EPSG:CODE

ETRS89 to ETRS89 + BI height (1)

EPSG:4937 EPSG:9452

Coordinate Reference Systems

Remarks

Reversible alternative to ETRS89 to BI height (1) (code 9914).

Frequently Asked Questions

What is the accuracy of the ETRS89 to ETRS89 + BI height transformation?

This transformation (EPSG:9915) has an accuracy of 0.02m using the Geog3D to Geog2D+GravityRelatedHeight (OSGM-GB) method. Area of use: UK - Britain and UKCS 49°45'N to 61°N, 9°W to 2°E.