EPSG:7410 - PSHD93

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "CompoundCRS",
  "name": "PSHD93",
  "components": [
    {
      "type": "GeographicCRS",
      "name": "PSD93",
      "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "PDO Survey Datum 1993",
        "ellipsoid": {
          "name": "Clarke 1880 (RGS)",
          "semi_major_axis": 6378249.145,
          "inverse_flattening": 293.465
        }
      },
      "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
          {
            "name": "Geodetic latitude",
            "abbreviation": "Lat",
            "direction": "north",
            "unit": "degree"
          },
          {
            "name": "Geodetic longitude",
            "abbreviation": "Lon",
            "direction": "east",
            "unit": "degree"
          }
        ]
      }
    },
    {
      "type": "VerticalCRS",
      "name": "PHD93 height",
      "datum": {
        "type": "VerticalReferenceFrame",
        "name": "PDO Height Datum 1993"
      },
      "coordinate_system": {
        "subtype": "vertical",
        "axis": [
          {
            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "Oil and gas exploration and production.",
  "area": "Oman - onshore. Includes Musandam and the Kuria Muria (Al Hallaniyah) islands.",
  "bbox": {
    "south_latitude": 16.59,
    "west_longitude": 51.99,
    "north_latitude": 26.58,
    "east_longitude": 59.91
  },
  "id": {
    "authority": "EPSG",
    "code": 7410
  }
}

{'crs_wkt': 'COMPOUNDCRS["PSHD93",GEOGCRS["PSD93",DATUM["PDO Survey Datum '
            '1993",ELLIPSOID["Clarke 1880 '
            '(RGS)",6378249.145,293.465,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic '
            'latitude '
            '(Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic '
            'longitude '
            '(Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]]],VERTCRS["PHD93 '
            'height",VDATUM["PDO Height Datum '
            '1993"],CS[vertical,1],AXIS["gravity-related height '
            '(H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Oil and gas '
            'exploration and production."],AREA["Oman - onshore. Includes '
            'Musandam and the Kuria Muria (Al Hallaniyah) '
            'islands."],BBOX[16.59,51.99,26.58,59.91]],ID["EPSG",7410]]',
 'geographic_crs_name': 'PSD93',
 'geopotential_datum_name': 'PDO Height Datum 1993',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'PDO Survey Datum 1993',
 'inverse_flattening': 293.465,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'reference_ellipsoid_name': 'Clarke 1880 (RGS)',
 'semi_major_axis': 6378249.145,
 'semi_minor_axis': 6356514.8695497755}