IGNF:WGS84G.IGN78C - WGS84 geographiques (dms) et NGF-IGN 1978

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "CompoundCRS",
  "name": "WGS84 geographiques (dms) et NGF-IGN 1978",
  "components": [
    {
      "type": "GeographicCRS",
      "name": "WGS84 geographiques (dms)",
      "datum_ensemble": {
        "name": "World Geodetic System 1984 ensemble",
        "members": [
          {
            "name": "World Geodetic System 1984 (Transit)",
            "id": {
              "authority": "EPSG",
              "code": 1166
            }
          },
          {
            "name": "World Geodetic System 1984 (G730)",
            "id": {
              "authority": "EPSG",
              "code": 1152
            }
          },
          {
            "name": "World Geodetic System 1984 (G873)",
            "id": {
              "authority": "EPSG",
              "code": 1153
            }
          },
          {
            "name": "World Geodetic System 1984 (G1150)",
            "id": {
              "authority": "EPSG",
              "code": 1154
            }
          },
          {
            "name": "World Geodetic System 1984 (G1674)",
            "id": {
              "authority": "EPSG",
              "code": 1155
            }
          },
          {
            "name": "World Geodetic System 1984 (G1762)",
            "id": {
              "authority": "EPSG",
              "code": 1156
            }
          },
          {
            "name": "World Geodetic System 1984 (G2139)",
            "id": {
              "authority": "EPSG",
              "code": 1309
            }
          },
          {
            "name": "World Geodetic System 1984 (G2296)",
            "id": {
              "authority": "EPSG",
              "code": 1383
            }
          }
        ],
        "ellipsoid": {
          "name": "WGS 84",
          "semi_major_axis": 6378137,
          "inverse_flattening": 298.257223563
        },
        "accuracy": "2.0",
        "id": {
          "authority": "EPSG",
          "code": 6326
        }
      },
      "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
          {
            "name": "Geodetic longitude",
            "abbreviation": "Lon",
            "direction": "east",
            "unit": "degree"
          },
          {
            "name": "Geodetic latitude",
            "abbreviation": "Lat",
            "direction": "north",
            "unit": "degree"
          }
        ]
      }
    },
    {
      "type": "VerticalCRS",
      "name": "NGF-IGN 1978",
      "datum": {
        "type": "VerticalReferenceFrame",
        "name": "NGF-IGN 1978"
      },
      "coordinate_system": {
        "subtype": "vertical",
        "axis": [
          {
            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "LOCALE",
  "area": "CORSE",
  "bbox": {
    "south_latitude": 41.2,
    "west_longitude": 8,
    "north_latitude": 43.5,
    "east_longitude": 10
  },
  "id": {
    "authority": "IGNF",
    "code": "WGS84G.IGN78C"
  }
}

{'crs_wkt': 'COMPOUNDCRS["WGS84 geographiques (dms) et NGF-IGN '
            '1978",GEOGCRS["WGS84 geographiques (dms)",ENSEMBLE["World '
            'Geodetic System 1984 ensemble",MEMBER["World Geodetic System 1984 '
            '(Transit)"],MEMBER["World Geodetic System 1984 '
            '(G730)"],MEMBER["World Geodetic System 1984 '
            '(G873)"],MEMBER["World Geodetic System 1984 '
            '(G1150)"],MEMBER["World Geodetic System 1984 '
            '(G1674)"],MEMBER["World Geodetic System 1984 '
            '(G1762)"],MEMBER["World Geodetic System 1984 '
            '(G2139)"],MEMBER["World Geodetic System 1984 '
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            'longitude '
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            'latitude '
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 'geographic_crs_name': 'WGS84 geographiques (dms)',
 'geopotential_datum_name': 'NGF-IGN 1978',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'World Geodetic System 1984 ensemble',
 'inverse_flattening': 298.257223563,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'reference_ellipsoid_name': 'WGS 84',
 'semi_major_axis': 6378137.0,
 'semi_minor_axis': 6356752.314245179}