Irish grid reference system

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21	TRIGONOMETRICAL STATION SUMMARY STATION NO. : 416 Add to Reading List Source URL: www.geodetic.gov.hk Language: English - Date: 2012-11-23 00:27:32 Surveying Geography of the United Kingdom World Geodetic System Datum Triangulation station Geographic coordinate system Grid reference Ordnance Survey National Grid Irish Transverse Mercator Geodesy Cartography Navigation
22	TRIGONOMETRICAL STATION SUMMARY STATION NO. : 422 Add to Reading List Source URL: www.geodetic.gov.hk Language: English - Date: 2012-11-23 00:27:34 Surveying Geography of the United Kingdom World Geodetic System Datum Triangulation station Geographic coordinate system Grid reference Ordnance Survey National Grid Irish Transverse Mercator Geodesy Cartography Navigation
23	The Irish Grid A Description of the Co-ordinate Reference System Add to Reading List Source URL: maps.osni.gov.uk Language: English - Date: 2011-08-05 06:38:57 Geophysics Latitude Figure of the Earth Ordnance Survey National Grid Reference ellipsoid Vertical deflection Map projection Datum Geographic coordinate system Geodesy Cartography Measurement
24	Making maps compatible with GPS Transformations between The Irish Grid Add to Reading List Source URL: osi.ie Language: English - Date: 2012-03-27 06:40:34 Measurement Surveying GPS Geodetic system European Terrestrial Reference System World Geodetic System Datum Latitude Helmert transformation Geodesy Cartography Navigation