• 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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• Astro DOS 71

  EPSG:4710 with transformation: 15798
  Area of use: St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore. (accuracy: 44.0)
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• St. Helena Tritan

  EPSG:7881
  Area of use: St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.
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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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• 1

Type of results

• Coordinate reference systems (20)

•    Projected (5)
•    Geodetic (5)
•    Geodetic 3D (2)
•    Geocentric (2)
•    Vertical (3)
•    Compound (3)

• Operation (13)

•    Transformation (11)
•    Conversion (2)

• Datum (8)

•    Vertical (3)
•    Geodetic (5)

• Area (4)