TAG: ESA

Galileo’s Two Newest Birds Undergoing Initial Checks

March 30, 2015By

The two newest Galileo satellites — dubbed Adam and Anastasia — launched Friday are now being checked out by the European Space Agency (ESA) and France’s CNES space agency from the CNES Toulouse centre. Following these initial checks, the two satellites will be handed over to the Galileo Control Centre in Oberpfaffenhofen, Germany, and the Galileo in-orbit testing facility in Redu,... read more

Counting Down to Galileo

March 17, 2015By

Galileo 7 and 8 launch on March 27. The Galileo satellite navigation system remains on track after successful in-orbit validation and the salvage for navigational testing of two satellites launched into an incorrect orbit. The mini-constellation of satellites in orbit plus their associated ground segment has allowed in-depth testing of the overall Galileo system, and the performance was good. Now... read more

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The System: ESA’s Second FOC Moves Up

February 1, 2015By
The fifth Galileo satellite is now pointing toward Earth.

By Tim Reynolds, GPS World European correspondent Director General Jean-Jacques Dordain of the European Space Agency (ESA) announced Jan. 16 that the second errant full-operational capability (FOC) satellite, launched in August, had started its orbital change maneuver the previous day. He anticipated that the orbital change would be completed and the final orbit — “albeit somewhat lower in height than the one... read more

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2, 4, 6, 8 — Who Do We Appreciate?

January 29, 2015By

Galileo, that’s who! For dogged determination and persistent pushing-forwardness in the face of adversity, obstacles, and the occasional technical difficulty. That there may be occasional confusion, as well, or mixed messages as to just what the future may bring, is certainly understandable. In fact, it is to be expected, given the circumstances. Let’s review the math. Two Two for the... read more

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Six Galileo Satellites Planned for 2015 Launch

January 20, 2015By

Six Galileo satellites are scheduled to be launched this year, European Space Agency (ESA) Director General Jean-Jacques Dordain said on January 16. “The launch of six satellites is scheduled for 2015. The [European] Commission will determine the terms of the launches at the end of January,” Dordain said at a press briefing. The satellites will be put into orbit by Ariane... read more

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Galileo Service Interruption Planned for System Upgrade

January 19, 2015By
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Galileo’s navigation messages will shortly stop being updated to enable the migration of a new release for Galileo’s ground mission segment, announced the European Space Agency. Although the actual navigation signals will continue to be transmitted, the generation and uplink of the navigation message — which renews the contents of the signal — will be interrupted during the last week of January... read more

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ESA International Summer School Set for July

April 29, 2014By

The ESA Summer School is scheduled for July 21-31, at the Campus of the Technical University of Ostrava, Czech Republic. The school provides attendees with a comprehensive overview of satellite navigation, starting from the various GNSS, the signals, the processing of the observations in a receiver, and finally determining the position-navigation-time (PNT) solution. Lab work will be carried out to... read more

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Get a Galileo Position Fix? ESA Wants to Give You a Prize

March 14, 2014By
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Did you get a fix on four Galileo satellites? Then there could be a certificate in it for you! ESA will recognize Galileo pioneers with commemorative certificates to the first 50 entities who document their achievement of a past or present fix. Details of how to apply are provided here. To mark the first anniversary of Galileo’s historic first satnav... read more