Editing Irish grid reference system (section)

==External links==
* [https://www.osi.ie/wp-content/uploads/2015/04/The-Irish-Grid-A-Description-of-the-Coordinate-Reference-System-Used-in-Ireland.pdf ''The Irish Grid - A Description of the Co-ordinate Reference System used in Ireland''] PDF (358kB) on the Irish Grid from OSi.
* [https://www.osi.ie/wp-content/uploads/2015/05/transformations_booklet.pdf PDF (221KB) detailing GPS to Irish Grid conversions]
* [https://web.archive.org/web/20120204092951/http://www.osni.gov.uk/2.1_the_irish_grid.pdf A detailed (42-page) PDF file including history and map of the Irish grid and its links to Britain]
* [https://web.archive.org/web/20070701073911/http://www.asprs.org/resources/grids/03-99-ireland.pdf A two-page article for the American Society for Photogrammetry and Remote Sensing summarising the above.]
* [https://web.archive.org/web/20090911204112/http://www.osi.ie/en/alist/reference-information.aspx?article=42177d93-831a-4c6c-8ebf-cef57b55cd93 History and overview of the system, from OSI]
* [https://www.osi.ie/services/geodetic-services/coordinate-converter/ OSI online coordinate converter tool]
* [http://www.gridreference.ie Clickable webmap that shows Irish grid references]
* [http://osgr.mister.red LatLong <> OSi Grid Ref] converts and presents in many formats, generates specific links to that location for several useful map web pages - 1840 - present. LatLong WSG84 <> GB, Ireland (inc NI) and Chanel Islands (30U) GR formats recognised. Distance measure for dog-leg routes & area calculations.

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[[Category:Geography of Ireland]]
[[Category:Maps from Ordnance Survey]]
[[Category:Geographic coordinate systems]]
[[Category:Land surveying systems]]
[[Category:Geodesy]]