BIPM - publications

Periodic publications:

The BIPM Time Department produces the following regular publications:

Circular T (mid-monthly)
Rapid UTC (weekly)
TT(BIPM) (annually)
BIPM Annual Report on Time Activities (every July)

Several publications and data files on time scales are available on-line from the Time Department's FTP server.

2021


	Sesia I., Signorile G., Thanh Thai T., Defraigne P., Tavella P., GNSS-to-GNSS Time Offsets: Study on the broadcast of a common reference time., GPS Solutions, 2021, 25, 61

2020


	Cacciapuoti L. et al., Testing gravity with cold-atom clocks in space. The ACES mission, Eur. Phys. J. D., 2020, 74(8), 164

	Pizzocaro M. et al., Intercontinental comparison of optical atomic clocks via very long baseline interferometry, Nature Physics, 2020,

	Roberts B.M. et al., Search for transient variations of the fine structure constant and dark matter using fibre-linked optical atomic clocks., New J. Phys., 2020, 22(9), 093010

	Tavella P., Petit G., Precise time scales and navigation systems: mutual benefits of timekeeping and postioning, Satell. Navig., 2020, 1(10),

2019


	Arias E.F., Petit G., The Hyperfine Transition for the Definition of the Second, Ann. Phys. (Berlin), 2019, 531(5), 1900068

	Delva P., Puchades N., Schönemann C., Dilssner F., Courde C., Bertone S., Gonzalez F., Hees A., Le Poncin-Lafitte C., Meynadier F., Prieto-Cerdeira R., Sohet B., Ventura-Traveset J., Wolf P., A new test of gravitational redshift using Galileo satellites: The GREAT experiment. Un nouveau test de décalage gravitationnel vers le rouge à l'aide des satellites Galileo : l'expérience GREAT, C. R. Phys., 2019, 20(3), 176-182

	Leute J., Petit G., Latest Developments on IPPP Time and Frequency Transfer, Proc. IEEE IFCS and EFTF Joint meeting, Orlando, Florida, 2019,

	Panfilo G., Harmegnies A., Tavella P., Abgrall M., Rovera D., Bauch A., The analysis of long-term instability of UTC: a case study, Proc. IEEE IFCS EFTF Joint meeting, Orlando, Florida, 2019,

	Petit G., Harmegnies A., Tests of Galileo and BeiDou Links for UTC, Proc. IEEE IFCS EFTF Joint meeting, Orlando, Florida, 2019,

	Pihan-le Bars H., Guerlin C., Hees A., Peaucelle R., Tasson J.D., Bailey Q.G., Mo G., Delva P., Meynadier F., Touboul P., Métris G., Rodrigues M., Bergé J., Wolf P., New test of Lorentz Invariance Using the MICROSCOPE Space Mission, Phys. Rev. Lett., 2019, 123, 231102

	Savalle E., Guerlin C., Delva P., Meynadier F., Le Poncin-Lafitte C., Wolf P., Gravitational redshift test with the future ACES mission, Class. Quantum Grav., 2019, 36(24), 245004

	Tavella P., Judge S., Stock M., Wielgosz R., Milton M., News from the BIPM laboratories 2018, Metrologia, 2019, 56(1), 015020

	Tavella P., Petit G., Panfilo G., Meynadier F., Harmegnies A., Gonçalves J., Tisserand L., The BIPM Time Department: report on activity, Proc ION PTTI Precise Time and Time Interval meeting, Reston, VI, 2019,

2018


	Arias E.F., Matsakis D., Quinn T.J., Tavella P., The 50th anniversary of the atomic second, IEEE T. Ultrason. Ferro., 2018, 1-6

	Denker H., Timmen L., Voigt C., Weyers S., Peik E., Margolis H.S., Delva P., Wolf P., Petit G., Geodetic methods to determine the relativistic redshift at the level of 10^-18 in the context of international timescales - A review and practical results, J. Geod., 2018, 92(5), 487-516

	Formichella V., Tavella P., Recursive Clock Anomalies Detector with Double Exponential Smoothing, Proc European Frequency and Time Forum, Torino, 2018, 245-248

	Fujieda M., Yang S.-H., Gotoh T., Hwang S.-W., Hachisu H., Kim H., Lee Y.-K., Tabuchi R., Ido T., Lee W.-K., Heo M.-S., Park C.Y., Yu D.-H., Petit G., Advanced Satellite-Based Frequency Transfer at the 10^-16 Level, IEEE Trans. UFFC, 2018, 973-978

	Godun R.M., Baynham C.F.A., Jones J.M., King S.A., Nisbet-Jones P.B.R., Baynes F., Rolland A., Baird P.E.G., Bongs K., Gill P., petit G., Margolis H.S., Absolute frequency measurement of the ytterbium ion E3 optical clock transition using international atomic time, Proc EFTF, 2018,

	Jiang Z., Arias F., Zhang V., Huang Y.-J., Achkar J., Piester D., Lin S.-Y., Wu W., Naumov A., Yang S.-h., Nawrocki J., Sesia I., Schlunegger C., Liang K., Fujieda M., Implementation of SDR TWSTFT in UTC Computation, Proceedings of the 49th Annual Precise Time and Time Interval Systems and Applications Meeting, Reston, Virginia, 2018, 184-208

	Jiang Z., Zhang V., Huang Y.-I., Achkar J., Piester D., Lin S.-Y., Wu W., Naumov A., Yang S.-h., Nawrocki J., Sesia I., Schlunegger C., Yang Z., Fujieda M., Czubla A., Esteban H., Rieck C., Whibberley P., Use of software-defined radio receivers in two-way satellite time and frequency transfers for UTC computation, Metrologia, 2018, 55(5), 685-698

	Leute J., Petit G., Exertier P., Samain E., Rovera D., Uhrich P., High accuracy continuous time transfer with GPS IPPP and T2L2, Proc EFTF, 2018, 249-252

	Liang K., Arias F., Petit G., Jiang Z., Tisserand L., Wang Y., Yang Z., Zhang A., Evaluation of BeiDou time transfer over multiple inter-continental baselines towards UTC contribution, Metrologia, 2018, 55(4), 513-525

	Liang, K., Arias, F., Jiang, Z., Petit, G., Tisserand, L., Wang, Y., Uhrich, P., Rovera, G.D., Koshelyaevsky, N., Lin, C., Powers, E.D., Mitchell, S., Yang, Z., Zhang, A., Fang, Z., Evaluation of BDS Time Transfer on Multiple Baselines for UTC, Proceedings of the 49th Annual Precise Time and Time Interval Systems and Applications Meeting, Reston, Virginia, 2018, 164-172

	Müller J., Dirkx D., Kopeikin S.M., Lion G., Panet I., Petit G., Visser P.N.A.M., High performance clocks and gravity field determination, Space Sci Rev., 2018, 214(5),

	Petit G., Panfilo G., Optimal traceability to the SI second through TAI, Proc EFTF, 2018, 185-187

	Riehle F., Gill P., Arias F., Robertsson L., The CIPM list of recommended frequency standard values: guidelines and procedures, Metrologia, 2018, 55(2), 188-200

	Signorile G., Sesia I., Thai T., Defraigne V., Tavella P., Galileo and GNSS Time Offsets, Proc. European Frequency and Time Forum, Torino, 2018,

2017


	Denker H., Timmen L., Voigt C., Weyers S., Peik E., Delva P., Wolf P., Petit G., Geodetic methods to determine the relativistic redshift at the level of 10^-18 in the context of international timescales - A review and practical results, J. Geodesy, 2017, 92(5), 487-516

	Hachisu H., Petit G., Nakagawa F., Hanado Y., Ido T, SI-traceable measurement of an optical frequency at the low 10^-16 level without a local primary standard, Opt. Express, 2017, 25, 8511-8523

	Hachisu, H., Petit G., Ido T., Absolute frequency measurement with uncertainty below 1×10^-15 using International Atomic Time, Appl. Phys. B, 2017, 123(1),

	Jiang Z, Lin S.-Y., Tseng W.-H., Fully and optimally use the redundancy in a TWSTFT network for accurate time transfer, Proc. ETFT-IFCS2017, 2017, 367-380

	Jiang Z., Arias F.E., Pilot study on the validation of the Software-Defined Radio Receiver for TWSTFT -- BIPM contribution to the validation of the SDR for TWSTFT, Proc. PTTI 2017, 2017,

	Jiang Z., Matsakis D., Zhang V., Long-term instability in UTC time links, Proc. PTTI 2017, 2017,

	Jiang Z., Zhang V., Parker T.E., Yao J., Huang Y.-J., Lin S.-Y., Accurate TWSTFT time transfer with indirect links, Proc. PTTI 2017, 2017,

	Liang K., Zhang A., Yang Z., Tisserand L., Jiang Z., Petit G., Arias E.F., Experimental research on BeiDou time transfer using the NIM made GNSS time and frequency receivers at the BIPM in Euro-Asia link, Proc. ETFT-IFCS2017, 2017, 788-797

	Liang K., Zhang A., Yang Z., Wang J.-L., Lin H.T., Wang Y., Yang F., Yang J., Gotoh T., Cai Z., Jiang Z., Mou W., UTC time link calibration in the frame of APMP - Campaigns in 2014-2016, Proc. ETFT-IFCS2017, 2017, 826-834

	Lin S.Y., Jiang Z., GPS All in View Time Comparison using Multireceiver Ensemble, Proc. ETFT-IFCS2017, 2017, 362-365

	Matus M., Gavalyugov V., Tamakyarska D., Alqahtani N., Alfohaid M., Moona G., Sharma R., Hapiddin A., Boynawan A.M., Ranusawud M., Tonmueanwai A., Hong F.-L., Ishikawa J., Robertsson L., The CCL-K11 ongoing key comparison. Final report for the year 2014, Metrologia, 2017, 54, Tech. Suppl., 04001

	Petit G., Leute J., Sub 10^-16 frequency transfer with IPPP: Recent results, Proc. 2017 Joint EFTF/IFCS, 2017, 784-787

	Tavella P., Precise time scales and navigation systems, Metrology: from Physics Fundamentals to Quality of Life, Proc. International School of Physics « Enrico Fermi », Tavella P., Milton M.J.T., Inguscio M., De Leo N., 2017, 196, 463-476

	Tavella P., Statistical tools for time varying quantities, Metrology: from Physics Fundamentals to Quality of Life, Proc. International School of Physics « Enrico Fermi », Tavella P., Milton M.J.T., Inguscio M., De Leo N., 2017, 196, 477-494

2016


	Jiang Z., Final report of the BIPM Pilot Study on UTC time link calibration, Proc. 47th PTTI meeting, Monterey, 2016, 20-26

	Jiang Z., Matsakis D., Zhang V., Esteban H., Piester D., Lin S.Y., Dierikx E., A TWSTFT calibration guideline and the use of a GPS calibrator for UTC TWSTFT link calibrations, Proc. 47th PTTI meeting, Monterey, 2016, 231-242

	Jiang Z., Piester D., Schlunegger C., Dierikx E., Zhang V., Galindo J., Matsakis D., The 2015 TWSTFT calibration for UTC and related time links, Proc. 30th EFTF meeting, York, 2016,

	Matus M., van den Berg S., Czulek D., Seppä J., Robertsson L., The CCL-K11 ongoing key comparison. Final report for the year 2015, Metrologia, 2016, 53, Tech. Suppl., 04007

	Panfilo G., The Coordinated Universal Time, IEEE Instrumentation and Measurement Magazine, 2016, 19(3), 28-33

	Parisi F., Panfilo G., A new approach to UTC calculation by means of the Kalman filter, Metrologia, 2016, 53(5), 1185-1192

	Petit G., Defraigne P., The performance of GPS time and frequency transfer: comment on 'A detailed comparison of two continuous GPS carrier-phase time transfer techniques', Metrologia, 2016, 53(3), 1003-1008

	Riedel F., Petit G., et al, Remote optical and fountain clock comparison using broadband TWSTFT and GPS PPP, Proc. 30th EFTF meeting, York, 2016,

	Robertsson L., On the evaluation of ultra-high-precision frequency ratio measurements: examining closed loops in a graph theory framework, Metrologia, 2016, 53(6), 1272-1280

2015


	Defraigne P., Petit G., CGGTTS-Version 2E: an extended standard for GNSS Time Transfer, Metrologia, 2015, 52(6), G1

	Esteban H., Galindo J., Bauch A., Polewka T., Cerretto G., Costa R., Whibberley P., Uhrich P., Chupin B., Jiang Z., GPS Time Link Calibrations in the Frame of EURAMET Project 1156, Proc. EFTF/IFCS 2015, 2015, 649-654

	Fey A.L., Arias F.E., et al., The second realization of the International Celestial Reference Frame by Very Long Baseline Interferometry, Astron. J., 2015, 150(2),

	Jiang Z., Link calibration or receiver calibration for accurate time transfer?, Proc. EFTF/IFCS 2015, 2015, 230-235

	Jiang Z., Czubla A., Nawrocki J., Lewandowski W., Arias E.F., Comparing a GPS time link calibration with an optical fibre self-calibration with 200 ps accuracy, Metrologia, 2015, 52(2), 384-391

	Luzum B., Petit G., et al., IAU Working Group for Numerical Standards of Fundamental Astronomy (NSFA): Past efforts and future endeavors, IAU General Assembly, 2015,

	Matsakis D., Jiang Z., Wu W., Carrier phase and pseudo-range disagreement as revealed by precise point positioning solutions, Proc. EFTF/IFCS 2015, 2015, 717-722

	Matus M., Edwards C., Margolis H., Pirée H., Şahin E., Birlikseven C., Robertsson L., The CCL-K11 ongoing key comparison. Final report for the year 2013, Metrologia, 2015, 52, Tech. Suppl., 04006

	Matus M., Karlsson H., Stone J., Krüger O., Zelan M., Madej A.A., Bernard J.E., Lassila A., Robertsson L., The CCL-K11 ongoing key comparison. Final report for the year 2012, Metrologia, 2015, 52, Tech. Suppl., 04005

	Petit G., Arias F., Panfilo G., International Atomic Time: Status and future challenges, Comptes Rendus Physique, 2015, 16(5), 480-488

	Petit G., Kanj A., Loyer S., Delporte J., Mercier F., Perosanz F., 1 × 10^-16 frequency transfer by GPS PPP with integer ambiguity resolution, Metrologia, 2015, 52(2), 301-309

	Yao J., Skakun I., Jiang Z., Levine J., A detailed comparison of two continuous GPS carrier-phase time transfer techniques, Metrologia, 2015, 52(5), 666-676

2014


	Jiang Z., Total delay and total uncertainty in UTC time link calibration, Proc. 45th PTTI Meeting, 2014, 112-125

	Jiang Z., Lewandowski W., Evolution of the uncertainty of [UTC-UTC(k)], Proc. 45th PTTI Meeting, 2014, 208-216

	Konaté H., Arias E.F., The BIPM Time Department Database, Proc. 45th PTTI Meeting, 2014, 1-13

	Panfilo G., Harmegnies A., Tisserand L., Arias E.F., The algorithm for the generation of UTC : latest improvements, Proc. 45th PTTI Meeting, 2014, 274-291

	Petit G., A timescale based on the world's fountain clocks, Proc. 45th PTTI Meeting, 2014, 265-268

	Petit G., Arias F., Harmegnies A., Panfilo G., Tisserand L., UTCr: a rapid realization of UTC, Metrologia, 2014, 51(1), 33-39

2013


	Defraigne P., Aerts W., Harmegnies A., Petit G. et al., Advances in multi-GNSS time transfer, Proc. IFCS-EFTF 2013, 2013, 508-512

	Fang H., Kiss A., de Mirandés E., Lan J., Robertsson L., Solve S., Picard A., Stock M., Status of the BIPM watt balance, IEEE Trans. Instrum Meas., 2013, 62, 1491-1498

	Harmegnies A., Defraigne P., Petit G., Combining GPS and GLONASS in all-in-view for time transfer, Metrologia, 2013, 50(3), 277-287

	Jiang Z., Improving the time link calibration for the generation of UTC, Proc. Asia-Pacific Time and Frequency Workshop, 2013, 108-129

	Jiang Z., Arias E.F., Use of the Global Navigation Satellite Systems for the construction of the international time reference UTC, Proc. China Satellite Navigation Conference, 2013, 457-468

	Jiang Z., Konaté H., Lewandowski W., Review and preview of two-way time transfer for UTC generation – from TWSTFT to TWOTFT, Proc. IFCS-EFTF 2013, 2013, 501-504

	Jiang Z., Pálinkáš V., Francis O., Baumann H., Mäkinen J., Vitushkin L., Merlet S., Tisserand L., Jousset P., Rothleitner C., Becker M., Robertsson L., Arias E.F., On the gravimetric contribution to watt balance experiments, Metrologia, 2013, 50(5), 452-471

	Jiang Z., Petit G., Tisserand L., Uhrich P., Rovera G. D., Lin S. Y., Progress in the link calibration for UTC time transfer, Proc. IFCS-EFTF 2013, 2013, 861-864

	Panfilo G., Harmegnies A., A new weighting procedure for UTC, Proc. IFCS-EFTF 2013, 2013, 652-653

	Panfilo G., Harmegnies A., Tisserand L., Arias E.F., The algorithm for the generation of UTC: latest improvements, Proc. 45th PTTI Meeting, 2013,

	Solve S., Chayramy R., Picard A., Kiss A., Fang H., Robertsson L, de Mirandés E., Stock M., A bias source for the voltage reference of the BIPM watt balance, IEEE Trans. Instrum. Meas., 2013, 1594-1599

	Zucco M., Robertsson L., Wallerand J.-P., Laser-induced fluorescence as a tool to verify the reproducibility of iodine-based laser standards: a study of 96 iodine cells, Metrologia, 2013, 50(4), 402-408

2012


	Arias E.F., Jiang Z., Robertsson L., Vitushkin L., Ruess D., Ullrich C., Inglis D., Liard J., Robinson I., Ji W., Shuqing W., Lee C., Palinkas V., Mäkinen J., Pereira Dos Santos F., Bodart Q., Merlet S., Mizushima S., Choi I.-M., Baumann H., Karaböce B., Final report of key comparison CCM.G-K1: International comparison of absolute gravimeters ICAG2009, Metrologia, 2012, 49, Tech. Suppl., 07011

	Arias F., Harmegnies A., Jiang Z., Konaté H., Lewandowski W., Panfilo G., Petit G. and Tisserand L., UTCr: a rapid realization of UTC, Proc. EFTF 2012, 2012, 24-27

	Bauch A., Beutler G. and Petit G., Time and Frequency Metrology and its use for Navigation: Status and Proposed Future Research Themes, Galileo Science Advisory Committee, 2012,

	Fletcher N., Goebel R., Robertsson L. and Stock M., Progress towards a determination of R_K at the BIPM, Proc. 2012 Conference on Precision Electromagnetic Measurements (CPEM), 2012, 252-253

	Francis O., Rothleitner Ch., Jiang Z., Accurate determination of the Earth Tidal Parameters at the BIPM to support the watt balance project, Proc. IAG Symposium, 2012, 139,

	Jiang Z., Becker M., Jousset P., Coulomb A., Tisserand L., Boulanger P., Lequin D., Lhermitte F., Houillon J.L., Dupont F., High precision levelling supporting the International Comparison of Absolute Gravimeters, Metrologia, 2012, 49(1), 41-48

	Jiang Z., Lewandowski W., Use of GLONASS for UTC time transfer, Metrologia, 2012, 49(1), 57-61

	Jiang Z., Lewandowski W., Accurate GLONASS Time Transfer for the Generation of the Coordinated Universal Time, Int. Journal of Navigation and Observation, 2012, 14 pp

	Jiang Z., Lewandowski W., Use of multi-technique combinations in UTC/TAI time and frequency transfer, Proc. EFTF 2012, 2012, 335-339

	Jiang Z., Lewandowski W., Intercomparison of the UTC time transfer links, Proc. EFTF 2012, 2012, 126-132

	Jiang Z., Lewandowski W., Panfilo G. and Petit G., Reevaluation of the measurement uncertainty of the UTC time transfer, Proc. 43rd PTTI Meeting 2011, 2012, 133-140

	Jiang Z., Matsakis D., Mitchell S., Breakiron L., Bauh A., Piester D., Maeno H., Bernier L.G, Long-term instability of GPS-based time transfer and proposals for improvements, Proc. 43rd PTTI Meeting 2011, 2012, 387-406

	Jiang Z., Pálinkáš V., Francis O., Jousset P., Mäkinen J., Merlet S., Becker M., Coulomb A., Kessler-Schulz K.U., Schulz H.R., Rothleitner Ch., Tisserand L., Lequin D., Relative Gravity Measurement Campaign during the 8th International Comparison of Absolute Gravimeters (2009), Metrologia, 2012, 49(1), 95-107

	Jiang Z., Pálinkáš V., Arias F.E., Liard J., Merlet S., Wilmes H., Vitushkin L., Robertsson L., Tisserand L., Pereira Dos Santos F., Bodart Q., Falk R., Baumann H., Mizushima S., Mäkinen J., Bilker-Koivula M., Lee C., Choi I.M., Karaboce B., Ji W., Wu Q., Ruess D., Ullrich C., Kostelecký J., Schmerge D., Eckl M., Timmen L., Le Moigne N., Bayer R., Olszak T., Ågren J., Del Negro C., Greco F., Diament M., Deroussi S., Bonvalot S., Krynski J., Sekowski M., Hu H., Wang L.J., Svitlov S., Germak A., Franci, The 8th International Comparison of Absolute Gravimeters 2009: the first Key Comparison (CCM.G-K1) in the field of absolute gravimetry, Metrologia, 2012, 49(6), 666-684

	Jiang Z., Pálinkáš V., Francis O., Merlet S., Baumann H., Becker M., Jousset P., Mäkinen J., Schulz H.R., Kessler-Schulz K.U., Svitlov S., Coulomb A., Tisserand L., Hu H., Rothleitner Ch., Accurate gravimetry at the BIPM watt balance site, Proc. IAG Symposium, 2012, 139,

	Liard J., Pálinkáš V., Jiang Z., The self-attraction effect in absolute gravimeters and its influence on CIPM key comparisons, Rapport BIPM-2012/01, 12 pp

	Matus M., del Mar Pérez M., Zelenika S., Dauletbayev A., Kuanbayev C., Hussein H., Robertsson L., The CCL-K11 ongoing key comparison. Final report for the year 2011, Metrologia, 2012, 49, Tech. Suppl., 04009

	Pálinkáš V., Liard J., Jiang Z., On the effective position of the free-fall solution and the self-attraction effect of the FG5 gravimeters, Metrologia, 2012, 49(4), 552-559

	Panfilo G., The new prediction algorithm for UTC: application and results, Proc. EFTF 2012, 2012, 242-246

	Panfilo G., Harmegnies A., Tisserand L., A new prediction algorithm for the generation of International Atomic Time, Metrologia, 2012, 49(1), 49-56

	Petit G., Panfilo G., Comparison of frequency standards used for TAI, IEEE Trans. Instrum. Meas., 2012, 99, 1-6