TAG: ESA

Galileo clock anomalies under investigation

January 19, 2017By
Rubidium atomic clock, or RAF.

The European Space Agency today issued a press release addressing the Galileo clock failures reported Wednesday. GPS World Innovation editor Richard Langley provided the following summary of the satellites and clocks involved, based on information we have received to date. 5 satellites affected: 3 IOVs, 2 FOCs Total of 10 failures; 1 fixed; so 9 continuing failures 5 masers on... read more

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Galileo declares Initial Services

December 15, 2016By
Maroš Šefčovič, à gauche, et Elżbieta Bieńkowska

At a Dec. 15 ceremony in Brussels titled “Galileo Goes Live,” two high officials of the European Commission issued the Galileo Initial Services Declaration. The Declaration of Initial Services means that the Galileo satellites and ground infrastructure are now operationally ready. These signals will be highly accurate but not available all the time, since the constellation is not yet complete... read more

Directions 2017: The year of Galileo

December 9, 2016By
paul-verhoef-galileo-o

I write at an especially exciting moment for the Galileo satellite navigation system, as two flagship European programmes combine for the very first time. Mid-November will see the very first Galileo launch using an Ariane 5 launcher from Europe’s Spaceport in French Guiana, in place of the Soyuz that has served the constellation up until now. Four instead of two... read more

EGNOS awarded by aerospace academy

December 5, 2016By
receiving_medal_egnos-team-w

News from the European Space Agency The multi-agency team behind the ESA-designed EGNOS augmentation system — making it possible for European aircraft to safely rely on satnav signals — has received a prestigious award from France’s national aerospace academy. As our region’s own satellite-based augmentation system (SBAS), the European Geostationary Navigation Overlay Service (EGNOS) improves the precision of GPS signals over... read more

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Europe EGNOS technology sold to South Korea

November 30, 2016By
EGNOS is Europe’s first venture into satellite navigation. EGNOS broadcasts augmented information through a trio of geostationary satellites linked to a network of monitoring ground stations, to sharpen the accuracy and reliability of GPS signals across the continent.

News from the European Space Agency Technology developed as part of Europe’s satellite navigation-augmenting EGNOS system has been sold to South Korea to serve its national equivalent system. Thales Alenia Space has signed a contract with South Korea’s space agency, the Korea Aerospace Research Institute, to supply ground infrastructure for the Korea Augmentation Satellite System (KASS) on behalf of the... read more

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Arianespace ready to roll out 4-satellite launcher for Galileo

November 14, 2016By
The protective fairing is lowered onto the four Galileo satellites and their dispenser resting atop an Ariane 5 launcher. The fairing was placed on Nov. 3. (Photo: ESA)

Arianespace has entered the final phase of preparations for its next Ariane 5 launch — the company’s first heavy-lift mission to orbit satellites for Europe’s Galileo navigation constellation. During activity in the Spaceport’s Final Assembly Building, Arianespace “topped off” the Ariane 5 launcher with installation of the payload fairing over the four Galileo spacecraft and their payload dispenser. With Ariane 5... read more

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Rocket readied for 4 at once for Galileo

October 3, 2016By

The first rocket to loft four global positioning satellites at once has begun its build-up at the European Space Agency’s Spaceport in French Guiana.  The milestone mission, scheduled for Nov. 17, will carry four Galileo satellites into orbit. This launcher  began the integration process with the cryogenic core stage’s positioning over a mobile launch pad, followed by integration of the... read more

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Demonstration tests positioning in the far north

June 23, 2016By
Test_vessel-O

A sea-based test is demonstrating the potential of extending satnav augmentation coverage into north polar regions, offering a safety-of-life standard of navigation performance to users including shipping or aircraft in flight. read more

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