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European Space Agency

The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.

European Space Agency – Navipedia

The reference for Global Navigation Satellite Systems NAVIPEDIA is an initiative of the European Space Agency aiming at becoming the reference for Global Navigation Satellite Systems general knowledge on the Internet. It is conceived as a collaborative GNSS encyclopaedia with the objective to foster the transfer of knowledge in the field of GNSS ESA Navipedia

US Coastguard Navigation Centre

US Department of Homeland Security – United States Coast Guard The Navigation Center operates services and provides information that enhances the safety, security, and efficiency of US waterways and civil GPS users.  These services include: Operating the Nationwide Differential GPS System Operating the Long Range Identification and Tracking business helpdesk Operating the Nationwide Automatic Identification …

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