IGNF:GUADANNUTM20.GUAD92LD - Guadeloupe Ste Anne UTM Nord fuseau 20 et IGN 1992 LD (GUADELOUPE / LA DESIRADE)

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "CompoundCRS",
  "name": "Guadeloupe Ste Anne UTM Nord fuseau 20 et IGN 1992 LD (GUADELOUPE / LA DESIRADE)",
  "components": [
    {
      "type": "ProjectedCRS",
      "name": "Guadeloupe Ste Anne UTM Nord fuseau 20",
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            "semi_major_axis": 6378388,
            "inverse_flattening": 297
          }
        },
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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": "GUADANNG"
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      "conversion": {
        "name": "UTM NORD FUSEAU 20",
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          }
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            "name": "Latitude of natural origin",
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            "unit": "degree",
            "id": {
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            }
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            "unit": "degree",
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            "name": "Scale factor at natural origin",
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          {
            "name": "False easting",
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            "unit": "metre",
            "id": {
              "authority": "EPSG",
              "code": 8806
            }
          },
          {
            "name": "False northing",
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            "unit": "metre",
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      },
      "coordinate_system": {
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    },
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      },
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        "subtype": "vertical",
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            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "LOCALE, HISTORIQUE",
  "area": "ILE DE LA DESIRADE (GUADELOUPE)",
  "bbox": {
    "south_latitude": 16.25,
    "west_longitude": -61.2,
    "north_latitude": 16.4,
    "east_longitude": -60.75
  },
  "id": {
    "authority": "IGNF",
    "code": "GUADANNUTM20.GUAD92LD"
  }
}

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 'geopotential_datum_name': 'IGN 1992 LD (GUADELOUPE / LA DESIRADE)',
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 'horizontal_datum_name': 'Guadeloupe 1948',
 'inverse_flattening': 297.0,
 'latitude_of_projection_origin': 0.0,
 'longitude_of_central_meridian': -63.0,
 'longitude_of_prime_meridian': 0.0,
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