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.

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

	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),

	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

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

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

2011


	Arias E.F., The BIPM: International References for Earth Sciences, Proc. IAG Scientific Assembly, Springer, 2011, 136(8), 1023-1027

	Arias E.F., Bauch A., Metrology of Time and Frequency, Encyclopedia of Applied Physics, 2011, 315-348

	Arias E.F., Lewandowski W., Foreword: Modern Applications of Timescales, Metrologia, 2011, 48(4), i=4/a=E01

	Arias E.F., Panfilo G., Petit G., Timescales at the BIPM, Metrologia, 2011, 48(4), S145-S153

	Bauch A., Piester D., Fujieda M., Lewandowski W., Directive for operational use and data handling in two-way satellite time and frequency transfer (TWSTFT), Rapport BIPM-2011/01, 25 pp

	D'Agostino G., Robertsson L., Relative beam misalignment errors in high accuracy displacement interferometers: calculation and detection, Appl. Phys. B: Lasers Opt., 2011, 103(2), 357-361

	D'Agostino G., Robertsson L., Zucco M., Pisani M., Germak A., A low-finesse Fabry-Pérot interferometer for use in displacement measurements with applications in absolute gravimetry, Appl. Phys. B: Lasers Opt., 2011, 106(4), 829-834

	Defraigne P., Harmegnies A., Petit G., Time and frequency transfer combining GLONASS and GPS data, Proc. Joint Meeting of the EFTF and IEEE FCS (San Francisco), 2011,

	Fang H., Kiss A., Robertsson L., Bradley M., de Mirandes E., Picard A., Solve S., Stock M., Asquisition et synchronisation des données pour la balance de watt du BIPM, 15th Congress of Metrology, Paris, 2011,

	Fang H., Kiss A., Robertsson L., de Mirandes E., Solve S., Picard A., Stock M., Improvements in the BIPM watt balance, 15th Congress of Metrology, Paris, 2011,

	Jiang Z., Arias E.F., Tisserand L., Kessler-Schultz K.U., Schultz H.R., Palinkas V., Rothleitner C., Francis O., Becker M., The Updated Precise Gravity Network at the BIPM, Proc. IAG Scientific Assembly, Springer, 2011, 134, 263-272

	Jiang Z., Arias F., Lewandowski W., Petit G., BIPM Calibration Scheme for UTC Time Links, Proc. EFTF 2011, 2011, 1064-1069

	Jiang Z., Arias F., Tisserand L., et al, The updating precise gravity network at BIPM, Proc. IAG Scientific Assembly, Springer, 2011, 134, 1023-1028

	Jiang Z., Francis O., Vitushkin L., Palinkas V., Germak A., Becker M., D'Agostino G., Amalvict M., Bayer R., Bilker-Koivula M., Desogus S., Faller J., Falk R., Hinderer J., Gagnon C., Jakob T., Kalish E., Kostelecky J., Lee C., Liard J., Lokshyn Y., Luck B., Mäkinen J., Mizushima S., Le Moigne N., Origlia C., Pujol E.R., Richard P., Robertsson L., Ruess D., Schmerge D., Stus Y., Svitlov S., Thies S., Ullrich C., Van Camp M., Vitushkin A., Ji W., Wilmes H., Final report on the Seventh International Comparison of Absolute Gravimeters (ICAG 2005), Metrologia, 2011, 48(5), 246-260

	Jiang Z., Lewandowski W., On the measurement quality of UTC time transfer: Evolution and reevaluation of measurement uncertainty in [UTC – UTC(k)], Rapport BIPM-2011/07, 16 pp

	Jiang Z., Lewandwski W., Some remarks on the CCTF CGGTTS format, Proc. EFTF 2011, 2011, 317-322

	Jiang Z., Petit G., Harmegnies A., Lewandowski W., Tisserand L., Comparison of the GLONASS orbit products for UTC time transfer, Proc. Joint Meeting of the EFTF and IEEE FCS, 2011, 323-328

	Lewandowski W., Arias E.F., GNSS times and UTC, Metrologia, 2011, 48(4), S219-S224

	Matus M., Balling P., Kren P., Mašika P., Hong F-.L., Ishikawa J., Inaba H., Hosaka K., Yasuda M., Akamatsu D., Onae A., Shi R-.H., Peng J-.L., Howick E., Qian J., Liu X., Ranusawud M., Tonmueanwai A., Leng Tan S., Chao Z., Yeoh K-.H., Mat Daud N., Kin Chan T., Fíra R., Stalder O., Tomanyiczka K., Robertsson L., The CCL-K11 ongoing key comparison: final report for the year 2010, Metrologia, 2011, 48, Tech. Suppl., 04001

	Panfilo G., Harmegnies A., Tisserand L., A new prediction algorithim for EAL, Proc. Joint Meeting of the EFTF and IEEE FCS, 2011, 850-855

	Petit G., Cognard I., How can millisecond pulsars transfer the accuracy of atomic time?, General Assembly and Scientific Symposium 2011 XXXth URSI, 2011,

	Petit G., Harmegnies A., Mercier F., Perosanz F., Loyer S., The time stability of PPP links for TAI, Proc. Joint Meeting of the EFTF and IEEE FCS, 2011, 1041-1045

	Quinn T., Time, the SI and the Metre Convention, Metrologia, 2011, 48(4), S121-S124

2010


	Arias E.F., Panfilo G., Impact of new frequency standards on the international time scales, Proc. IAU, 2010, 5, 223-224

	Defraigne P., Baire Q., Harmegnies A., Time and frequency transfer combining GLONASS and GPS data, Proc. 42nd PTTI Meeting, 2010, 263-274

	Jiang Z., Interpolation of TW time transfer from measured points onto standard MJD for UTC generation, Proc. EFTF, 2010,

	Jiang Z., Arias F., Lewandowski W., Petit G., Toward new procedures in TWSTFT and GNSS delay characterization for UTC time transfer?, Proc. EFTF, 2010,

	Jiang Z., Piester D., Liang K., Restoring a TWSTFT calibration with a GPS bridge – A standard procedure for UTC time transfer, Proc. EFTF 2010, 2010,

	Jiang Z., Tisserand L., Kessler-Schultz K.U., Scultz H.R., Palinkas V. Rothleitner C., Francis O., Jousset P., Lequin D., Merlet S., Mäkinen J., Becker M., Preliminary result of the BIPM relative gravity measurement campaign during the 8th International Comparison of Absolute Gravimeters, IAG Symposium on Terrestrial Gravimetry: Static and mobile measurements (TG-SMM 2010), St Petersburg, 2010, 125-133

	Lewandowski W., Tisserand L., Relative characterization of GPS time equipment delays at the OP, AOS, GUM, LT, TP, BEV, OMH, NIMB, NMC, and ZMDM, Rapport BIPM-2010/02, 27 pp

	Lewandowski W., Tisserand L., Relative characterization of GPS time equipment delays at the OP, PTB, AOS, USNO and IT, Rapport BIPM-2010/03, 16 pp

	Lewandowski W., Tisserand L., Relative characterization of GNSS receiver delays for GPS and GLONASS C/A codes in the L1 frequency band at the OP, SU, PTB and AOS, Rapport BIPM-2010/04, 40 pp

	Matus M., Nyholm K., Madej A.A., Bernard J.E., Walczuk J., Crepinsek Lipus L., Castillo H.A., Pichardo Vega R., Bastida K.B., Mingolla M.G., Malinovski I., Tarelho L., França R., Hamid R., Sahin E., Katic M., Simunovic V., Robertsson L., Final report for the period 2007-2009 on the CCL-K11 ongoing key comparison, Metrologia, 2010, 47, Tech. Suppl., 04009

	Panfilo G., Parker T.E., A theoretical and experimental analysis of frequency transfer uncertainty, including frequency transfer into TAI, Metrologia, 2010, 47(5), 552-560

	Petit G., The new edition of the IERS Conventions: conventional reference systems and constants, Proc. Journées 2010 SRST, 2010, 6-11

	Petit G., Atomic time scales TAI and TT(BIPM): present performances and prospects, Highlights of Astronomy, Proc. IAU 2009, 2010, 15, 220-221

	Petit G., Luzum B., The 2010 reference edition of the IERS Conventions, Proc. IAG Commission I Symposium 2010 Reference Frames for Applications in Geosciences (REFAG2010), 2010,

	Petit G., Luzum B., The IERS Conventions (2010), IERS Technical Note No. 36, Verlag des Bundesamts für Kartographie und Geodäsie (Frankfurt am Main), 2010, 179 pp

	Petit G., Luzum B., The IERS Conventions (2010), Geophysical Research Abstracts, 2010, 13,

2009


	Arias E.F., Panfilo G., International time scales at the BIPM: impact and applications, Proc. 14th International Metrology Congress, Paris, 2009, CD-Rom

	Jiang Z, Lewandowski W,, Piester D., Calibration of TWSTFT links through the triangle closure condition, Proc. 40th PTTI, 2009, 467-483

	Jiang Z., Fully use the redundancy in TWSTFT and GNSS time and frequency transfer, Proc. EFTF-IFCS 2009, Besançon, IEEE, 2009, 1194-1197

	Jiang Z., Becker M., Francis O., Germak A., Palinkas V., Jousset P., Kostelecky J., Dupont F., Lee C.W., Tsai C.L., Falk R., Wilmes H., Kopaev A., Ruess D., Ullrich M.C., Meurers B., Mrlina J., Deroussi S., Métivier L., Pajot G., Pereira Dos Santos F., van Ruymbeke M., Naslin S., Ferry M., Relative Gravity Measurement Campaign during the 7th International Comparison of Absolute Gravimeters (2005), Metrologia, 2009, 46(3), 214-226

	Jiang Z., Niessner A., Calibrating GPS with TWSTFT for accurate time transfer, Proc. 40th PTTI, 2009, 577-586

	Jiang Z., Petit G., Combination of TWSTFT and GNSS for accurate UTC time transfer, Metrologia, 2009, 46(3), 305-314

	Lewandowski W., Arias E.F., Nawrocki J., Nogas P., Use of GLONASS for international time keeping, Proc. Inst. Appl. Astron., (Ed. Nauka, St Petersburg), 2009, 20, 358-366

	Li H., Zhang H., Lewandowski W, Jiang Z., TWSTFT Activities at Chinese National Time Service Centre, Proc. EFTF-IFCS 2009, Besançon, IEEE, 2009, 1206-1208

	Lui Y., Jiang Z., Precise time transfer activities in Singapore, Proc. EFTF-IFCS 2009, Besançon, IEEE, 2009, 634-638

	Panfilo G., Arias E.F., Studies and possible improvements on EAL algorithm, Proc. EFTF-IFCS 2009, Besançon, IEEE, 2009, 110-115

	Petit G., Relativistic aspects in astronomical standards and the IERS Conventions, Proc. Journées 2008 Systèmes de référence spatiotemporels, Observatoire de Paris, Paris, 2009, 41-45

	Petit G., Atomic time scales TAI and TT(BIPM): present status and prospects, Proc. 7th Symposium on Frequency Standards and Metrology, Word Scientific, 2009, 475-482

	Petit G., The TAIPPP pilot experiment, Proc. EFTF-IFCS 2009, Besançon, IEEE, 2009, 116-119

	Petit G., Arias F., Use of IGS products in TAI applications, J. Geodesy, 2009, 83, 327-334

	Petit G., Bernier L.-G., Uhrich P., Time and Frequency transfer by geodetic GPS: comparison of receivers and computation techniques, Proc. EFTF-IFCS 2009, Besançon, IEEE, 2009, 269-273

	Vitushkin L., Current status and perspectives of absolute ballistic gravimetry, Proc. Inst. Appl. Astron. (Ed. Nauka, St Petersburg), 2009, 20, 303-308