ETRS89-BEL [BEREF2011] to ETRS89-BEL [BEREF2011] + Ostend height (1)
Coordinate Reference Systems
Remarks
Reversible alternative to ETRS89-BEL [BEREF2011] to Ostend height (1) (code 9908). In use from 2018-08-01. The interpolation CRS is ETRS89-BEL [BEREF2011] but using any realization of ETRS89 including ETRS89-BEL [BEREF2002] or ensemble-based EPSG:4258 is adequate for grid interpolation.
Frequently Asked Questions
What is the accuracy of the ETRS89-BEL [BEREF2011] to ETRS89-BEL [BEREF2011] + Ostend height transformation?
This transformation (EPSG:9909) has an accuracy of 0.02m using the Geog3D to Geog2D+GravityRelatedHeight (txt) method. Area of use: Belgium - onshore.