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National Physical Lab and ESA developing optical PNT systems for space

The Engineer - NPL working with ESA to SWAP all the clocks

The National Physical Laboratory is working with the European Space Agency to develop portable optical atomic clocks for the next generation of Position, Navigation and Timing (PNT) satellites.

NPL joins ESA and UKSA to develop next-gen PNT technologies

How Galileo performed its authenticated positioning fix - GPS World

How Galileo performed its authenticated positioning fix News from the European Space Agency (ESA) In a first for any satellite navigation system, Galileo has achieved a positioning fix based on open-service navigation signals carrying authenticated data. Intended as a way to combat malicious spoofing of satnav signals, this authentication testing began at ESA’s Navigation Laboratory the same site where the very first Galileo positioning fix took place back in 2013. These historic first authenticated signal position, velocity and timing fixes were made using a total of eight Galileo satellites for around two hours on Nov. 18. The tests represent a first proof of concept for an eventual operational service offering positioning with authenticated data to users.

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