Source: EPSG:9907 — ETRS89 + Ostend height
compound horizontal + vertical reference system · Area of use: Belgium - onshore
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +geoidgrids=be_ign_hBG18.tif +geoid_crs=WGS84 +vunits=m +no_defs +type=crsMore about EPSG:9907 →