EPSG:7955 — St. Helena Tritan / UTM zone 30S + Tritan 2011 height

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,ID["EPSG",9001]],
                    ID["EPSG",7030]
                ],
                ID["EPSG",1173]
            ],
            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",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",7883]
    ],
    VERTCRS[
        "St. Helena Tritan 2011 height",
        VDATUM["St. Helena Tritan Vertical Datum 2011",ID["EPSG",1176]],
        CS[vertical,1,ID["EPSG",6499]],
        AXIS["Gravity-related height (H)",up],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        ID["EPSG",7889]
    ],
    ID["EPSG",7955]
]

+proj=utm +zone=30 +south +ellps=WGS84 +units=m +vunits=m +no_defs +type=crs

proj4.defs("EPSG:7955", "+proj=utm +zone=30 +south +ellps=WGS84 +units=m +vunits=m +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 7955,
  "name": "St. Helena Tritan / UTM zone 30S + Tritan 2011 height",
  "kind": "compound",
  "area": "St Helena - St Helena Island",
  "unit": null,
  "bbox": [
    -16.08,
    -5.85,
    -15.85,
    -5.59
  ],
  "proj4": "+proj=utm +zone=30 +south +ellps=WGS84 +units=m +vunits=m +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (7955, 'EPSG', 7955, '+proj=utm +zone=30 +south +ellps=WGS84 +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["St. Helena Tritan / UTM zone 30S + Tritan 2011 height",PROJCS["St. Helena Tritan / UTM zone 30S",GEOGCS["St. Helena Tritan",DATUM["St_Helena_Tritan",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","1173"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","7881"]],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","7883"]],VERT_CS["St. Helena Tritan 2011 height",VERT_DATUM["St. Helena Tritan Vertical Datum 2011",2005,AUTHORITY["EPSG","1176"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","7889"]],AUTHORITY["EPSG","7955"]]');

PROJECTION
  "+proj=utm"
  "+zone=30"
  "+south"
  "+ellps=WGS84"
  "+units=m"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

7955=COMPD_CS["St. Helena Tritan / UTM zone 30S + Tritan 2011 height",PROJCS["St. Helena Tritan / UTM zone 30S",GEOGCS["St. Helena Tritan",DATUM["St_Helena_Tritan",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","1173"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","7881"]],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","7883"]],VERT_CS["St. Helena Tritan 2011 height",VERT_DATUM["St. Helena Tritan Vertical Datum 2011",2005,AUTHORITY["EPSG","1176"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","7889"]],AUTHORITY["EPSG","7955"]]