TM75 to ETRS89 (1)


Geodetic CRS: TM75

Datum: Geodetic Datum of 1965

Ellipsoid: Airy Modified 1849

Prime meridian: Greenwich

Data source: EPSG

Information source: Ordnance Survey of Great Britain, http://www.gps.gov.uk

Revision date: 2020-03-14

Scope: Recommended by OSi and OSNI for all horizontal CTs in the Republic and Northern Ireland.

Remarks: Derived at 183 points, accuracy 0.4m (95%). Use iteration for reverse transformation ETRS89 to TM75. Emulated by NTv2 method (code 6946) and used as approximate CT to WGS 84 (code 1042).

Method: General polynomial of degree 6

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

Description: (0,)

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