EPSG:CODE

ETRS89 to BI height (3)

EPSG:4937 → EPSG:9451

Coordinate Reference Systems

Source CRS
EPSG:4937
ETRS89
Geographic 3D
Target CRS
EPSG:9451
BI height
Vertical

Remarks

Parameter file taken from ETRS89 to Malin Head height (2). Malin Head is a member of the BI ensemble. For reversible alternative to this transformation see ETRS89 to ETRS89 + BI height (3) (code 9919).

Frequently Asked Questions

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

This transformation (EPSG:9918) has an accuracy of 0.023m using the Geographic3D to GravityRelatedHeight (OSGM15-Ire) method. Area of use: Europe - Ireland (Republic and Ulster) - onshore.