EPSG:4300 TM75
Geographic system in latitude and longitude, in use: Europe - Ireland (Republic and Ulster) - onshore. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4300 |
|---|---|
| Name | TM75 |
| Type | Geographic system |
| Area of use |
Europe - Ireland (Republic and Ulster) - onshore Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore. |
| Bounds | W -10,56° · S 51,39° · E -5,34° · N 55,43° |
| Countries | Ireland, United Kingdom |
| Datum | Geodetic Datum of 1965 |
| Ellipsoid | Airy Modified 1849 a = 6377340.189 m · 1/f = 299.3249646 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | TM75 to WGS 84 (2) (EPSG:1954) — accuracy 1 m |
| Scope | Basis for topographic mapping. |
proj4 definition
+proj=longlat +a=6377340.189 +rf=299.3249646 +towgs84=482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4300.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_TM75",DATUM["D_TM75",SPHEROID["Airy_Modified",6377340.189,299.3249646]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — Ireland
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.