Coordinate Reference Systems
Remarks
OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Douglas height (1) (tfm code 10023). For reversible alternative to this transformation see ETRS89 to ETRS89 + Douglas height (2) (code 9590).
Frequently Asked Questions
What is the accuracy of the ETRS89 to Douglas height transformation?
This transformation (EPSG:7717) has an accuracy of 0.03m using the Geographic3D to GravityRelatedHeight (OSGM-GB) method. Area of use: Isle of Man.