IGNF:TAHI79UTM6S.TAHITI66 - Tahiti (IGN79) UTM Sud fuseau 6 et IGN 1966 (TAHITI)

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  "type": "CompoundCRS",
  "name": "Tahiti (IGN79) UTM Sud fuseau 6 et IGN 1966 (TAHITI)",
  "components": [
    {
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      "name": "Tahiti (IGN79) UTM Sud fuseau 6",
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            "semi_major_axis": 6378388,
            "inverse_flattening": 297
          }
        },
        "coordinate_system": {
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              "name": "Geodetic longitude",
              "abbreviation": "Lon",
              "direction": "east",
              "unit": "degree"
            },
            {
              "name": "Geodetic latitude",
              "abbreviation": "Lat",
              "direction": "north",
              "unit": "degree"
            }
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        },
        "id": {
          "authority": "IGNF",
          "code": "TAHI79G"
        }
      },
      "conversion": {
        "name": "UTM SUD FUSEAU 6",
        "method": {
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          "id": {
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            "code": 9807
          }
        },
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            "value": 0,
            "unit": "degree",
            "id": {
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            }
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            "unit": "degree",
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            }
          },
          {
            "name": "False easting",
            "value": 500000,
            "unit": "metre",
            "id": {
              "authority": "EPSG",
              "code": 8806
            }
          },
          {
            "name": "False northing",
            "value": 10000000,
            "unit": "metre",
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          }
        ]
      },
      "coordinate_system": {
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            "name": "Easting",
            "abbreviation": "X",
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            "unit": "metre"
          },
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            "name": "Northing",
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          }
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    },
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        "name": "IGN 1966 (TAHITI)"
      },
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        "subtype": "vertical",
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            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "LOCALE, HISTORIQUE",
  "area": "TAHITI (ARCHIPEL DE LA SOCIETE)",
  "bbox": {
    "south_latitude": -18,
    "west_longitude": -150,
    "north_latitude": -17,
    "east_longitude": -149
  },
  "id": {
    "authority": "IGNF",
    "code": "TAHI79UTM6S.TAHITI66"
  }
}

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 'grid_mapping_name': 'transverse_mercator',
 'horizontal_datum_name': 'Tahiti 79',
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 'latitude_of_projection_origin': 0.0,
 'longitude_of_central_meridian': -147.0,
 'longitude_of_prime_meridian': 0.0,
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 'projected_crs_name': 'Tahiti (IGN79) UTM Sud fuseau 6',
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