collective authors
Published on November 04, 2020

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White paper: is this the time and place to finally back up GNSS?

The world relies on GNSS for Positioning, Navigation and Timing (PNT) services that underpin emergency response systems, 4G/5G mobile networks, communication and broadcast systems, transport, high speed trading at the stock exchange and even the energy grid.

With governments sitting up and taking notice of this issue, and estimated costs of GNSS failure amounting to billions … isn’t it time we sorted out a back-up?

This new White Paper from our navigation experts focusses on aviation use of GNSS. It sets out the case for modernisation, explores the pros and cons of the available options, and proposes next steps.


  • GNSS & NAVAID vulnerabilities
  • Why haven’t we fixed this?
  • What are the potential solutions?
  • Choosing an A-PNT solution: DME, LDACS-NAV, WAM-TISb, SSR mode N, eLORAN
  • The remaining questions


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