IGNF:WALL76UTM1S.WALLIS96 - Wallis (MOP 1976) UTM Sud fuseau 1 et NGWF WALLIS (MOP 1996)

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "CompoundCRS",
  "name": "Wallis (MOP 1976) UTM Sud fuseau 1 et NGWF WALLIS (MOP 1996)",
  "components": [
    {
      "type": "ProjectedCRS",
      "name": "Wallis (MOP 1976) UTM Sud fuseau 1",
      "base_crs": {
        "name": "Wallis (MOP 1976) geographiques (dms)",
        "datum": {
          "type": "GeodeticReferenceFrame",
          "name": "WALLIS-UVEA MOP1976",
          "ellipsoid": {
            "name": "International 1924",
            "semi_major_axis": 6378388,
            "inverse_flattening": 297
          }
        },
        "coordinate_system": {
          "subtype": "ellipsoidal",
          "axis": [
            {
              "name": "Geodetic longitude",
              "abbreviation": "Lon",
              "direction": "east",
              "unit": "degree"
            },
            {
              "name": "Geodetic latitude",
              "abbreviation": "Lat",
              "direction": "north",
              "unit": "degree"
            }
          ]
        },
        "id": {
          "authority": "IGNF",
          "code": "WALL76G"
        }
      },
      "conversion": {
        "name": "UTM SUD FUSEAU 1",
        "method": {
          "name": "Transverse Mercator",
          "id": {
            "authority": "EPSG",
            "code": 9807
          }
        },
        "parameters": [
          {
            "name": "Latitude of natural origin",
            "value": 0,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8801
            }
          },
          {
            "name": "Longitude of natural origin",
            "value": -177,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8802
            }
          },
          {
            "name": "Scale factor at natural origin",
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            "unit": "unity",
            "id": {
              "authority": "EPSG",
              "code": 8805
            }
          },
          {
            "name": "False easting",
            "value": 500000,
            "unit": "metre",
            "id": {
              "authority": "EPSG",
              "code": 8806
            }
          },
          {
            "name": "False northing",
            "value": 10000000,
            "unit": "metre",
            "id": {
              "authority": "EPSG",
              "code": 8807
            }
          }
        ]
      },
      "coordinate_system": {
        "subtype": "Cartesian",
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            "name": "Easting",
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            "unit": "metre"
          },
          {
            "name": "Northing",
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            "unit": "metre"
          }
        ]
      }
    },
    {
      "type": "VerticalCRS",
      "name": "NGWF WALLIS (MOP 1996)",
      "datum": {
        "type": "VerticalReferenceFrame",
        "name": "NGWF WALLIS (MOP 1996)"
      },
      "coordinate_system": {
        "subtype": "vertical",
        "axis": [
          {
            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "LOCALE, HISTORIQUE",
  "area": "ILE D'UVEA (WALLIS)",
  "bbox": {
    "south_latitude": -13.42,
    "west_longitude": -176.3,
    "north_latitude": -13.17,
    "east_longitude": -176.1
  },
  "id": {
    "authority": "IGNF",
    "code": "WALL76UTM1S.WALLIS96"
  }
}

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 'false_northing': 10000000.0,
 'geographic_crs_name': 'Wallis (MOP 1976) geographiques (dms)',
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 'grid_mapping_name': 'transverse_mercator',
 'horizontal_datum_name': 'WALLIS-UVEA MOP1976',
 'inverse_flattening': 297.0,
 'latitude_of_projection_origin': 0.0,
 'longitude_of_central_meridian': -177.0,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'projected_crs_name': 'Wallis (MOP 1976) UTM Sud fuseau 1',
 'reference_ellipsoid_name': 'International 1924',
 'scale_factor_at_central_meridian': 0.9996,
 'semi_major_axis': 6378388.0,
 'semi_minor_axis': 6356911.9461279465}