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Hyper-accurate clocks – the beating heart of Galileo
 
10 May 2007

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Galileo constellation
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Artist's impression of the complete Galileo constellation of thirty satellites orbiting in three planes

Credits: ESA - J. Huart
 
 
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Passive hydrogen maser under test
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Engineering model of the GIOVE-B Passive Hydrogen Maser under test in the Telecom and Navigation Systems Laboratory at ESTEC.

Credits: ESA
 
 
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GIOVE-B in orbit (artist's impression)
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Artist's impression of GIOVE-B in orbit

Credits: ESA - P. Carril
 
 
 GIOVE website
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GIOVE-A transmits first navigation messageGIOVE-A2 to secure the Galileo programmeGIOVE-A navigation signal available to users
Related links
Precision timekeeping for Europe – ESA’s vital contributionESA Electrical Engineering LaboratoriesGalileo website (European Commission)European GNSS AgencyEuropean Satellite Navigation IndustriesSurrey Satellite Technology - GIOVE A
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