• TM65

  EPSG:4299 with transformation: 1641
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore. (accuracy: 1.0)
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• TM75

  EPSG:4300 with transformation: 1954
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore. (accuracy: 1.0)
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• OSNI 1952

  EPSG:4188 with transformation: 1955
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore. (accuracy: 1.0)
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• IRENET95

  EPSG:4173
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
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• OS(SN)80

  EPSG:4279
  Area of use: Ireland
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• PNG94

  EPSG:5546
  Area of use: Papua New Guinea
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• WGS 84 - WGS84 - World Geodetic System 1984, used in GPS

  EPSG:4326
  Area of use: World
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• ETRS89

  EPSG:4258
  Area of use: Europe
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• ED50

  EPSG:4230 with transformation: 1133
  Area of use: Austria; Belgium; Denmark; Finland; Faroe islands; France; Germany (west); Gibraltar; Greece; Italy; Luxembourg; Netherlands; Norway; Portugal; Spain; Sweden; Switzerland. (accuracy: 10.0)
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