ESA BR-297 Birth of the European satellite navigation constellation

17 October 2011

The first element of Europe's global satellite navigation system is on its way: the four Galileo In-Orbit Validation (IOV) satellites that form the operational nucleus of the full constellation, launched two each by two Soyuz rockets.
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Developed in collaboration between ESA and the European Commission (EC), Galileo will provide high-quality positioning, navigation and timing services to users across the whole world as a civil-controlled service with guaranteed continuity of coverage.

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