EPSG systems

EPSG:10626 ECML14 Grid

Projected system (Transverse Mercator) in use: UK - London to Edinburgh. 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.

System record
CodeEPSG:10626
NameECML14 Grid
TypeProjected system — Transverse Mercator
Area of use UK - London to Edinburgh
United Kingdom (UK) - on or related to the east coast mainline rail route from London (Kings Cross) via Newcastle to Edinburgh.
Bounds W -3,45° · S 51,45° · E 0,05° · N 56,10°
Countries United Kingdom
DatumECML14 Intermediate Reference Frame
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:10623 — ECML14-IRF
Unit metre (E east, N north)
Transformation to WGS 84 No simple transformation published (ellipsoid alone)
ScopeEngineering survey and topographic mapping for railway applications.

Projection parameters

ParameterValueUnit
Latitude of natural origin53.8degree
Longitude of natural origin-1.6degree
Scale factor at natural origin1unity
False easting108021.121metre
False northing263196.8721metre

proj4 definition

+proj=tmerc +lat_0=53.8 +lon_0=-1.6 +k=1 +x_0=108021.121 +y_0=263196.8721 +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:10626.

WKT (ESRI format, the .prj content)

PROJCS["ECML14_Grid",GEOGCS["GCS_ECML14-IRF",DATUM["ECML14_Intermediate_Reference_Frame",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",108021.121],PARAMETER["False_Northing",263196.8721],PARAMETER["Central_Meridian",-1.6],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",53.8],UNIT["Meter",1.0]]

All systems — United Kingdom

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.