COMPD_CS["SYC20 Grid + ODN height",PROJCS["SYC20 Grid",GEOGCS["SYC20-IRF",DATUM["SYC20_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1345"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","10237"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",52.9],PARAMETER["central_meridian",-2.6],PARAMETER["scale_factor",1],PARAMETER["false_easting",110094.4312],PARAMETER["false_northing",120623.8396],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","10240"]],VERT_CS["ODN height",VERT_DATUM["Ordnance Datum Newlyn",2005,AUTHORITY["EPSG","5101"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5701"]],AUTHORITY["EPSG","10241"]]