The Galileo Time Interface - Disseminating UTC to Users

Sally Basker and John Laverty

Abstract:	This paper presents the results of a UK Department of Trade and Industry (DTI) study on the Galileo Time Interface (GTI) that was been carried out between November 2001 and May 2002 by Booz Allen Hamilton (BAH) for the UK National Physical Laboratory (NPL). The Galileo Time Interface (GTI) is the critical interface between Galileo and the European National Measurement Institutes (NMIs) that facilitates the delivery of Co- ordinated Universal Time (UTC) to users. The assessment approached the GTI from six directions: performance requirements; high-level system concept; institutional; technology and functional; operational; and commercial. This paper presents an overview of the results from each part of the assessment, illustrates key trade-offs, and presents the final concept.
Published in:	Proceedings of the 15th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2002) September 24 - 27, 2002 Oregon Convention Center Portland, OR
Pages:	1185 - 1194
Cite this article:	Basker, Sally, Laverty, John, "The Galileo Time Interface - Disseminating UTC to Users," Proceedings of the 15th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2002), Portland, OR, September 2002, pp. 1185-1194.
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