Description: The primary purpose of the EPN is to provide access to the European Terrestrial Reference System 89 (ETRS89) which is the standard precise GNSS coordinate system throughout Europe. Supported by EuroGeographics and endorsed by the INSPIRE Directive 2007/2/EC, the ETRS89 forms the backbone for geolocation data on the European territory, both on a national as on an international level.
euref permanent gnss network european terrestrial reference etrs (1)
The EUREF Permanent GNSS Network consists of
The network is operated under the umbrella of the IAG (International Association of Geodesy) Regional Reference Frame sub-commission for Europe, EUREF .
All contributions to the EPN are provided on a voluntary basis, with more than 100 European agencies/universities involved. The EPN operates under well-defined international standards and guidelines which are subscribed by its contributors. These guidelines guarantee the long-term quality of the EPN products.