EPSG systems

EPSG:9066 ETRF97

Geographic system in latitude and longitude, in use: Europe - ETRF. 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.

System record
CodeEPSG:9066
NameETRF97
TypeGeographic system
Area of use Europe - ETRF
Europe - onshore and offshore - ETRF extent - approximately 16°W to 33°E and 33°N to 84°N.
Bounds W -16,10° · S 33,26° · E 38,01° · N 84,73°
Countries World
DatumEuropean Terrestrial Reference Frame 1997
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)
ScopeGeodesy.

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:9066.

WKT (ESRI format, the .prj content)

GEOGCS["ETRF97",DATUM["European_Terrestrial_Reference_Frame_1997",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — World

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