IGNF:KERG62UTM42S.KERG62 - KERGUELEN K0 IGN 1962 UTM SUD FUSEAU 42 et IGN 1962 (KERGUELEN)

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "CompoundCRS",
  "name": "KERGUELEN K0 IGN 1962 UTM SUD FUSEAU 42 et IGN 1962 (KERGUELEN)",
  "components": [
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      "type": "ProjectedCRS",
      "name": "KERGUELEN K0 IGN 1962 UTM SUD FUSEAU 42",
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        "name": "Kerguelen geographiques (dms)",
        "datum": {
          "type": "GeodeticReferenceFrame",
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            "semi_major_axis": 6378388,
            "inverse_flattening": 297
          }
        },
        "coordinate_system": {
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          "axis": [
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              "name": "Geodetic longitude",
              "abbreviation": "Lon",
              "direction": "east",
              "unit": "degree"
            },
            {
              "name": "Geodetic latitude",
              "abbreviation": "Lat",
              "direction": "north",
              "unit": "degree"
            }
          ]
        },
        "id": {
          "authority": "IGNF",
          "code": "KERG62G"
        }
      },
      "conversion": {
        "name": "UTM SUD FUSEAU 42",
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          "id": {
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          }
        },
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            "unit": "degree",
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            "name": "Longitude of natural origin",
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            "unit": "degree",
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              "authority": "EPSG",
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            }
          },
          {
            "name": "False easting",
            "value": 500000,
            "unit": "metre",
            "id": {
              "authority": "EPSG",
              "code": 8806
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          },
          {
            "name": "False northing",
            "value": 10000000,
            "unit": "metre",
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          }
        ]
      },
      "coordinate_system": {
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        "axis": [
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            "name": "Easting",
            "abbreviation": "X",
            "direction": "east",
            "unit": "metre"
          },
          {
            "name": "Northing",
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            "unit": "metre"
          }
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      "type": "VerticalCRS",
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        "name": "IGN 1962 (KERGUELEN)"
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        "subtype": "vertical",
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            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "NATIONALE, HISTORIQUE",
  "area": "KERGUELEN",
  "bbox": {
    "south_latitude": -50.5,
    "west_longitude": 67,
    "north_latitude": -48,
    "east_longitude": 71
  },
  "id": {
    "authority": "IGNF",
    "code": "KERG62UTM42S.KERG62"
  }
}

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 'horizontal_datum_name': 'KERGUELEN - K0 (IGN 1962)',
 'inverse_flattening': 297.0,
 'latitude_of_projection_origin': 0.0,
 'longitude_of_central_meridian': 69.0,
 'longitude_of_prime_meridian': 0.0,
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