EPSG:20033 MWC18-IRF
Geographic system in latitude and longitude, in use: UK - Manchester, Wigan and Chester. Datum, ellipsoid and transformation to WGS 84 below.
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:20033 |
|---|---|
| Name | MWC18-IRF |
| Type | Geographic system |
| Area of use |
UK - Manchester, Wigan and Chester United Kingdom (UK) - on or related to the rail route from Manchester via Wigan and Liverpool to Chester. |
| Bounds | W -3,15° · S 53,09° · E -2,10° · N 53,65° |
| Countries | United Kingdom |
| Datum | MWC18 Intermediate Reference Frame |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Engineering survey and topographic mapping for railway applications. |
proj4 definition
+proj=longlat +ellps=GRS80 +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:20033.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_MWC18-IRF",DATUM["MWC18_Intermediate_Reference_Frame",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]
Other systems — United Kingdom
- EPSG:10227MALS09 Grid
- EPSG:10229OxWo08-IRF
- EPSG:10235OxWo08 Grid
- EPSG:10237SYC20-IRF
- EPSG:10240SYC20 Grid
- EPSG:10272SMITB20-IRF
- EPSG:10275SMITB20 Grid
- EPSG:10277RBEPP12-IRF
- EPSG:10280RBEPP12 Grid
- EPSG:10468COV23-IRF
- EPSG:10471COV23 Grid
- EPSG:10623ECML14-IRF
- EPSG:10626ECML14 Grid
- EPSG:10628WC05-IRF
- EPSG:10632WC05 Grid
- EPSG:20002MWC18 Grid
- EPSG:23090ED50 / TM 0 N
- EPSG:27700OSGB36 / British National Grid
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.