Geodetic Publications

For information on our geodetic services, download the following publications:

OSGM02 A new geoid model of the British Isles OSGM02 A new geoid model of the British Isles.pdf (0.81 MB, Adobe PDF) , 

The Irish Grid A Description of the Coordinate Reference System Used in Ireland The Irish Grid A Description of the Coordinate Reference System Used in Ireland.pdf (0.35 MB, Adobe PDF) ,

Making Maps Compatible with GPS - Transformations between the Irish Grid and the GPS Co-ordinate Reference Frame WGS84/ETRF89 transformations_booklet.pdf (0.22 MB, Adobe PDF) 

Co-ordinate Positioning Strategy Co-ordinate Positioning Strategy.pdf (0.03 MB, Adobe PDF)