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Published on 8 January 2024


The geoid is a selected equipotential surface of the earth's gravity field and serves as the reference surface for height determination. It can be considered as an idealised continuation of the mean surface of the oceans beneath the continents. 

Federal Office of Topography swisstopo

Division Geodesy and Federal Directorate of Cadastral Surveying
Seftigenstrasse 264
3084 Wabern