EPSG:CODE

ETRS89 to ETRS89 + BI height (2)

EPSG:4937 → EPSG:9452

Coordinate Reference Systems

Source CRS
EPSG:4937
ETRS89
Geographic 3D
Target CRS
EPSG:9452
ETRS89 + BI height
Compound

Remarks

Reversible alternative to ETRS89 to BI height (2) (code 9916).

Frequently Asked Questions

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

This transformation (EPSG:9917) has an accuracy of 0.014m using the Geog3D to Geog2D+GravityRelatedHeight (OSGM15-Ire) method. Area of use: UK - Northern Ireland - onshore.