EPSG:4188 OSNI 1952
Geographic system in latitude and longitude, in use: UK - Northern Ireland - onshore. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4188 |
|---|---|
| Name | OSNI 1952 |
| Type | Geographic system |
| Area of use |
UK - Northern Ireland - onshore United Kingdom (UK) - Northern Ireland (Ulster) - onshore. |
| Bounds | W -8,18° · S 53,96° · E -5,34° · N 55,36° |
| Countries | United Kingdom |
| Datum | OSNI 1952 |
| Ellipsoid | Airy 1830 a = 6377563.396 m · 1/f = 299.3249646 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | OSNI 1952 to WGS 84 (1) (EPSG:1955) — accuracy 1 m |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +a=6377563.3959999997 +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:4188.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_OSNI_1952",DATUM["D_OSNI_1952",SPHEROID["Airy_1830",6377563.396,299.3249646]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — United Kingdom
- EPSG:2157IRENET95 / Irish Transverse Mercator
- EPSG:2158IRENET95 / UTM zone 29N
- EPSG:4173IRENET95
- EPSG:4277OSGB36
- EPSG:4278OSGB70
- EPSG:4279OS(SN)80
- EPSG:4299TM65
- EPSG:4300TM75
- EPSG:9299HS2-IRF
- EPSG:9300HS2 Survey Grid
- EPSG:9364TPEN11-IRF
- EPSG:9367TPEN11 Grid
- EPSG:9372MML07-IRF
- EPSG:9373MML07 Grid
- EPSG:9384AbInvA96_2020-IRF
- EPSG:9387AbInvA96_2020 Grid
- EPSG:9453GBK19-IRF
- EPSG:9456GBK19 Grid
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.