• OSNI 1952

  EPSG:6188
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
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• Geodetic Datum of 1965

  EPSG:6300
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
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• TM65

  EPSG:6299
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
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• IRENET95

  EPSG:6173
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
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• OS (SN) 1980

  EPSG:6279
  Area of use: Ireland
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• OSGB 1970 (SN)

  EPSG:6278
  Area of use: United Kingdom (UK)
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• OSGB 1936

  EPSG:6277
  Area of use: United Kingdom (UK)
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• European Terrestrial Reference System 1989

  EPSG:6258
  Area of use: Europe
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• European Datum 1950

  EPSG:6230
  Area of use: Europe
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• European Terrestrial Reference Frame 2014

  EPSG:1206
  Area of use: Europe
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Type of results

• Coordinate reference systems (104)

•    Projected (18)
•    Geodetic (28)
•    Geodetic 3D (19)
•    Geocentric (18)
•    Vertical (18)
•    Compound (3)

• Operation (146)

•    Transformation (125)
•    Compound (8)
•    Conversion (13)

• Datum (37)

•    Vertical (17)
•    Geodetic (20)

• Area (42)