Irish grid reference system

E86697

geodetic coordinate system map grid national grid reference system

The Irish grid reference system is a national coordinate framework used to map and locate positions across the island of Ireland with standardized alphanumeric grid references.

Jump to: Surface forms Statements Referenced by

Observed surface forms (1)

Surface form	Occurrences
Irish Grid	1

Statements (48)

Predicate	Object
instanceOf	geodetic coordinate system ⓘ map grid ⓘ national grid reference system ⓘ
appliesTo	island of Ireland ⓘ
axisOrientation	eastings ⓘ northings ⓘ
basedOn	Airy Modified ellipsoid ⓘ surface form: Airy Modified 1849 ellipsoid
coexistsWith	Irish Transverse Mercator ⓘ
coordinateFormat	alphanumeric grid reference ⓘ eastings and northings ⓘ
coordinateReferenceDimension	2D ⓘ
coordinateReferenceType	projected coordinate system ⓘ
coordinateUnits	metres ⓘ
country	Ireland ⓘ
covers	Northern Ireland ⓘ Ireland ⓘ surface form: Republic of Ireland
datum	Airy Modified ellipsoid ⓘ
distinguishedFrom	Irish Transverse Mercator ⓘ surface form: Irish Transverse Mercator coordinate system
hasAbbreviation	Irish grid reference system self-linksurface differs ⓘ surface form: Irish Grid
hasFeature	grid letters omitted over the Atlantic to the west ⓘ lettered 100 km grid squares ⓘ numeric eastings and northings within grid squares ⓘ origin located southwest of Ireland ⓘ standardized national reference frame ⓘ
maintainedBy	national mapping agencies of Ireland ⓘ
mapProjectionZone	single national grid zone ⓘ
projection	Transverse Mercator projection ⓘ
purpose	to uniquely identify locations in Ireland ⓘ
referenceSurface	mean sea level ⓘ
region	Europe ⓘ
relatedTo	British National Grid ⓘ
replacedBy	Irish Transverse Mercator ⓘ
spatialReferenceScope	national ⓘ
standardizedBy	national cartographic standards in Ireland ⓘ
timePeriod	20th century ⓘ
usedBy	Ordnance Survey Ireland headquarters ⓘ surface form: Ordnance Survey Ireland Ordnance Survey of Northern Ireland ⓘ
usedFor	emergency services location referencing ⓘ environmental mapping ⓘ geocoding addresses in Ireland ⓘ infrastructure planning ⓘ land surveying ⓘ military mapping in Ireland ⓘ navigation ⓘ property mapping ⓘ topographic mapping ⓘ
usedIn	digital mapping systems ⓘ paper maps ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Cathedral Quarter → coordinateSystem → Irish grid reference system ⓘ

Irish grid reference system → hasAbbreviation → Irish grid reference system self-linksurface differs ⓘ

this entity surface form: Irish Grid