EPSG:9373 MML07 Grid
Projected system (Transverse Mercator) in use: UK - London to Sheffield. 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:9373 |
|---|---|
| Name | MML07 Grid |
| Type | Projected system — Transverse Mercator |
| Area of use |
UK - London to Sheffield United Kingdom (UK) - on or related to the Midland Mainline rail route from Sheffield to London. |
| Bounds | W -1,89° · S 51,46° · E 0,16° · N 53,42° |
| Countries | United Kingdom |
| Datum | MML07 Intermediate Reference Frame |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:9372 — MML07-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 | 52.45 | degree |
| Longitude of natural origin | -0.85 | degree |
| Scale factor at natural origin | 1 | unity |
| False easting | 49350.157 | metre |
| False northing | 108398.212 | metre |
proj4 definition
+proj=tmerc +lat_0=52.45 +lon_0=-0.85 +k=1 +x_0=49350.157 +y_0=108398.212 +ellps=GRS80 +units=m +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:9373.
WKT (ESRI format, the .prj content)
PROJCS["MML07_Grid",GEOGCS["GCS_MML07-IRF",DATUM["MML07_Intermediate_Reference_Frame",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",49350.157],PARAMETER["False_Northing",108398.212],PARAMETER["Central_Meridian",-0.85],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",52.45],UNIT["Meter",1.0]]Other systems — United Kingdom
- EPSG:9299HS2-IRF
- EPSG:9300HS2 Survey Grid
- EPSG:9364TPEN11-IRF
- EPSG:9367TPEN11 Grid
- EPSG:9372MML07-IRF
- EPSG:9384AbInvA96_2020-IRF
- EPSG:9387AbInvA96_2020 Grid
- EPSG:9453GBK19-IRF
- EPSG:9456GBK19 Grid
- EPSG:9739EOS21-IRF
- EPSG:9741EOS21 Grid
- EPSG:9758ECML14_NB-IRF
- EPSG:9761ECML14_NB Grid
- EPSG:9763EWR2-IRF
- EPSG:9766EWR2 Grid
- EPSG:9866MRH21-IRF
- EPSG:9869MRH21 Grid
- EPSG:9871MOLDOR11-IRF
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.