EPSG:9766 EWR2 Grid
Projected system (Transverse Mercator) in use: UK - Oxford to Bedford. The full definition below, and conversion in one click.
EPSG publishes no simple transformation to WGS 84 for this datum: conversion works on the ellipsoid alone and can be off by tens of metres.
| Code | EPSG:9766 |
|---|---|
| Name | EWR2 Grid |
| Type | Projected system — Transverse Mercator |
| Area of use |
UK - Oxford to Bedford United Kingdom (UK) - on or related to East West Rail (Phase 2) routes from Oxford to Bicester, Bletchley and Bedford, and from Claydon Junction to Aylesbury and Princes Risborough. |
| Bounds | W -1,43° · S 51,70° · E -0,36° · N 52,24° |
| Countries | United Kingdom |
| Datum | EWR2 Intermediate Reference Frame |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:9763 — EWR2-IRF |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Engineering survey and topographic mapping for railway applications. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 51.95 | degree |
| Longitude of natural origin | -0.9 | degree |
| Scale factor at natural origin | 1 | unity |
| False easting | 192519.9715 | metre |
| False northing | 146942.6806 | metre |
proj4 definition
+proj=tmerc +lat_0=51.95 +lon_0=-0.9 +k=1 +x_0=192519.9715 +y_0=146942.6806 +ellps=GRS80 +units=m +no_defs
Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:9766.
WKT (ESRI format, the .prj content)
PROJCS["EWR2_Grid",GEOGCS["GCS_EWR2-IRF",DATUM["EWR2_Intermediate_Reference_Frame",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",192519.9715],PARAMETER["False_Northing",146942.6806],PARAMETER["Central_Meridian",-0.9],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",51.95],UNIT["Meter",1.0]]
Other systems — United Kingdom
- EPSG:9456GBK19 Grid
- EPSG:9739EOS21-IRF
- EPSG:9741EOS21 Grid
- EPSG:9758ECML14_NB-IRF
- EPSG:9761ECML14_NB Grid
- EPSG:9763EWR2-IRF
- EPSG:9866MRH21-IRF
- EPSG:9869MRH21 Grid
- EPSG:9871MOLDOR11-IRF
- EPSG:9880MOLDOR11 Grid
- EPSG:9939EBBWV14-IRF
- EPSG:9943EBBWV14 Grid
- EPSG:9964HULLEE13-IRF
- EPSG:9967HULLEE13 Grid
- EPSG:9969SCM22-IRF
- EPSG:9972SCM22 Grid
- EPSG:9974FNL22-IRF
- EPSG:9977FNL22 Grid
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.