BULLETIN B 175 3 September 2002 Contents are described in the Explanatory Supplement available at http://hpiers.obspm.fr/eop-pc/ 1 - EARTH ORIENTATION PARAMETERS (IERS evaluation). The values in this section are samplings of section 2 given at five-day intervals. Date MJD x y UT1R-UTC UT1R-TAI dPsi dEpsilon 2002 " " s s 0.001" 0.001" (0h UTC) Final Bulletin B values. JUL 4 52459 .23002 .45264 -.230292 -32.230292 -56.5 -5.3 JUL 9 52464 .23307 .43631 -.231252 -32.231252 -58.4 -5.3 JUL 14 52469 .23920 .42132 -.231481 -32.231481 -57.7 -5.5 JUL 19 52474 .24392 .40804 -.231429 -32.231429 -59.1 -5.2 JUL 24 52479 .24667 .39404 -.230555 -32.230555 -59.6 -5.2 JUL 29 52484 .24769 .37678 -.228817 -32.228817 -59.0 -5.2 AUG 3 52489 .25302 .36148 -.226961 -32.226961 -61.6 -5.1 Preliminary extension, to be updated weekly in Bulletin A and monthly in Bulletin B. AUG 8 52494 .25792 .34735 -.225201 -32.225201 -60.8 -5.3 AUG 13 52499 .26067 .33366 -.224253 -32.224253 -62.3 -5.1 AUG 18 52504 .25975 .32025 -.224395 -32.224395 -63.0 -5.7 AUG 23 52509 .25672 .30535 -.224684 -32.224684 -61.8 -4.5 AUG 28 52514 .25453 .28847 -.225325 -32.225325 -62.8 -3.8 SEP 2 52519 .25168 .27289 -.226045 -32.226045 -63.7 -4.6 SEP 7 52524 .24499 .25704 -.227211 -32.227211 -60.3 -4.2 SEP 12 52529 .23625 .24127 -.228935 -32.228935 -61.8 -3.8 SEP 17 52534 .22551 .22600 -.231102 -32.231102 -61.2 -4.3 SEP 22 52539 .21336 .21151 -.233635 -32.233635 -59.9 -3.7 SEP 27 52544 .20002 .19797 -.236534 -32.236534 -60.3 -3.5 OCT 2 52549 .18567 .18548 -.239754 -32.239754 -59.5 -3.9 OCT 7 52554 .17044 .17414 -.243279 -32.243279 -58.8 -3.1 OCT 12 52559 .15446 .16403 -.247047 -32.247047 -59.9 -3.2 OCT 17 52564 .13782 .15520 -.251053 -32.251053 -57.8 -3.2 OCT 22 52569 .12063 .14775 -.255257 -32.255257 -57.4 -2.3 OCT 27 52574 .10302 .14170 -.259605 -32.259605 -57.3 -2.7 Note. In UT1R, the effects of zonal tides with periods shorter than 35 days are removed ; UT1-UT1R (smaller than 0.0025s in absolute value) should be added after quadratic interpolation of UT1R. Section 2 of this Bulletin gives the daily interpolation of x, y, UT1, duration of day, dPsi, and dEpsilon. IERS, B 175 (2) 2 - SMOOTHED VALUES OF X, Y, UT1, D, DPSI, DEPSILON (IERS EVALUATION) at one-day intervals. For smoothing characteristics, see Table2 in the explanatory supplement. The reference system is described in the 2001 IERS Annual Report. 2002 MJD x y UT1-UTC UT1-UT1R D dPsi dEpsilon (0 h UTC) " " s ms ms 0.001" 0.001" JUL 1 52456 .22817 .46161 -.229227 .388 .284 -56.1 -5.4 JUL 2 52457 .22880 .45845 -.229572 .239 .404 -56.3 -5.3 JUL 3 52458 .22947 .45548 -.230020 .049 .435 -56.4 -5.3 JUL 4 52459 .23002 .45264 -.230425 -.133 .391 -56.5 -5.3 JUL 5 52460 .23044 .44962 -.230787 -.261 .316 -57.0 -5.3 JUL 6 52461 .23084 .44633 -.231045 -.296 .168 -57.4 -5.3 JUL 7 52462 .23156 .44280 -.231116 -.210 .005 -57.8 -5.3 JUL 8 52463 .23237 .43950 -.231057 .006 -.104 -58.2 -5.3 JUL 9 52464 .23307 .43631 -.230921 .331 -.202 -58.4 -5.3 JUL 10 52465 .23403 .43325 -.230678 .708 -.310 -58.3 -5.3 JUL 11 52466 .23540 .43034 -.230335 1.051 -.270 -58.0 -5.4 JUL 12 52467 .23682 .42738 -.230169 1.261 -.068 -57.8 -5.4 JUL 13 52468 .23810 .42438 -.230219 1.260 .147 -57.6 -5.5 JUL 14 52469 .23920 .42132 -.230462 1.019 .350 -57.7 -5.5 JUL 15 52470 .24022 .41827 -.230898 .569 .528 -57.9 -5.4 JUL 16 52471 .24116 .41545 -.231483 -.006 .604 -58.2 -5.3 JUL 17 52472 .24197 .41275 -.232066 -.594 .524 -58.5 -5.3 JUL 18 52473 .24295 .41028 -.232496 -1.081 .382 -58.8 -5.2 JUL 19 52474 .24392 .40804 -.232809 -1.380 .173 -59.1 -5.2 JUL 20 52475 .24438 .40556 -.232836 -1.450 -.139 -59.4 -5.1 JUL 21 52476 .24478 .40268 -.232541 -1.300 -.417 -59.7 -5.1 JUL 22 52477 .24554 .39967 -.232026 -.983 -.582 -59.9 -5.1 JUL 23 52478 .24626 .39685 -.231405 -.578 -.664 -59.8 -5.1 JUL 24 52479 .24667 .39404 -.230726 -.172 -.701 -59.6 -5.2 JUL 25 52480 .24694 .39105 -.230023 .167 -.662 -59.2 -5.3 JUL 26 52481 .24692 .38783 -.229413 .391 -.514 -58.9 -5.4 JUL 27 52482 .24688 .38432 -.228996 .484 -.351 -58.7 -5.4 JUL 28 52483 .24719 .38054 -.228705 .453 -.247 -58.7 -5.3 JUL 29 52484 .24769 .37678 -.228490 .327 -.181 -59.0 -5.2 JUL 30 52485 .24853 .37317 -.228328 .149 -.162 -59.5 -5.1 JUL 31 52486 .24984 .36980 -.228149 -.032 -.226 -60.2 -5.1 AUG 1 52487 .25125 .36680 -.227860 -.167 -.311 -60.8 -5.0 AUG 2 52488 .25224 .36408 -.227516 -.217 -.369 -61.4 -5.0 AUG 3 52489 .25302 .36148 -.227115 -.155 -.470 -61.6 -5.1 AUG 4 52490 .25397 .35891 -.226576 .031 -.613 -61.6 -5.2 AUG 5 52491 .25499 .35628 -.225897 .330 -.718 -61.4 -5.2 AUG 6 52492 .25575 .35329 -.225159 .702 -.738 -61.2 -5.3 AUG 7 52493 .25670 .35015 -.224451 1.069 -.662 -61.0 -5.3 AUG 8 52494 .25792 .34735 -.223869 1.332 -.480 -60.8 -5.3 AUG 9 52495 .25906 .34473 -.223520 1.394 -.193 -60.7 -5.3 AUG 10 52496 .25994 .34220 -.223493 1.194 .126 -60.8 -5.3 AUG 11 52497 .26041 .33968 -.223757 .743 .388 -61.2 -5.3 AUG 12 52498 .26051 .33682 -.224231 .120 .544 -61.7 -5.3 AUG 13 52499 .26067 .33366 -.224798 -.545 .569 -62.3 -5.1 AUG 14 52500 .26088 .33076 -.225328 -1.116 .474 -62.5 -5.1 AUG 15 52501 .26080 .32814 -.225720 -1.489 .275 -62.7 -5.1 AUG 16 52502 .26059 .32552 -.225870 -1.612 .038 -62.9 -5.2 AUG 17 52503 .26026 .32292 -.225807 -1.495 -.154 -63.0 -5.4 AUG 18 52504 .25975 .32025 -.225586 -1.191 -.301 -63.0 -5.7 AUG 19 52505 .25912 .31748 -.225234 -.781 -.401 -62.6 -6.0 AUG 20 52506 .25848 .31461 -.224812 -.351 -.406 -62.1 -6.2 AUG 21 52507 .25784 .31168 -.224444 .023 -.281 -61.6 -6.2 AUG 22 52508 .25722 .30859 -.224263 .291 -.095 -62.0 -4.8 AUG 23 52509 .25672 .30535 -.224257 .427 .052 -61.8 -4.5 AUG 24 52510 .25625 .30204 -.224363 .433 .164 -61.8 -4.1 AUG 25 52511 .25557 .29865 -.224574 .333 .261 -62.0 -3.8 AUG 26 52512 .25491 .29518 -.224868 .168 .317 -62.2 -3.6 AUG 27 52513 .25455 .29162 -.225191 -.011 .307 -62.5 -3.6 AUG 28 52514 .25453 .28847 -.225476 -.151 .249 -62.8 -3.8 AUG 29 52515 .25463 .28551 -.225680 -.210 .166 -63.1 -4.0 IERS, B 175 (3) 3 - NORMAL VALUES OF THE EARTH ORIENTATION PARAMETERS AT FIVE-DAY INTERVALS (IERS evaluation). Raw normal values Uncertainties 2002 MJD x y UT1-UTC dPsi dEps x y UT1 dPsi dEps (0 h UTC) " " s 0.001" 0.001" 0.0001s 0.001" JUL 4 52459 .23002 .45264 -.230425 -56.65 -5.29 .02 .01 .02 .06 .02 JUL 9 52464 .23307 .43631 -.230923 -58.47 -5.25 .02 .02 .03 .13 .05 JUL 14 52469 .23921 .42133 -.230461 -57.59 -5.45 .01 .02 .02 .06 .02 JUL 19 52474 .24391 .40805 -.232810 -59.17 -5.16 .01 .02 .02 .12 .05 JUL 24 52479 .24667 .39404 -.230725 -59.59 -5.22 .01 .01 .02 .08 .03 JUL 29 52484 .24769 .37680 -.228491 -59.00 -5.23 .02 .02 .04 .16 .06 AUG 3 52489 .25302 .36148 -.227115 -61.60 -5.07 .02 .01 .03 .14 .05 AUG 8 52494 .25793 .34735 -.223871 -60.80 -5.30 .02 .02 .02 .09 .03 AUG 13 52499 .26067 .33368 -.224798 -62.31 -5.14 .01 .02 .02 .12 .04 AUG 18 52504 .25975 .32026 -.225586 -62.95 -5.67 .02 .02 .03 .19 .08 AUG 23 52509 .25673 .30536 -.224256 - - .01 .02 .03 - - AUG 28 52514 .25452 .28848 -.225479 - - .02 .02 .04 - - 4 - DURATION OF THE DAY AND ANGULAR VELOCITY OF THE EARTH (IERS evaluation). The data of this section are smoothed, with the same characteristics as UT1R in section 1. They are corrected for the effects of zonal tides with periods up to 35 days. Section 2 gives the daily interpolation of D. Date (0h UTC) DR OmegaR 2002 MJD s (microrad/s) JUL 4 52459 .00023 72.921 15127 JUL 9 52464 .00017 15133 JUL 14 52469 -.00001 15148 JUL 19 52474 -.00002 15148 JUL 24 52479 -.00032 15174 JUL 29 52484 -.00035 15176 5 - INFORMATION ON TIME SCALES No leap second will be introduced in UTC on 31 December 1999. All information concerning time scales : announcements of the leap seconds (Bulletin C) and of the value of DUT1 (Bulletin D) can be found in our web/ftp site : World Wide Web : http://hpiers.obspm.fr Anonymous ftp : hpiers.obspm.fr or 145.238.100.28 IERS, B 175 (4) 6 - SUMMARY OF CONTRIBUTED EARTH ORIENTATION PARAMETERS SERIES This section gives the average precision of the individual series contri- buting to the combination and their average agreement with it. The periods covered start at the beginning of the first month in Section 1 and end with the last available value in the individual series considered. The complete list of measurements is available in the electronic-mailed version of Bulletin B in section 7. Units : 0.001" for x,y , 0.0001s for UT1, 0.001" for dPsi, dEpsi. -------------------------------------------------------------------------------- EOP series Mean formal uncertainty Periods covered Weighted RMS agreement with Bulletin B -------------------------------------------------------------------------------- x y UT D dPsi dEps Data Number VLBI EOP(AUS) 1 R 01 .14 .13 .04 - .21 .09 12 52457.21 to 52495.27 .20 .17 .05 - .20 .06 EOP(BKG) 1 R 03 .13 .11 .04 - .19 .08 14 52457.00 to 52502.00 .21 .30 .09 - .30 .09 EOP(BKG) 1 R 02 - - .10 - - - 33 52456.79 to 52513.79 - - .11 - - - EOP(GSFC) 2 R 02 .11 .10 .03 - .22 .08 14 52457.20 to 52502.27 .24 .21 .06 - .22 .08 EOP(GSFC) 2 R 01 - - .13 - - - 33 52456.79 to 52513.79 - - .14 - - - EOP(IAA) 2 R 01 .08 .08 .03 - .17 .07 13 52457.21 to 52499.21 .24 .27 .12 - .17 .03 EOP(IAA) 2 R 02 - - .10 - - - 32 52456.79 to 52512.79 - - .10 - - - EOP(SPBU) 1 R 02 .13 .12 .04 - .23 .09 12 52457.21 to 52495.27 .30 .22 .05 - .20 .11 EOP(SPBU) 2 R 01 - - .12 - - - 31 52456.79 to 52509.81 - - .10 - - - EOP(USNO) 2 R 01 .12 .10 .04 - .21 .08 14 52457.21 to 52502.27 .18 .19 .08 - .22 .08 GPS EOP(CODE) 98 P 01 .01 .01 - .31 - - 59 52456.50 to 52514.50 .05 .17 - .21 - - EOP(EMR) 96 P 03 .03 .03 - .04 - - 55 52456.50 to 52510.50 .11 .21 - .29 - - EOP(ESOC) 96 P 01 .14 .14 - .12 - - 59 52456.50 to 52514.50 .13 .14 - .25 - - EOP(GFZ) 96 P 02 .01 .01 - .02 - - 59 52456.50 to 52514.50 .07 .08 - .26 - - EOP(IAA) 1 P 01 .03 .03 - .06 - - 59 52456.50 to 52514.50 .16 .14 - .31 - - EOP(JPL) 96 P 03 .03 .03 - .13 - - 48 52456.50 to 52503.50 .06 .10 - .29 - - EOP(NOAA) 96 P 01 .02 .02 - .11 - - 54 52456.50 to 52509.50 .23 .42 - .67 - - EOP(SIO) 96 P 01 .09 .09 - .21 - - 56 52456.50 to 52511.50 .11 .12 - .25 - - EOP(IGS F)95 P 02 .03 .03 .09 .06 - - 48 52456.50 to 52503.50 .03 .11 .22 .19 - - EOP(IGS R)96 P 02 .04 .04 .24 .07 - - 59 52456.50 to 52514.50 .08 .17 .66 .23 - - EOP(IERS) 97 P 01 .04 .04 .19 .13 - - 59 52456.50 to 52514.50 .02 .02 .23 .20 - - SLR EOP(CGS) 97 L 02 .18 .20 .18 - - - 52 52456.00 to 52507.00 .60 .56 1.66 - - - EOP(CSR) 95 L 01 .25 .27 .23 - - - 19 52458.10 to 52511.91 .45 .32 .83 - - - EOP(DUT) 98 L 01 .09 .10 - - - - 17 52458.00 to 52515.00 .43 .40 - - - - EOP(IAA) 2 L 01 .04 .04 .03 .03 - - 60 52456.00 to 52515.00 .14 .12 .30 .18 - - EOP(MCC) 97 L 01 .05 .06 - .08 - - 53 52456.00 to 52508.00 .15 .17 - .51 - - Bulletin A EOP(NEOS) 97 C 01 .05 .07 .09 - - - 60 52456.00 to 52515.00 .06 .08 .16 - - - 7 - INDIVIDUAL SERIES OF EARTH ORIENTATION PARAMETERS Operational series used for Bulletin B completion are now available on our web ftp site: http://hpiers.obspm.fr/eop-pc/products/operational.html For this reason, section 7 has been removed. We hope there is no inconvenience.