Testing Galileo for space

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Galileo has grown to become Europe’s single largest satellite constellation, and the world’s most accurate satellite navigation system, delivering metre-level positioning to more than 3.5 billion users around the globe.

It all began at ESTEC’s Test Centre, Europe’s largest satellite testing facility. This is where the very first positioning fix took place in March 2013, after the launch into orbit of the initial four IOV satellites. Following that, all 34 Galileo Full Operational Capability satellites also passed by ESTEC for their pre-flight testing.
This 3000 sq. m environmentally-controlled complex, operated and managed by European Test Services for ESA, hosts an array of test equipment able to simulate all aspects of spaceflight, from the noise and vibration of launch to the vacuum and temperature extremes of Earth orbit.
The production line at manufacturer OHB in Germany completed one new satellite every six weeks. After integration each satellite was then shipped to the ESTEC Test Centre for a three-month test campaign, after which it would be accepted by the Agency and declared ready for flight. Some facilities have had to be adapted specifically for Galileo, and the ESTEC Test Centre had to institute new security protocols because this was the first time that satellites with security restrictions were being tested at the site.
Today there are 28 of these Galileo First Generation satellites in service, with 10 more due to be launched in the next years. Upgraded Galileo Second Generation satellites are under development and will follow them into orbit later this decade.
Members of ESA’s Galileo team and ETS look back on this massive testing effort that established Galileo was ready for space.

*About Galileo* :
Galileo is managed and funded by the European Union. The European Commission, ESA and EUSPA (the EU Agency for the Space Programme) have signed an agreement by which ESA acts as design authority and system development prime on behalf of the Commission and EUSPA as the exploitation and operation manager of Galileo/EGNOS.

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12 Comments

  1. The year is 3002023:
    ESA astronaut XYΣΣÅΞ boards their spacecraft riding on top the Arianne 13092.
    The mission is simple: rendezvous with the Galileo Satellite, stick a finger in the clock and advance the second hand by one position.

  2. Hello Xavier, not only very busy working for ESA, but also a very enthusiastic buddy at Running Blind The Hague, guiding visually impaired runners. Top guy!

  3. Amazing programme! 🇪🇺 Quick question: due to the increasing involvement of space as one of the future battlefields, will Galileo serve also potential European military scopes?

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