The First Months of the Galileo Timekeeping and Time Dissemination: The Role of the Time Validation Facility

I. Sesia, G. Signorile, G. Cerretto, E. Cantoni, P. Tavella, A. Cernigliaro, A. Samperi

Abstract:	In the last 15 years, the Italian Metrology Institute (INRIM) has been deeply involved in the development of the Galileo project, from the early study phase through all the experimental phases. INRIM designed and developed the Time Validation Facility (TVF), a key timing element of the ongoing Galileo In Orbit Validation (IOV) phase. This paper presents the TVF, whose role in the IOV phase is the validation of all the timing aspects including space and ground clocks, the time dissemination through the navigation message, and the synchronization and steering of the Galileo System Time versus UTC.
Published in:	Proceedings of the 45th Annual Precise Time and Time Interval Systems and Applications Meeting December 2 - 5, 2013 Hyatt Regency Bellevue Bellevue, Washington
Pages:	239 - 243
Cite this article:	Sesia, I., Signorile, G., Cerretto, G., Cantoni, E., Tavella, P., Cernigliaro, A., Samperi, A., "The First Months of the Galileo Timekeeping and Time Dissemination: The Role of the Time Validation Facility," Proceedings of the 45th Annual Precise Time and Time Interval Systems and Applications Meeting, Bellevue, Washington, December 2013, pp. 239-243.
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