Source: EPSG:9429 — ETRS89 + Douglas height
compound horizontal + vertical reference system · Area of use: Isle of Man
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +geoidgrids=uk_os_OSGM15_GB.tif +geoid_crs=WGS84 +vunits=m +no_defs +type=crsMore about EPSG:9429 →