EPSG systems

EPSG:10249 S34S-IRF

Geographic system in latitude and longitude, in use: Denmark - onshore Zealand and Lolland. 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.

Convert coordinates Open in Carte Download the .prj

System record
Code	EPSG:10249
Name	S34S-IRF
Type	Geographic system
Area of use	Denmark - onshore Zealand and Lolland Denmark - Zealand and Lolland (onshore).
Bounds	W 10,79° · S 54,51° · E 12,87° · N 56,79°
Countries	Denmark
Datum	System 34 Sjaelland Intermediate Datum
Ellipsoid	International 1924 a = 6378388 m · 1/f = 297
Unit	degree (Lat north, Lon east)
Transformation to WGS 84	No simple transformation published (ellipsoid alone)
Scope	Cadastre.

proj4 definition

+proj=longlat +ellps=intl +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:10249.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_S34S-IRF",DATUM["System_34_Sjaelland_Intermediate_Datum",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Denmark

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

proj4 definition

WKT (ESRI format, the .prj content)

Other systems — Denmark