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Regional Reference Frame Sub-Commission for Europe
Regional Reference Frame Sub-Commission for Europe (EUREF) is the sub-commission of the International Association of Geodesy (IAG), part of the Sub-Commission 1.3 (''Regional Reference Frames''), under IAG Commission 1 (''Reference Frames'').
EUREF deals with the definition, realization and maintenance of the European Geodetic Reference Frame. The goal of EUREF is to establish a unified geodetic datum (ETRS89) and a consistent network of reference stations (EPN) throughout Europe. EUREF was founded in 1987 at the IUGG General Assembly held in Vancouver.
==Mission==
EUREF is driven by a voluntary agreement of scientific organisations and national geodetic/geographic agencies of the member countries, who are willing to replace their legacy national geodetic datums with a unified European Reference Frame and join their national networks of reference stations into a common European network. The mandate of EUREF is to foster and coordinate the activities of the member countries, which are financed and managed on the national level. EUREF realizes and maintains ETRS89, the European geodetic datum, which is to become a single datum used for geodetic applications in all the member countries. A key instrument in maintaining ETRS89 is the EUREF Permanent Network (EPN), a network of reference stations which covers the European continent. EUREF is also working on the European Vertical Reference System (EVRS), which goal is to determine a unified dm-level accurate geoid model and gravity-referenced height system throughout Europe. EUREF coordinates its activities with EuroGeographics.
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