EPSG:3279 - WGS 84 / SCAR IMW SU21-25

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "ProjectedCRS",
  "name": "WGS 84 / SCAR IMW SU21-25",
  "base_crs": {
    "name": "WGS 84",
    "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 latitude",
          "abbreviation": "Lat",
          "direction": "north",
          "unit": "degree"
        },
        {
          "name": "Geodetic longitude",
          "abbreviation": "Lon",
          "direction": "east",
          "unit": "degree"
        }
      ]
    },
    "id": {
      "authority": "EPSG",
      "code": 4326
    }
  },
  "conversion": {
    "name": "SCAR IMW SU21-25",
    "method": {
      "name": "Polar Stereographic (variant B)",
      "id": {
        "authority": "EPSG",
        "code": 9829
      }
    },
    "parameters": [
      {
        "name": "Latitude of standard parallel",
        "value": -80.2386111111111,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8832
        }
      },
      {
        "name": "Longitude of origin",
        "value": -45,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8833
        }
      },
      {
        "name": "False easting",
        "value": 0,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8806
        }
      },
      {
        "name": "False northing",
        "value": 0,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8807
        }
      }
    ]
  },
  "coordinate_system": {
    "subtype": "Cartesian",
    "axis": [
      {
        "name": "Easting",
        "abbreviation": "E",
        "direction": "north",
        "meridian": {
          "longitude": 45
        },
        "unit": "metre"
      },
      {
        "name": "Northing",
        "abbreviation": "N",
        "direction": "north",
        "meridian": {
          "longitude": -45
        },
        "unit": "metre"
      }
    ]
  },
  "scope": "Topographic mapping (medium scale).",
  "area": "Antarctica - 80°S to 84°S and 60°W to 30°W.",
  "bbox": {
    "south_latitude": -84,
    "west_longitude": -60,
    "north_latitude": -80,
    "east_longitude": -30
  },
  "id": {
    "authority": "EPSG",
    "code": 3279
  }
}

{'crs_wkt': 'PROJCRS["WGS 84 / SCAR IMW SU21-25",BASEGEOGCRS["WGS '
            '84",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 '
            '(G2296)"],ELLIPSOID["WGS '
            '84",6378137,298.257223563,LENGTHUNIT["metre",1]],ENSEMBLEACCURACY[2.0]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4326]],CONVERSION["SCAR '
            'IMW SU21-25",METHOD["Polar Stereographic (variant '
            'B)",ID["EPSG",9829]],PARAMETER["Latitude of standard '
            'parallel",-80.2386111111111,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8832]],PARAMETER["Longitude '
            'of '
            'origin",-45,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8833]],PARAMETER["False '
            'easting",0,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
            'northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["(E)",north,MERIDIAN[45,ANGLEUNIT["degree",0.0174532925199433]],ORDER[1],LENGTHUNIT["metre",1]],AXIS["(N)",north,MERIDIAN[-45,ANGLEUNIT["degree",0.0174532925199433]],ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Topographic '
            'mapping (medium scale)."],AREA["Antarctica - 80°S to 84°S and '
            '60°W to 30°W."],BBOX[-84,-60,-80,-30]],ID["EPSG",3279]]',
 'false_easting': 0.0,
 'false_northing': 0.0,
 'geographic_crs_name': 'WGS 84',
 'grid_mapping_name': 'polar_stereographic',
 'horizontal_datum_name': 'World Geodetic System 1984 ensemble',
 'inverse_flattening': 298.257223563,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'projected_crs_name': 'WGS 84 / SCAR IMW SU21-25',
 'reference_ellipsoid_name': 'WGS 84',
 'semi_major_axis': 6378137.0,
 'semi_minor_axis': 6356752.314245179,
 'standard_parallel': -80.23861111111111,
 'straight_vertical_longitude_from_pole': -45.0}