Time and Frequency Activities at the National Physical Laboratory

J.A. Davis, P.B. Whibberley, R. Hlavac, P.W. Stacey, D. Henderson, K. Szymaniec, W. Chalupczak, J.R. Laverty

Abstract:	The Time and Frequency group at the National Physical Laboratory (NPL) maintains an active program of work in time and frequency metrology. This paper provides an overview of the group’s principal activities. These include the maintenance and development of the national time scale UTC (NPL), development of a cesium fountain primary frequency standard and research into cold-atom standards and techniques, time transfer activities, development of data analysis methods and clock algorithms, knowledge transfer activities, and the operation of services for time and frequency dissemination in the UK.
Published in:	Proceedings of the 34th Annual Precise Time and Time Interval Systems and Applications Meeting December 3 - 5, 2002 Hyatt Regency Reston Town Center Reston, Virginia
Pages:	425 - 429
Cite this article:	Davis, J.A., Whibberley, P.B., Hlavac, R., Stacey, P.W., Henderson, D., Szymaniec, K., Chalupczak, W., Laverty, J.R., "Time and Frequency Activities at the National Physical Laboratory," Proceedings of the 34th Annual Precise Time and Time Interval Systems and Applications Meeting, Reston, Virginia, December 2002, pp. 425-429.
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