• St. Helena Tritan

  EPSG:7881
  Area of use: St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.
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• Astro DOS 71/4 (St. Helena 1971)

  ESRI:37238
  Area of use: St Helena - St Helena Island
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• Astro DOS 71

  EPSG:4710 with transformation: 7894
  Area of use: St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore. (accuracy: 1.0)
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• Ascension Island 1958

  EPSG:4712 with transformation: 15797
  Area of use: St Helena, Ascension and Tristan da Cunha - Ascension Island - onshore. (accuracy: 44.0)
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• Tristan 1968

  EPSG:4734 with transformation: 15816
  Area of use: St Helena, Ascension and Tristan da Cunha (accuracy: 44.0)
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• SHGD2015

  EPSG:7886
  Area of use: St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.
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• Ascension Island 1958

  ESRI:37237
  Area of use: St Helena - Ascension Island
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• Tristan Astro 1968

  ESRI:37251
  Area of use: St Helena - Tristan da Cunha
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• WGS 84 - WGS84 - World Geodetic System 1984, used in GPS

  EPSG:4326
  Area of use: World
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• 1

Type of results

• Coordinate reference systems (40)

•    Projected (14)
•    Geodetic (9)
•    Geodetic 3D (4)
•    Geocentric (5)
•    Vertical (3)
•    Compound (5)

• Operation (19)

•    Transformation (14)
•    Conversion (5)

• Datum (8)

•    Vertical (3)
•    Geodetic (5)

• Area (7)