• Poolbeg height to Malin Head height (1)

  EPSG:5448
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• ETRS89 to ODN Orkney height (2)

  EPSG:7712
  Area of use: United Kingdom (UK) - Great Britain - Scotland - Orkney Islands onshore.
  

• ETRS89 to Lerwick height (2)

  EPSG:7714
  Area of use: United Kingdom (UK) - Great Britain - Scotland - Shetland Islands onshore.
  

• ETRS89 to Stornoway height (2)

  EPSG:7715
  Area of use: United Kingdom (UK) - Great Britain - Scotland - Outer Hebrides onshore.
  

• ETRS89 to Malin Head height (2)

  EPSG:7719
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• ETRS89 to Malin Head height (2)

  EPSG:7959
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• Poolbeg height (ft(Br36)) to Poolbeg height (m)

  EPSG:7963
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• IRENET95 to ETRS89 (1)

  EPSG:1611
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• TM65 to ETRS89 (1)

  EPSG:1640
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• IRENET95 to WGS 84 (1)

  EPSG:8580
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• ETRS89 to ETRS89 + Stornoway height (2)

  EPSG:9584
  Area of use: United Kingdom (UK) - Great Britain - Scotland - Outer Hebrides onshore.
  

• ETRS89 to ETRS89 + ODN Orkney height (2)

  EPSG:9586
  Area of use: United Kingdom (UK) - Great Britain - Scotland - Orkney Islands onshore.
  

• ETRS89 to ETRS89 + Lerwick height (2)

  EPSG:9589
  Area of use: United Kingdom (UK) - Great Britain - Scotland - Shetland Islands onshore.
  

• ETRS89 to ETRS89 + Malin Head height (2)

  EPSG:9591
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• Irish National Grid

  EPSG:19908
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• IRENET95 geocentric to geog3D

  EPSG:15512
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• IRENET95 geog3D to geog2D

  EPSG:15513
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• ETRS89 to Malin Head height (1)

  EPSG:10028
  Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
  

• ETRS89 to St. Marys height (2)

  EPSG:7716
  Area of use: United Kingdom (UK) - Great Britain - England - Isles of Scilly onshore.
  

• ETRS89 to ETRS89 + St. Marys height (2)

  EPSG:9585
  Area of use: United Kingdom (UK) - Great Britain - England - Isles of Scilly onshore.
  

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