TAG: In-Orbit Validation

When in Rome…Check Galileo’s Performance

February 20, 2015By
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The Thales Alenia Space plant in the eastern suburbs of Rome is home to a facility that provides a troubleshooting platform for the Galileo ground network and an assessment of the performance of the satnav constellation. read more

Four Galileo Satellites Now at ESTEC, Production Continues

January 2, 2015By
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The latest Galileo satellite has arrived at ESTEC and is undergoing a full checkout to prove its readiness for space. The satellite was carried by lorry from its manufacturer in Germany, cocooned within an environmentally controlled container. It arrived inside ESTEC's cleanroom environment on Dec. 18. read more

An Early Gift from — and for — Galileo

December 19, 2014By

They said it wasn’t possible — well to be frank, I said it wasn’t possible – but one of the two “misplaced” Galileo satellites, plucky Doresa, has delivered an early Christmas present to the European GNSS community by providing a first fix on Tuesday, December 9. The signal was received at the European Space Agency’s (ESA’s) technical centre in Noordwijk,... read more

Arianespace, ESA Sign Contract for New Galileo Launches

August 22, 2014By
The contract for Arianespace’s three Ariane 5 launches to orbit a total of 12 Galileo FOC satellites was signed at the Guiana Space Center by Chairman and CEO Stéphane Israël (seated, at left) and Didier Faivre, ESA director of the Galileo Program and Navigation-related Activities. Joining them were ESA Director General Jean-Jacques Dordain and Daniel Calleja Crespo, director general for Enterprise and Industry, European Commission.

Arianespace and the European Space Agency (ESA), acting on behalf of the European Commission, have signed a contract for three launch services with Ariane 5 ES to step up deployment of Galileo satellites. With this new launch contract and thanks to the performance of Ariane 5 ES, a total of 12 Galileo FOC (Full Operational Capability) satellites will be launched... read more

Galileo Satellites Encapsulated for Launch

August 19, 2014By

UDPATE: After a one-day postponement, The fifth and sixth Galileo satellites were successfully launched and deployed. UPDATE: Arianespace has decided to postpone the launch of Soyuz flight VS09 carrying Europe’s fifth and sixth Galileo satellites. This is due to unfavorable weather conditions over the Guiana Space Centre. Another launch date will be decided depending on the evolution of the weather conditions... read more

Two More Galileo Satellites Scheduled for August 21 Launch

August 14, 2014By
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UDPATE: After a one-day postponement, The fifth and sixth Galileo satellites were successfully launched and deployed. UPDATE: Arianespace has decided to postpone the launch of Soyuz flight VS09 carrying Europe’s fifth and sixth Galileo satellites, because of unfavorable weather conditions over the Guiana Space Centre. Another launch date will be decided depending on the evolution of the weather conditions in... read more

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Galileo’s Troubled E20 Satellite Is Alive

August 7, 2014By

The troubled Galileo E20 satellite restarted E1 signal transmission Wednesday evening, August 6. Galileo E20, also known as GSAT0104, the fourth in-orbit validation (IOV) satellite, has been set “unavailable until further notice” according to the European GNSS Service Centre because of a sudden, unexpected loss of power on May 27. Based on a selected set of IGS MGEX stations and all CONGO stations, the... read more

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Power Loss Created Trouble Aboard Galileo Satellite

July 8, 2014By and
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In an update to our July 2 story (recapped below), correspondent Peter de Selding wrote in Space News on July 3 that the trouble aboard the fourth in-orbit (IOV) Galileo satellite arose from a sudden, unexpected loss of power. The power outage flashed on May 27, shutting down the satellite’s E1 signal. The signal “re-established itself almost immediately. But as... read more