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Mega-constellations of hundreds or even thousands of low-orbiting satellites offer a means of acquiring continuous coverage for telecommunications services or Earth observation. (Image: ESA)

ESA plans for low-orbiting navigation satellites

October 31, 2022

News from the European Space Agency (ESA) Satellite navigation is headed closer to users. ESA’s Navigation Directorate is […]

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This article is tagged with ESA, European Space Agency, FutureNAV, Galileo satellites, LEO, low Earth orbit, Navigation Directorate, PNT, satellite navigation, satnav signals and posted in GNSS, Latest News

Testbed vehicle by ESA's Navigation Lab. (Photo: ESA)

Tests begin of Galileo’s OSNMA signal authentication service

February 11, 2021

In a first for any satellite navigation system, Galileo has achieved the first position fix based on navigation […]

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This article is tagged with Anti-spoofing, authenticated data, authentication, encryption, ESTEC, European Space Agency, Galileo, malicious spoofing, Matthias Petschke, OS SIS ICD, OSNMA, Paul Verhoef, Rodrigo da Costa, satnav signals, signal in space and posted in Featured Stories, GNSS, Latest News

ESA microwave engineer Manuel Martín-Neira, inventor of the PARIS reflectometry concept. (Photo: ESA)

ESA provides new maps of Earth from reflected satnav

September 23, 2019

News from the European Space Agency Your phone or satnav receiver routinely picks up signals from navigation satellites […]

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This article is tagged with earth, ESA, European Space Agency, GNSS reflectometry, GNSS-RO, map, Paris, Passive Reflectometry and Interferometry System, satnav signals and posted in Featured Stories, Latest News, OEM