Well Known Text

COMPOUNDCRS["SHMG2015 + SHVD2015 height",PROJCRS["SHMG2015",BASEGEOGCRS["SHGD2015",DATUM["St. Helena Geodetic Datum 2015",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]],ID["EPSG",1174]],ID["EPSG",7886]],CONVERSION["UTM zone 30S",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",0,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",-3,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.9996,SCALEUNIT["unity",1,ID["EPSG",9201]],ID["EPSG",8805]],PARAMETER["False easting",500000,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8806]],PARAMETER["False northing",10000000,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8807]],ID["EPSG",16130]],CS[Cartesian,2,ID["EPSG",4400]],AXIS["Easting (E)",east],AXIS["Northing (N)",north],LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7887]],VERTCRS["SHVD2015 height",VDATUM["St. Helena Vertical Datum 2015",ID["EPSG",1177]],CS[vertical,1,ID["EPSG",6499]],AXIS["Gravity-related height (H)",up],LENGTHUNIT["metre",1,ID["EPSG",9001]],GEOIDMODEL["SHGD2015 to SHVD2015 height (1)",ID["EPSG",7891]],ID["EPSG",7890]],ID["EPSG",7956]]