Source: EPSG:9452 — ETRS89 + BI height
compound horizontal + vertical reference system · Area of use: Europe - British Isles - UK and Ireland onshore, UKCS
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +vunits=m +no_defs +type=crsMore about EPSG:9452 →