INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (7956, 'EPSG', 7956, '+proj=utm +zone=30 +south +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["SHMG2015 + SHVD2015 height",PROJCS["SHMG2015",GEOGCS["SHGD2015",DATUM["St_Helena_Geodetic_Datum_2015",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1174"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","7886"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-3],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","7887"]],VERT_CS["SHVD2015 height",VERT_DATUM["St. Helena Vertical Datum 2015",2005,AUTHORITY["EPSG","1177"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","7890"]],AUTHORITY["EPSG","7956"]]');