Galileo
ESA's documentary traces Galileo and EGNOS from the 1990s, when Europe sought independence from GPS, through the GIOVE-A and GIOVE-B test satellites and the first operational launches.
Key moments
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Watch this moment · 2:26
Selective availability and the push for European navigation
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Watch this moment · 10:56
EGNOS paves the way for Galileo
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Watch this moment · 18:15
GIOVE-A launched, 28 December 2005
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Watch this moment · 20:00
First signals from GIOVE-A
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Watch this moment · 21:28
Atomic clocks explained
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Watch this moment · 29:02
First operational launch from French Guiana
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Watch this moment · 32:05
First position fix with four satellites
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Watch this moment · 37:00
Initial services declared
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Watch this moment · 39:24
Galileo services today
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Watch this moment · 42:53
Second generation satellites
Videos about this mission
The videos, in date order
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October 2026
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Galileo: How Europe Built Its Own Satellite Navigation System
European Space Agency, ESA
Watch videoDates are when each video was first published on YouTube.
Sources: The facts and written text on this page come from the 1 video on this page, by European Space Agency, ESA.




