• ED50 to WGS 84 (39)

  EPSG:1853
  Area of use: Ireland - offshore - Corrib and Errigal fields.
  

• ED50 to WGS 84 (6)

  EPSG:1138
  Area of use: Channel islands
  

• ETRS89 to Belfast height (2)

  EPSG:7958
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• Poolbeg height (m) to Belfast height (1)

  EPSG:7966
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• ETRS89 to ETRS89 + Belfast height (2)

  EPSG:9592
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• ETRS89 to BI height (2)

  EPSG:9916
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• ETRS89 to ETRS89 + BI height (2)

  EPSG:9917
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• OSNI 1952 to WGS 84 (1)

  EPSG:1955
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• ETRS89 to Belfast height (1)

  EPSG:5334
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• Belfast height to Malin Head height (1)

  EPSG:5452
  Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• ED50 to WGS 84 (18)

  EPSG:1311
  Area of use: Denmark
  

• PNG94 to WGS 84 (1)

  EPSG:5553
  Area of use: Papua New Guinea
  

• ETRS89 to WGS 84 (1)

  EPSG:1149
  Area of use: Europe
  

• ITRF2005 to ETRF2005 (1)

  EPSG:5900
  Area of use: Europe
  

• ITRF89 to ETRF89 (1)

  EPSG:7932
  Area of use: Europe
  

• ITRF90 to ETRF90 (1)

  EPSG:7933
  Area of use: Europe
  

• ITRF91 to ETRF91 (1)

  EPSG:7934
  Area of use: Europe
  

• ITRF92 to ETRF92 (1)

  EPSG:7935
  Area of use: Europe
  

• ITRF93 to ETRF93 (1)

  EPSG:7936
  Area of use: Europe
  

• ITRF94 to ETRF94 (1)

  EPSG:7937
  Area of use: Europe
  

• ITRF96 to ETRF96 (1)

  EPSG:7938
  Area of use: Europe
  

• ITRF97 to ETRF97 (1)

  EPSG:7939
  Area of use: Europe
  

• ITRF2000 to ETRF2000 (1)

  EPSG:7940
  Area of use: Europe
  

• ITRF2000 to ETRF2000 (2)

  EPSG:7941
  Area of use: Europe
  

• ITRF89 to ETRF2000 (1)

  EPSG:7942
  Area of use: Europe
  

• ITRF90 to ETRF2000 (1)

  EPSG:7943
  Area of use: Europe
  

• ITRF91 to ETRF2000 (1)

  EPSG:7944
  Area of use: Europe
  

• ITRF92 to ETRF2000 (1)

  EPSG:7945
  Area of use: Europe
  

• ITRF93 to ETRF2000 (1)

  EPSG:7946
  Area of use: Europe
  

• ITRF94 to ETRF2000 (1)

  EPSG:7947
  Area of use: Europe
  

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