Geospatial Sciences: Geodetic Control Data

Welcome to the NGA Geospatial Sciences control data.

Data include Doppler and GPS stations along with gravity control stations.


If you plan to reoccupy a station, you will need the associated station description. Send your requests for station descriptions, including the station name, number, and state or country, to:

Information sought

The Office of Geomatics would like to receive any survey data from new surveys or existing records, as well as descriptions and reports describing new and/or updated data. We would also like to receive any information on destroyed stations, needed modifications to our station descriptions, or discrepancies in our data. Additions or changes should be sent to:


To request data contact us via



Point of Contact:Office of Geomatics
Phone: (314) 676-9152, DSN 846-9152

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