Jones, D J M; Aikomo, M; Ashford, S; Ashkhasi, A; Davis, J A; Devine, B; Eglin, B; Everett, S B; Foot, R; Galbraith, D; Hendricks, R J; Khatry, K; Langham, C; Lewis, R; Newton-Griffiths, J; Owen, H; Shemar, S L; Sheppard, A; Smyth, C; Szymaniec, K; Walby, S; Weston, D F M; Whale, J; Whibberley, P B; Wilson, A; Wilson, C; Margolis, H S (2024) A new resilient time and frequency infrastructure for UTC(NPL). Journal of Physics: Conference Series, 2889. 012025
Riedel, F; Al-Masoudi, A; Benkler, E; Dörscher, S; Gerginov, V; Grebing, C; Häfner, S; Huntemann, N; Lipphardt, B; Lisdat, C; Peik, E; Piester, D; Sanner, C; Tamm, C; Weyers, S; Denker, H; Timmen, L; Voigt, C; Calonico, D; Cerretto, G; Costanzo, G A; Levi, F; Sesia, I; Achkar, J; Guéna, J; Abgrall, M; Rovera, D; Chupin, B; Shi, C; Bilicki, S; Bookjans, E; Lodewyck, J; Le Targat, R; Delva, P; Bize, S; Baynes, F N; Baynham, C F A; Bowden, W; Gill, P; Godun, R M; Hill, I R; Hobson, R; Jones, J M; King, S A; Nisbet-Jones, P B R; Rolland, A; Shemar, S L; Whibberley, P B; Margolis, H S (2020) Direct comparisons of European primary and secondary frequency standards via satellite techniques. Metrologia, 57 (4). 045005 ISSN 0026-1394
Davis, J A; Shemar, S L; Whibberley, P B (2011) A Kalman filter UTC(k) prediction and steering algorithm. In: 2011 Joint Conference of the IEEE International Frequency Control Symposium/ European Frequency and Time Forum Proceedings, 1-5 May 2011, San Francisco, USA.
Shemar, S L; Davis, J A; Whibberley, P B (2010) Preliminary results from NPL’s clock ensemble algorithm using hydrogen masers and caesium clocks. In: EFTF 2010 - 24th European Frequency and Time Forum, 13-16 April 2010, Noordwijk, Netherlands.
Harris, P M; Davis, J A; Cox, M G; Shemar, S L (2003) Least-squares anaylsis of time series data and its application to two-way satellite time and frequency transfer measurements. Metrologia, 40 (3). S342-S347
Shemar, S L; Davis, J A (1999) A study of delay instabilities within a two-way satellite time and frequency transfer earth station. In: Proc. 1999 Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symp., 12-16 April 1999, Besancon, France.
Shemar, S L; Davis, J A (1998) Improving the delay stability of a two-way satellite time and frequency transfer earth station. In: Annual Precise Time and Time Interval Systems and Applications Meeting, December 1998, Reston, VA, USA.