COMPOUNDCRS["St. Helena Tritan / UTM zone 30S + Tritan 2011 height",PROJCRS["St. Helena Tritan / UTM zone 30S",BASEGEOGCRS["St. Helena Tritan",DATUM["St. Helena Tritan",ELLIPSOID["WGS 84",6378137,298.257223563,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",7881]],CONVERSION["UTM zone 30S",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",-3,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.9996,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",500000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",10000000,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["metre",1]]],VERTCRS["St. Helena Tritan 2011 height",VDATUM["St. Helena Tritan Vertical Datum 2011"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Engineering survey including Airport and Ruperts Wharf construction."],AREA["St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore."],BBOX[-16.08,-5.85,-15.85,-5.59]],ID["EPSG",7955]]