Source: EPSG:9388 — AbInvA96_2020 Grid + ODN height
compound horizontal + vertical reference system · Area of use: UK - Aberdeen to Inverness
+proj=tmerc +lat_0=57.4 +lon_0=-3.2 +k=1 +x_0=155828.702 +y_0=115225.707 +ellps=GRS80 +units=m +geoidgrids=uk_os_OSGM15_GB.tif +geoid_crs=WGS84 +vunits=m +no_defs +type=crsMore about EPSG:9388 →