• WGS 84 - WGS84 - World Geodetic System 1984, used in GPS

  EPSG:4326
  Area of use: World
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• SAD69 - Brazil

  EPSG:4618 with transformation: 1864
  Area of use: South America - onshore north of 45°S excluding Amazonia. (accuracy: 19.0)
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• HD1909

  EPSG:3819 with transformation: 3817
  Area of use: Hungary. (accuracy: 3.0)
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• TWD67

  EPSG:3821
  Area of use: Taiwan, Republic of China - onshore - Taiwan Island, Penghu (Pescadores) Islands.
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• TWD97

  EPSG:3824
  Area of use: Taiwan, Republic of China - onshore and offshore - Taiwan Island, Penghu (Pescadores) Islands.
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• IGRS

  EPSG:3889
  Area of use: Iraq - onshore and offshore.
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• Chatham Islands 1979

  EPSG:4673 with transformation: 1081
  Area of use: New Zealand - Chatham Islands group - onshore. (accuracy: 2.0)
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• SIRGAS 2000

  EPSG:4674
  Area of use: Latin America
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• Guam 1963

  EPSG:4675 with transformation: 1069
  Area of use: Guam - onshore. (accuracy: 5.0)
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• Vientiane 1982

  EPSG:4676 with transformation: 8651
  Area of use: Laos. (accuracy: 6.0)
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