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How to add the new OSTN02 NTV2 Transformation to ArcGIS Desktop 10.0

Question asked by geonetadmin on Mar 15, 2011
Latest reply on Jun 1, 2011 by jsibbaldesriuk-esridist
Original User: Sibbald

Ordnance Survey working with Defence Geographic Centre have produced an NTV2 version of their OSTN02 transformation. Information about the transformation and the NTV2 file itself can be found at

The attached PDF shows how to add this to ArcGIS Desktop 10.0. I have also included my GEOGTRAN file which needs the .txt extension removed to work. Enjoy!