10276=COMPD_CS["SMITB20 Grid + ODN height",PROJCS["SMITB20 Grid",GEOGCS["SMITB20-IRF",DATUM["SMITB20_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1351"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","10272"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",50.75],PARAMETER["central_meridian",-3.85],PARAMETER["scale_factor",1],PARAMETER["false_easting",110693.666],PARAMETER["false_northing",102089.2943],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","10275"]],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","10276"]]