataset defines official transformations from 4 coordinate reference systems to PTRA08 (EPSG:5013). Each page lists the published parameters, accuracy and area of use, with a free in-browser converter.

• Azores Central 1995 → PTRA08±0.2 m
• Azores Occidental 1939 → PTRA08±0.2 m
• Azores Oriental 1995 → PTRA08±0.1 m
• Porto Santo 1995 → PTRA08±0.2 m