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TAG: The System

Image: GPS World

The System: GLONASS Heaves Three Aloft

January 1, 2010

The Russian space agency Roscosmos launched a venerable Proton rocket carrying three GLONASS-M satellites into orbit on December 14. […]


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The System: Galileo Removes Manufacturing Barrier

December 1, 2009

With final satellite construction bids pending as this magazine goes to press, the Galileo program clarified a recent […]


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The System: Galileo Slips, EGNOS Operates

November 1, 2009

Four Galileo in-orbit validation (IOV) satellites scheduled to launch next year have already missed their first pad date.The […]


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The System: Glitches and Vulnerabilities

October 1, 2009

A range of unrelated events in September show that GPS, the world’s preeminent GNSS, remains a work in […]


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The System: Compass Awry

August 1, 2009

Compass Awry One of the satellites in the Chinese domestic satellite navigation system, Beidou, is no longer in […]


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The System — September 2007

September 1, 2007

AEP on the Ground; Galileo Tests, Rescue Role; DOT Weighs NDGPS Future, Asks Public Input; The Robots of DARPA


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The System — January 2007

January 1, 2007

Galileo Guess Who; Old Block IIA Sat Reactivated for Tests; GPS III Faucet Opened


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