BIPM - time, frequency and gravimetry

The Time, Frequency and Gravimetry Department produces the following regular publications:

Circular T (mid-monthly)
GPS and GLONASS tracking schedules (in March and September)
BIPM Annual Report on Time Activities (every July)

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

2010

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 characterizaton 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

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 of 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, 6346638

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

2008

Arias E.F., A successful example of international coordination for metrology: the international time scales, Proc. TGSMM-2007, State Research Centre of Russia Electropribor, St Petersburg, 2008, 7-14

Arias E.F., Panfilo G., Time activities at the BIPM, Proc. 40th PTTI, 2008, 657-662

Bibbona E., Panfilo G., Tavella G., The Ornstein-Uhlenbeck process as a model of a low pass filtered white noise, Metrologia, 2008, 45(6), S117-S126

D'Agostino G., Germak A., Vitushkin L.F., International Comparison of Absolute Gravimeters, technical protocol and estimate of the reference value and its uncertainty, Proc. TGSMM-2007, State Research Centre of Russia Electropribor, St Petersburg, 2008, 117-122

Defraigne P., Carmen Martínez M., Jiang Z., Time transfer from combined analysis of GPS and TWSTFT data, Proc. 40th PTTI, 2008, 565-576

Jiang Z., Towards a TWSTFT network time transfer, Metrologia, 2008, 45(6), S6-S11

Jiang Z., Becker M., Vitushkin L., The local gravity field at BIPM, Proc. TGSMM-2007, State Research Centre of Russia Electropribor, St Petersburg, 2008, 152-157

Krivtsov E., Yankovsky A., Vitushkin L., Francis O., Investigations of characteristics of gravimetric sites intended for high-accuracy measurements, Proc. TGSMM-2007, State Research Centre of Russia Electropribor, St Petersburg, 2008, 158-166

Lewandowski W., Matsakis D., Panfilo G., Tavella P., Analysis of correlations, and link and equipment noise in the uncertainties of [UTC – UTC(k)], UFCC, 2008, 4, 750-760

Lewandowski W., Tisserand L., Determination of the differential time corrections for GPS time equipment located at the OP, NTSC, HKO, TL, SG, AUS, KRIS, NMIJ, and NICT, Rapport BIPM-2008/02, 27 pp

Lewandowski W., Tisserand L., Determination of the differential time corredtions for GPS time equipment located at the OP, TCC, ONBA, IGMA and CNMP, Rapport BIPM-2008/03, 18 pp

Lewandowski W., Tisserand L., Determination of the differential time corrections for GPS time equipment located at the OP, CNM, NIST, USNO and NRC, Rapport BIPM-2008/04, 21 pp

Lewandowski W., Tisserand L., Determination of the differential time corrections for GPS time equipment located at the OP, PTB, NPL and VSL, Rapport BIPM-2008/01, 19 pp

Matsakis D., Breakiron L., Bauch A., Piester D., Jiang Z., Two-way satellite time and frequency transfer (TWSTFT) calibration constancy from closure sums, Proc. 40th PTTI, 2008, 587-604

Niessner A., Mache W., Blanzano B., Koudelka O., Becker J., Piester D., Jiang Z., Arias F., Calibration of the BEV GPS receiver by using TWSTFT, Proc. 40th PTTI, 2008, 543-548

Panfilo G., Tavella P., Atomic clock prediction based on stochastic differential equations, Metrologia, 2008, 45(6), S108-S116

Peshekhonov V.G., Jekeli C., Vitushkin L.F, International symposium "Terrestrial Gravimetry: Static and Mobile Measurements", Meas. Tech., 2008, 51(3), 336-338

Petit G., Jiang Z., Precise point positioning for TAI computation, Int. J. Navig. Obs., 2008, 2008, 562878, 8 pp

Petit G., Jiang Z., GPS All in View time transfer for TAI computation, Metrologia, 2008, 45(1), 35-45

Petit G., Klioner S., Does relativistic time dilation contribute to the divergence of Universal Time and Ephemeris Time?, Astron J., 2008, 136, 1909-1912

Vitushkin L., Measurement standards in gravimetry, Proc. TGSMM-2007, State Research Centre of Russia Electropribor, St Petersburg, 2008, 98-105

Vitushkin L., Orlov O., Nalivaev V., Test measurements of free-fall acceleration using the FG5-108 gravimeter with a compact diode-pumped solid-state Nd:YVO₄/KTP/I₂ laser at a wavelength of 532 nm, Proc. TGSMM-2007, State Research Centre of Russia Electropribor, St Petersburg, 2008, 143-146

Vitushkin L., Wolf P., Vitushkin A., A proposal for the measurement of the gravitational constant using the attraction between two freely moving discs, Proc. TGSMM-2007, State Research Centre of Russia Electropribor, St Petersburg, 2008, 259-263

2007

Arias E.F., Time scales and relativity, Proc. International School of Physics 'Enrico Fermi', Course CLXVI, Metrology and Fundamental Constants, 2007, 367-392

Jiang Z., Dach R., Petit G., Schildknecht T., Hugentobler U., Comparison and combination of TAI time links with continuous GPS carrier phase results, Proc. EFTF-IFCS 2006, 2007, 440-447

Jiang Z., Petit G., Redundancy in the TAI TWSTFT time transfert network, Proc. EFTF-IFCS 2006, 2007, 468-475

Jiang Z., Petit G., Defraigne P., Combination of GPS carrier phase solution with a calibrated time transfer link, Proc. 21st EFTF, 2007, 1182-1187

Jiang Z., Vitushkin L., Becker M., Francis O., Jousset P., Ferry M., Dupont F., Deroussi S., Métivier L., Pajot G., Lee C., Tsai C., Falk R., Wilmes H., Kopaev A., Ruess D., Ullrich C., Meurers B., Mrlina J., Palinkas V., Kostelecky J., Pereir F., van Ruymbeke M., Naslin S., Relative campaign during the International Comparison of Absolute Gravimeters ICAG-2005 and the strategy of data treatment combined with the absolute results, Proc. 1st Int. Gravity Field Service Symposium, Istanbul, 2007, 371-376

Ma L.-S., Bi Z, Bartels A., Kim K., Robertsson L., Zucco M. Windeler R.S., Wilpers G., Oates C., Hollberg L., Diddams S.A., Frequency uncertainty for optically referenced femtosecond laser frequency combs, IEEE J. Quant. Electr., 2007, 43(2), 139

Matsakis D., Lee M., Dach R., Hugentobler U., Jiang Z., GPS carrier phase analysis noise on the USNO-PTB baselines, Proc. FCS 2006, 2007, 631-636

Nawrocki J., Rau Z., Lewandowski W., Malkowski M., Marszalec M., Nerkowski D., Steering UTC(AOS) and UTC(PL) by TA(PL), Proc. 38th PTTI - Applications and Planning Meeting, 2006, Reston, VA, 2007, 379-388

Petit G., The long-term stability of EAL and TAI (revisited), Proc. EFTF-FCS'07, 2007, 391-394

Petit G., Jiang Z., Precise point positioning for TAI computation, Proc. EFTF-FCS'07, 2007, 395-398

Robertsson L., On the diffraction correction in absolute gravimetry, Metrologia, 2007, 44(1), 35-39

Robertsson L., Felder R., Bertinetto F., Cordiale P., Wallerand J.-P., Suh H., Hussein H., Hamid R., Sahin E., Results from the CII-2006 campaign at the BIPM of the BIPM.L-K11 ongoing key comparison, Metrologia, 2007, 44, Tech. Suppl., 04003

Robertsson L., Zucco M., Felder R., Ma L.-S., Dahlan A.M., Prieto E., Perez M., Saraiva F., Sharma R., Results from the CII-2005 and CI-2006 campaigns at the BIPM of the BIPM.L-K11 ongoing key comparison, Metrologia, 2007, 44, Tech. Suppl., 04002

Robertsson L., Zucco M., Felder R., Ma L.-S., Quin J., Liu X., Liu Z., Inaba H., Ishikawa J., Hamid R., Results from additional measurements carried out within the BIPM.L-K11 ongoing key comparison, Metrologia, 2007, 44, Tech. Suppl., 04004

Vitushkin L., Wolf P., Vitushkin A., Measurement of the gravitational constant using the attraction between two freely falling discs: A proposal, Int. J. Mod. Phys. D, 2007, 16(12), 2287-2295

2006

Arias E.F., The Iberoamerican contribution to international time keeping, Rev. Mex. Astron. Astr. (Ser. Conf.), 2006, 25, 21-23

Arias E.F., The rotation of the Earth: new models and concepts, Rev. Mex. Astron. Astr. (Ser. Conf.), 2006, 25, 24-26

Arias E.F., Guinot B., Avenir du Temps Universel Coordonnée (UTC), Navigation, 2006, 54(214), 59-78

Bauch A., Achkar J., Bize S., Calonico D., Dach R., Hlavac R., Lorini L., Parker T., Petit G., Piester D., Szymaniec K., Uhrich P., Comparison between frequency standards in Europe and the USA at the 10^–15 uncertainty level, Metrologia, 2006, 43(1), 109-120

Hamid R., Sahin E., Celik M., Özen G., Zucco M., Robertsson L., Ma L.-S., 10^–12 level reproducibility of an iodine-stabilized He-Ne laser endorsed by absolute frequency measurements in the BIPM and UME, Metrologia, 2006, 43(1), 106-108

Lewandowski W., International atomic time scales and related time transfer, MAPAN – J. Metrol. Soc. India, 2006, 4, 223-227

Lewandowski W., Matsakis D., Panfilo G., Tavella P., The evaluation of uncertainties in [UTC – UTC(k)], Metrologia, 2006, 43(3), 278-286

Ma L.S., Picard S., Zucco M., Chartier J.-M., Robertsson L., Balling P., Kren P., Qian J., Liu Z., Shi C., Alonso M.V., Xu G., Tan S.L., Nyholm K., Henningsen J., Hald J., Rowley W.R.C., Barwood G.P., Windeler R., Absolute frequency measurement of the R(12) 26-0 and R(106) 28-0 transitions in ¹²⁷I₂ at lambda

= 543 nm, IEEE Trans. Instrum. Meas., 2006, 55, 876-880

Matsakis D., Arias E.F., Bauch A., Davis J., Gotoh T., Hosokawa M., Piester D., On optimizing the configuration of time-transfer links used to generate TAI, Proc. 20th EFTF, 2006, 448-454

Notcutt M., Ma L.-S., Ludlow A., Foreman S., Ye J., Hall J.L., A systematic study of thermal noise limitied stability of rigid Fabry-Perot cavities, CLEO Conf. 2006 (Long Beach, CA), Technical Digest, 2006, CD-Rom (file CMO2.pdf)

Notcutt M., Ma L.-S., Ludlow A.D., Foreman S.M., Ye J., Hall J.L., Contribution of thermal noise to frequency stability of rigid optical cavity via Hertz-linewidth lasers, Phys. Rev. A (Rapid Communications), 2006, 73, 031804

Petit G., Defraigne P., Warrington B., Uhrich P., Calibration of dual frequency GPS receivers for TAI, Proc. 20th EFTF, 2006, 455-459

Petit G., Jiang Z., Using a redundant time link system in TAI computation, Proc. 20th EFTF, 2006, 436-439

Wallerand J.-P., Robertsson L., Ma L.-S., Zucco M., Absolute frequency measurement of molecular iodine lines at 514.7 nm, interrogated by a frequency-doubled Yb-doped fibre laser, Metrologia, 2006, 43(3), 294-298