International Service for the Geoid


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Services - Geoid Repository

Regional Models

ISG collects and disseminates
worldwide local and regional geoid models estimated by geodetic Institutions and researchers of many countries.  
More than 100 countries are represented, listed in alphabetic order or localized on a map.

Global Models

Global models are distributed by owner's scientific institution sites or listed by other dedicated IAG services, therefore in ISG website other links are suggested.

Submit new geoid

If you wish to send to ISG a new geoid please click here.