BULLETIN B 174 1 August 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. JUN 4 52429 .16530 .52167 -.231897 -32.231897 -51.8 -5.3 JUN 9 52434 .18071 .51345 -.231316 -32.231316 -53.8 -5.2 JUN 14 52439 .19322 .50392 -.229834 -32.229834 -53.9 -5.5 JUN 19 52444 .20750 .49273 -.228346 -32.228346 -53.9 -5.2 JUN 24 52449 .21823 .48184 -.228048 -32.228048 -55.3 -4.8 JUN 29 52454 .22601 .46718 -.229274 -32.229274 -55.2 -5.7 JUL 4 52459 .23002 .45264 -.230292 -32.230292 -56.5 -5.3 Preliminary extension, to be updated weekly in Bulletin A and monthly in Bulletin B. JUL 9 52464 .23307 .43619 -.231257 -32.231257 -58.5 -5.2 JUL 14 52469 .23921 .42131 -.231481 -32.231481 -57.3 -5.7 JUL 19 52474 .24390 .40806 -.231428 -32.231428 -60.5 -4.4 JUL 24 52479 .24669 .39406 -.230552 -32.230552 -59.9 -5.0 JUL 29 52484 .24766 .37685 -.228835 -32.228835 -59.7 -4.1 AUG 3 52489 .25085 .35914 -.227192 -32.227192 -59.6 -4.4 AUG 8 52494 .25015 .34057 -.226231 -32.226231 -59.9 -4.8 AUG 13 52499 .24809 .32193 -.225826 -32.225826 -59.7 -4.3 AUG 18 52504 .24464 .30337 -.225903 -32.225903 -61.7 -4.5 AUG 23 52509 .23980 .28507 -.226353 -32.226353 -60.4 -4.6 AUG 28 52514 .23355 .26714 -.227177 -32.227177 -60.6 -4.0 SEP 2 52519 .22591 .24970 -.228336 -32.228336 -61.7 -4.4 SEP 7 52524 .21694 .23287 -.229847 -32.229847 -60.3 -4.2 SEP 12 52529 .20667 .21675 -.231709 -32.231709 -61.8 -3.8 SEP 17 52534 .19518 .20145 -.233921 -32.233921 -61.2 -4.3 SEP 22 52539 .18252 .18707 -.236485 -32.236485 -59.9 -3.7 SEP 27 52544 .16878 .17370 -.239361 -32.239361 -60.3 -3.5 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 174 (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" JUN 4 52429 .16530 .52167 -.231612 .285 .239 -51.8 -5.3 JUN 5 52430 .16834 .52003 -.231837 .122 .173 -52.3 -5.1 JUN 6 52431 .17145 .51843 -.231938 -.071 .068 -52.9 -5.0 JUN 7 52432 .17453 .51674 -.231957 -.246 -.019 -53.5 -5.0 JUN 8 52433 .17765 .51506 -.231884 -.353 -.138 -53.8 -5.1 JUN 9 52434 .18071 .51345 -.231669 -.352 -.300 -53.8 -5.2 JUN 10 52435 .18357 .51178 -.231279 -.218 -.472 -53.8 -5.3 JUN 11 52436 .18612 .50989 -.230730 .047 -.615 -53.8 -5.4 JUN 12 52437 .18842 .50780 -.230066 .409 -.701 -53.8 -5.5 JUN 13 52438 .19077 .50575 -.229355 .800 -.697 -53.9 -5.5 JUN 14 52439 .19322 .50392 -.228703 1.131 -.580 -53.9 -5.5 JUN 15 52440 .19591 .50218 -.228222 1.315 -.377 -53.7 -5.5 JUN 16 52441 .19910 .50009 -.227963 1.289 -.145 -53.4 -5.5 JUN 17 52442 .20229 .49776 -.227931 1.033 .068 -53.3 -5.5 JUN 18 52443 .20494 .49522 -.228079 .580 .220 -53.4 -5.4 JUN 19 52444 .20750 .49273 -.228338 .008 .310 -53.9 -5.2 JUN 20 52445 .21024 .49056 -.228660 -.573 .344 -54.5 -5.0 JUN 21 52446 .21263 .48867 -.228989 -1.050 .305 -55.1 -4.8 JUN 22 52447 .21463 .48668 -.229248 -1.330 .170 -55.5 -4.7 JUN 23 52448 .21655 .48434 -.229326 -1.375 -.008 -55.5 -4.7 JUN 24 52449 .21823 .48184 -.229247 -1.199 -.118 -55.3 -4.8 JUN 25 52450 .21958 .47914 -.229116 -.867 -.150 -55.0 -5.0 JUN 26 52451 .22090 .47626 -.228977 -.467 -.152 -54.8 -5.2 JUN 27 52452 .22253 .47324 -.228837 -.083 -.105 -54.7 -5.5 JUN 28 52453 .22442 .47006 -.228784 .218 .015 -54.9 -5.6 JUN 29 52454 .22601 .46718 -.228875 .399 .117 -55.2 -5.7 JUN 30 52455 .22726 .46449 -.229016 .452 .180 -55.7 -5.6 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 .392 -56.5 -5.3 JUL 5 52460 .23044 .44962 -.230789 -.261 .316 -56.9 -5.2 JUL 6 52461 .23085 .44632 -.231045 -.296 .169 -57.3 -5.2 JUL 7 52462 .23155 .44281 -.231121 -.210 .011 -57.8 -5.2 JUL 8 52463 .23238 .43951 -.231069 .006 -.104 -58.3 -5.2 JUL 9 52464 .23307 .43619 -.230926 .331 -.207 -58.5 -5.2 JUL 10 52465 .23404 .43316 -.230680 .708 -.312 -58.4 -5.2 JUL 11 52466 .23540 .43037 -.230335 1.051 -.271 -58.1 -5.3 JUL 12 52467 .23682 .42732 -.230169 1.261 -.068 -57.7 -5.4 JUL 13 52468 .23810 .42431 -.230218 1.260 .146 -57.4 -5.6 JUL 14 52469 .23921 .42131 -.230462 1.019 .355 -57.3 -5.7 JUL 15 52470 .24022 .41828 -.230907 .569 .531 -57.6 -5.6 JUL 16 52471 .24116 .41540 -.231489 -.006 .599 -58.1 -5.4 JUL 17 52472 .24199 .41272 -.232066 -.594 .520 -58.9 -5.0 JUL 18 52473 .24295 .41027 -.232494 -1.081 .382 -59.7 -4.6 JUL 19 52474 .24390 .40806 -.232808 -1.380 .172 -60.5 -4.4 JUL 20 52475 .24437 .40558 -.232833 -1.450 -.143 -61.1 -4.4 JUL 21 52476 .24475 .40265 -.232533 -1.300 -.412 -61.3 -4.6 JUL 22 52477 .24547 .39969 -.232032 -.983 -.574 -60.7 -4.5 JUL 23 52478 .24623 .39684 -.231412 -.578 -.668 -60.4 -4.8 JUL 24 52479 .24669 .39406 -.230723 -.172 -.702 -59.9 -5.0 IERS, B 174 (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" JUN 4 52429 .16525 .52166 -.231607 -51.77 -5.31 .02 .02 .02 .07 .02 JUN 9 52434 .18070 .51345 -.231669 -53.85 -5.18 .01 .02 .02 .06 .02 JUN 14 52439 .19322 .50392 -.228703 -54.05 -5.53 .01 .01 .03 .11 .04 JUN 19 52444 .20751 .49275 -.228340 -53.85 -5.21 .01 .02 .02 .08 .03 JUN 24 52449 .21823 .48186 -.229246 -55.33 -4.77 .02 .01 .02 .10 .04 JUN 29 52454 .22601 .46719 -.228875 -55.22 -5.67 .02 .01 .03 .12 .05 JUL 4 52459 .23002 .45267 -.230425 -56.55 -5.25 .02 .01 .02 .06 .02 JUL 9 52464 .23307 .43621 -.230923 -58.52 -5.20 .02 .02 .03 .13 .05 JUL 14 52469 .23921 .42135 -.230461 -57.33 -5.67 .01 .02 .02 .06 .02 JUL 19 52474 .24389 .40808 -.232809 - - .01 .02 .03 - - JUL 24 52479 .24670 .39406 -.230723 - - .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) JUN 4 52429 .00011 72.921 15137 JUN 9 52434 -.00024 15167 JUN 14 52439 -.00031 15173 JUN 19 52444 -.00029 15171 JUN 24 52449 .00015 15134 JUN 29 52454 .00024 15127 JUL 4 52459 .00023 15127 5 - INFORMATION ON TIME SCALES No leap second will be introduced in UTC on 31 December 2002. 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 174 (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 .12 .10 .04 - .17 .07 13 52429.21 to 52471.21 .23 .14 .08 - .15 .09 EOP(BKG) 1 R 03 .11 .10 .04 - .17 .07 13 52429.00 to 52471.00 .23 .22 .08 - .23 .07 EOP(BKG) 1 R 02 - - .12 - - - 27 52429.79 to 52478.79 - - .10 - - - EOP(GSFC) 2 R 02 .10 .08 .03 - .19 .07 13 52429.20 to 52471.21 .24 .13 .07 - .19 .05 EOP(GSFC) 2 R 01 - - .16 - - - 28 52429.79 to 52478.79 - - .15 - - - EOP(IAA) 2 R 01 .08 .07 .03 - .16 .06 13 52429.21 to 52471.21 .24 .20 .10 - .14 .03 EOP(IAA) 2 R 02 - - .11 - - - 28 52429.79 to 52478.79 - - .08 - - - EOP(SPBU) 1 R 02 .12 .10 .04 - .21 .08 12 52429.21 to 52467.27 .22 .19 .07 - .16 .10 EOP(SPBU) 2 R 01 - - .15 - - - 26 52429.79 to 52474.81 - - .09 - - - EOP(USNO) 2 R 01 .10 .08 .04 - .17 .07 13 52429.21 to 52471.21 .15 .18 .08 - .18 .08 GPS EOP(CODE) 98 P 01 .01 .01 - .29 - - 50 52429.50 to 52478.50 .04 .15 - .24 - - EOP(EMR) 96 P 03 .03 .03 - .04 - - 47 52429.50 to 52475.50 .09 .18 - .37 - - EOP(ESOC) 96 P 01 .02 .02 - .02 - - 50 52429.50 to 52478.50 .12 .14 - .34 - - EOP(GFZ) 96 P 02 .03 .03 - .02 - - 50 52429.50 to 52478.50 .08 .10 - .33 - - EOP(IAA) 1 P 01 .03 .03 - .06 - - 50 52429.50 to 52478.50 .17 .13 - .32 - - EOP(JPL) 96 P 03 .02 .03 - .12 - - 47 52429.50 to 52475.50 .06 .11 - .34 - - EOP(NOAA) 96 P 01 .02 .02 - .10 - - 50 52429.50 to 52478.50 .17 .37 - .60 - - EOP(SIO) 96 P 01 .09 .09 - .20 - - 50 52429.50 to 52478.50 .10 .14 - .22 - - EOP(IGS F)95 P 02 .03 .03 .10 .07 - - 40 52429.50 to 52468.50 .03 .10 .20 .24 - - EOP(IGS R)96 P 02 .04 .04 .28 .07 - - 50 52429.50 to 52478.50 .06 .17 .65 .20 - - EOP(IERS) 97 P 01 .04 .04 .21 .14 - - 50 52429.50 to 52478.50 .02 .03 .25 .21 - - SLR EOP(CGS) 97 L 02 .18 .20 .17 - - - 51 52429.00 to 52479.00 .45 .50 1.53 - - - EOP(CSR) 95 L 01 .26 .28 .23 - - - 17 52431.15 to 52478.84 .48 .62 .97 - - - EOP(DUT) 98 L 01 .09 .10 - - - - 14 52431.00 to 52479.00 .31 .41 - - - - EOP(IAA) 2 L 01 .04 .04 .02 .03 - - 51 52429.00 to 52479.00 .16 .16 .35 .18 - - EOP(MCC) 97 L 01 .05 .06 - .07 - - 51 52429.00 to 52479.00 .23 .18 - .43 - - Bulletin A EOP(NEOS) 97 C 01 .07 .06 .10 - - - 51 52429.00 to 52479.00 .06 .07 .19 - - - 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.