TP Data Published by BIPM in 2008

Coordinated Universal Time UTC and its local realization UTC(TP). Computed values of [UTC−UTC(TP)] and uncertainties valid for the period of this Circular. From 2006 January 1, 0h UTC, TAI−UTC = 33 s. From 2009 January 1, 0h UTC, TAI−UTC = 34 s.

UTC−UTC(TP), ns
Date 2007/08 0h UTC DEC 30 JAN 4 JAN 9 JAN 14 JAN 19 JAN 24 JAN 29 Uncertainty/ns
MJD 54464 54469 54474 54479 54484 54489 54494 uA uB u
  7.2 11.3 14.8 4.5 −3.4 −7.1 −8.0 0.9 5.1 5.2
Date 2008 0h UTC JAN 29 FEB 3 FEB 8 FEB 13 FEB 18 FEB 23 FEB 28 Uncertainty/ns
MJD 54494 54499 54504 54509 54514 54519 54524 uA uB u
  −8.0 −15.0 −20.2 −22.6 −21.6 −14.6 −1.8 0.9 5.1 5.2
Date 2008 0h UTC FEB 28 MAR 4 MAR 9 MAR 14 MAR 19 MAR 24 MAR 29 Uncertainty/ns
MJD 54524 54529 54534 54539 54544 54549 54554 uA uB u
  −1.8 4.8 20.5 31.8 29.0 34.0 39.8 0.9 5.1 5.2
Date 2008 0h UTC MAR 29 APR 3 APR 8 APR 13 APR 18 APR 23 APR 28 Uncertainty/ns
MJD 54554 54559 54564 54569 54574 54579 54584 uA uB u
  39.8 43.3 45.5 54.2 59.9 52.2 48.0 0.9 5.1 5.2
Date 2008 0h UTC APR 28 MAY 3 MAY 8 MAY 13 MAY 18 MAY 23 MAY 28 Uncertainty/ns
MJD 54584 54589 54594 54599 54604 54609 54614 uA uB u
  48.0 48.4 45.3 39.2 37.5 34.2 35.9 0.9 5.1 5.2
Date 2008 0h UTC MAY 28 JUN 2 JUN 7 JUN 12 JUN 17 JUN 22 JUN 27 Uncertainty/ns
MJD 54614 54619 54624 54629 54634 54639 54644 uA uB u
  35.9 42.1 43.0 51.2 46.7 45.2 50.0 0.9 5.1 5.2
Date 2008 0h UTC JUN 27 JUL 2 JUL 7 JUL 12 JUL 17 JUL 22 JUL 27 Uncertainty/ns
MJD 54644 54649 54654 54659 54664 54669 54674 uA uB u
  50.0 49.2 53.3 60.6 65.1 64.0 57.2 0.9 5.1 5.2
Date 2008 0h UTC AUG 1 AUG 6 AUG 11 AUG 16 AUG 21 AUG 26 AUG 31 Uncertainty/ns
MJD 54679 54684 54689 54694 54699 54704 54709 uA uB u
  53.0 49.8 47.0 46.7 36.3 23.8 13.0 0.9 5.1 5.2
Date 2008 0h UTC AUG 31 SEP 5 SEP 10 SEP 15 SEP 20 SEP 25 SEP 30 Uncertainty/ns
MJD 54709 54714 54719 54724 54729 54734 54739 uA uB u
  13.0 4.9 −1.4 4.9 5.6 11.3 10.1 0.9 5.1 5.2
Date 2008 0h UTC SEP 30 OCT 5 OCT 10 OCT 15 OCT 20 OCT 25 OCT 30 Uncertainty/ns
MJD 54739 54744 54749 54754 54759 54764 54769 uA uB u
  10.1 19.6 22.1 26.2 27.7 24.6 23.7 0.9 5.1 5.2
Date 2008 0h UTC OCT 30 NOV 4 NOV 9 NOV 14 NOV 19 NOV 24 NOV 29 Uncertainty/ns
MJD 54769 54774 54779 54784 54789 54794 54799 uA uB u
  23.7 18.1 20.0 16.8 12.6 16.9 11.6 0.9 5.1 5.2
Date 2008 0h UTC NOV 29 DEC 4 DEC 9 DEC 14 DEC 19 DEC 24 DEC 29 Uncertainty/ns
MJD 54799 54804 54809 54814 54819 54824 54829 uA uB u
  11.6 7.1 4.6 0.0 1.3 0.4 −0.6 0.9 5.1 5.2

Monthly Clock Rates

Monthly rates of TAI−clock for intervals of one month ending at the given dates (unit is ns/day, 0.00 denotes that the clock was not used).

Lab Clock 54614 54644 54674 54709 54739 54769 54799 54829
TP 35 326 −56.99 −56.83 −58.93 −58.30 −58.47 −60.64 −61.90 −61.26
35 1227 11.96 12.38 13.59 13.00 11.26 1 1 1
Telefónica O2 36 154 9.89 12.09 11.81 10.40 11.00 11.44 11.39 12.47
35 163 19.73 20.09 20.18 20.38 20.31 20.08 20.40 19.64

Relative Clock Weights

Relative weights (in percent) of the clocks for intervals of one month ending at the given dates.

Lab Clock 54614 54644 54674 54709 54739 54769 54799 54829
TP 35 326 0.003 0.008 0.012 0.012 0.011 0.011 0.010 0.011
35 1227 0.079 0.058 0.044 0.042 0.052 1 1 1
Telefónica O2 36 154 0.104 0.110 0.135 0.211 0.206 0.211 0.278 0.252
35 163 0.561 0.405 0.344 0.309 0.266 0.257 0.245 0.256

1 In repair