Table of Contents
TM75 / Irish Grid
EPSG : 29903
- Description : TM75 / Irish Grid
- Type : Projected CRS
- Area : Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
Since version 10.2 Orbit supports the TM75 / Irish Grid as described by the Ordnance Survey.
Both OS Polynomial transformation xy and OSGM02 z grid corrections are implemented.
To use this implementation the Ordnance Survey grid file OSGM02_RoI.bin (1.5MB) need to be available in the Orbit directory (program/system/crs).
Download, unzip and copy to the indicated directory : osgm02_roi.zip.
More information about :
- the use and application of Coordinate Reference Systems in Orbit, see Coordinate Reference Systems in Orbit
- technical specifications of this coordinate system , read the available documentation on the Ordnance Survey website :