• 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…

  • OFCOM GPS Repeaters

    In this statement Ofcom sets out its conclusions on the proposal to implement a light licence regime to authorise the use of Global Navigation Satellite System (GNSS) repeaters in the UK. Ofcom's proposals apply only to GNSS repeater systems operating in any of the following RNSS (-1-)

  • Resilient Navigation & Timing Foundation

    Much of the world depends upon satellite systems for precise navigation and timing services. These are exceptionally accurate and dependable, yet jamming, spoofing, and other forms of interference appear to be growing in frequency and severity. Neither are space systems immune to severe…

  • 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…