COMPD_CS["Dart+26 Grid + Malin Head height",PROJCS["Dart+26 Grid",GEOGCS["Dart+26-IRF",DATUM["Dart+26_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1460"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","11461"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",53.45],PARAMETER["central_meridian",-6.35],PARAMETER["scale_factor",1],PARAMETER["false_easting",243865.8029],PARAMETER["false_northing",222073.5699],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","11464"]],VERT_CS["Malin Head height",VERT_DATUM["Malin Head",2005,AUTHORITY["EPSG","5130"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5731"]],AUTHORITY["EPSG","11465"]]