BULLETIN B 188 2 October 2003 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 2003 " " s s 0.001" 0.001" (0h UTC) Final Bulletin B values. AUG 3 52854 .22315 .47720 -.354031 -32.354031 -60.5 -4.9 AUG 8 52859 .23224 .46366 -.352903 -32.352903 -62.2 -4.7 AUG 13 52864 .24137 .45208 -.352044 -32.352044 -61.3 -5.0 AUG 18 52869 .24919 .43865 -.352008 -32.352008 -62.6 -4.4 AUG 23 52874 .25598 .42489 -.351550 -32.351550 -63.3 -4.9 AUG 28 52879 .26127 .40907 -.350844 -32.350844 -62.5 -4.8 SEP 2 52884 .26561 .39436 -.351290 -32.351290 -63.3 -4.5 Preliminary extension, to be updated weekly in Bulletin A and monthly in Bulletin B. SEP 7 52889 .26513 .37740 -.351913 -32.351913 -62.8 -4.8 SEP 12 52894 .26457 .36126 -.352191 -32.352191 -63.5 -3.8 SEP 17 52899 .26410 .34591 -.352806 -32.352806 -63.6 -4.5 SEP 22 52904 .26259 .32976 -.353966 -32.353966 -62.2 -3.8 SEP 27 52909 .25964 .31402 -.355125 -32.355125 -61.9 -2.8 OCT 2 52914 .25765 .30099 -.356442 -32.356442 -61.9 -3.4 OCT 7 52919 .25298 .28619 -.358028 -32.358028 -59.6 -3.4 OCT 12 52924 .24718 .27175 -.360249 -32.360249 -59.6 -2.5 OCT 17 52929 .24050 .25765 -.362934 -32.362934 -59.2 -3.1 OCT 22 52934 .23288 .24406 -.365925 -32.365925 -57.6 -2.8 OCT 27 52939 .22432 .23095 -.369099 -32.369099 -58.7 -2.1 NOV 1 52944 .21488 .21837 -.372379 -32.372379 -57.8 -2.4 NOV 6 52949 .20459 .20638 -.375744 -32.375744 -56.4 -1.7 NOV 11 52954 .19353 .19499 -.379124 -32.379124 -56.5 -1.4 NOV 16 52959 .18175 .18425 -.382511 -32.382511 -55.2 -1.9 NOV 21 52964 .16933 .17417 -.385868 -32.385868 -54.7 -1.1 NOV 26 52969 .15636 .16480 -.389179 -32.389179 -56.0 -.9 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 188 (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 2002 IERS Annual Report. 2003 MJD x y UT1-UTC UT1-UT1R D dPsi dEpsilon (0 h UTC) " " s ms ms 0.001" 0.001" AUG 3 52854 .22315 .47720 -.353720 .311 .401 -60.5 -4.9 AUG 4 52855 .22483 .47473 -.354084 -.268 .322 -60.9 -5.1 AUG 5 52856 .22650 .47231 -.354324 -.740 .153 -61.3 -4.7 AUG 6 52857 .22823 .46960 -.354366 -1.012 -.071 -61.7 -4.6 AUG 7 52858 .23023 .46658 -.354178 -1.042 -.317 -62.0 -4.6 AUG 8 52859 .23224 .46366 -.353749 -.845 -.512 -62.2 -4.7 AUG 9 52860 .23412 .46103 -.353186 -.498 -.595 -62.2 -4.7 AUG 10 52861 .23598 .45883 -.352597 -.108 -.563 -62.0 -4.8 AUG 11 52862 .23779 .45676 -.352094 .212 -.422 -61.8 -4.9 AUG 12 52863 .23960 .45446 -.351773 .381 -.209 -61.5 -4.9 AUG 13 52864 .24137 .45208 -.351678 .366 .009 -61.3 -5.0 AUG 14 52865 .24316 .44976 -.351777 .188 .166 -61.3 -4.9 AUG 15 52866 .24471 .44742 -.351987 -.100 .289 -61.5 -4.7 AUG 16 52867 .24605 .44473 -.352330 -.422 .360 -61.8 -4.5 AUG 17 52868 .24762 .44171 -.352685 -.708 .296 -62.2 -4.4 AUG 18 52869 .24919 .43865 -.352904 -.896 .120 -62.6 -4.4 AUG 19 52870 .25072 .43543 -.352914 -.945 -.088 -63.0 -4.4 AUG 20 52871 .25233 .43238 -.352725 -.834 -.274 -63.2 -4.5 AUG 21 52872 .25384 .42968 -.352371 -.566 -.447 -63.3 -4.7 AUG 22 52873 .25505 .42726 -.351844 -.167 -.578 -63.4 -4.8 AUG 23 52874 .25598 .42489 -.351234 .316 -.615 -63.3 -4.9 AUG 24 52875 .25702 .42202 -.350638 .820 -.613 -63.3 -5.0 AUG 25 52876 .25831 .41884 -.350036 1.263 -.563 -63.1 -5.0 AUG 26 52877 .25935 .41566 -.349541 1.560 -.376 -62.9 -5.0 AUG 27 52878 .26016 .41232 -.349306 1.635 -.074 -62.7 -4.9 AUG 28 52879 .26127 .40907 -.349398 1.446 .284 -62.5 -4.8 AUG 29 52880 .26241 .40613 -.349859 1.010 .592 -62.4 -4.7 AUG 30 52881 .26342 .40329 -.350546 .405 .746 -62.4 -4.7 AUG 31 52882 .26449 .40045 -.351304 -.241 .733 -62.7 -4.6 SEP 1 52883 .26534 .39744 -.351967 -.790 .574 -63.0 -4.6 SEP 2 52884 .26561 .39436 -.352422 -1.132 .337 -63.3 -4.5 SEP 3 52885 .26554 .39119 -.352634 -1.212 .080 -63.5 -4.5 SEP 4 52886 .26549 .38790 -.352599 -1.043 -.152 -63.5 -4.5 SEP 5 52887 .26532 .38443 -.352362 -.697 -.274 -63.3 -4.6 SEP 6 52888 .26519 .38084 -.352089 -.281 -.289 -63.1 -4.7 SEP 7 52889 .26513 .37740 -.351820 .093 -.257 -62.8 -4.8 SEP 8 52890 .26498 .37419 -.351598 .336 -.134 -62.7 -4.8 SEP 9 52891 .26478 .37111 -.351560 .400 .085 -62.7 -4.7 SEP 10 52892 .26464 .36782 -.351759 .285 .270 -62.9 -4.4 SEP 11 52893 .26472 .36451 -.352081 .033 .372 -63.2 -4.1 SEP 12 52894 .26457 .36126 -.352477 -.286 .396 -63.5 -3.8 SEP 13 52895 .26431 .35793 -.352848 -.597 .340 -63.7 -3.6 SEP 14 52896 .26429 .35471 -.353136 -.829 .256 -63.8 -3.6 SEP 15 52897 .26432 .35173 -.353346 -.928 .163 -63.7 -3.8 SEP 16 52898 .26424 .34881 -.353455 -.866 .047 -63.6 -4.2 SEP 17 52899 .26410 .34591 -.353443 -.637 -.071 -63.6 -4.5 SEP 18 52900 .26400 .34291 -.353324 -.263 -.187 -63.5 -4.8 SEP 19 52901 .26375 .33976 -.353088 .214 -.267 -63.4 -4.9 SEP 20 52902 .26312 .33639 -.352813 .734 -.288 -63.2 -4.9 SEP 21 52903 .26255 .33290 -.352539 1.222 -.237 -62.9 -4.8 SEP 22 52904 .26259 .32976 -.352369 1.598 -.053 -62.2 -3.8 SEP 23 52905 .26265 .32707 -.352459 1.776 .229 -61.8 -3.6 SEP 24 52906 .26202 .32414 -.352843 1.693 .488 -61.5 -3.3 IERS, B 188 (3) 3 - NORMAL VALUES OF THE EARTH ORIENTATION PARAMETERS AT FIVE-DAY INTERVALS (IERS evaluation). Raw normal values Uncertainties 2003 MJD x y UT1-UTC dPsi dEps x y UT1 dPsi dEps (0 h UTC) " " s 0.001" 0.001" 0.0001s 0.001" AUG 3 52854 .22314 .47720 -.353716 -60.62 -5.36 .01 .01 .01 .05 .02 AUG 8 52859 .23223 .46367 -.353749 -62.13 -4.75 .01 .01 .02 .08 .03 AUG 13 52864 .24137 .45207 -.351677 -61.36 -5.00 .01 .02 .02 .07 .03 AUG 18 52869 .24919 .43866 -.352905 -62.68 -4.38 .01 .01 .02 .06 .03 AUG 23 52874 .25598 .42489 -.351234 -63.09 -4.91 .01 .01 .02 .12 .05 AUG 28 52879 .26127 .40907 -.349395 -62.43 -4.87 .01 .02 .02 .06 .03 SEP 2 52884 .26561 .39435 -.352423 -63.39 -4.56 .02 .02 .02 .06 .03 SEP 7 52889 .26514 .37740 -.351818 -62.84 -4.79 .01 .02 .01 .04 .02 SEP 12 52894 .26455 .36126 -.352475 - - .02 .02 .02 - - SEP 17 52899 .26410 .34592 -.353444 -63.56 -4.50 .01 .01 .02 .13 .05 SEP 22 52904 .26259 .32976 -.352368 - - .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 2003 MJD s (microrad/s) AUG 3 52854 -.00020 72.921 15164 AUG 8 52859 -.00023 15166 AUG 13 52864 -.00010 15155 AUG 18 52869 -.00001 15147 AUG 23 52874 -.00011 15156 AUG 28 52879 -.00004 15150 SEP 2 52884 .00013 15136 5 - INFORMATION ON TIME SCALES No leap second was introduced in UTC on 30 June 2003. No leap second will be introduced in UTC on 31 December 2003. 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 188 (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 .34 .47 .24 - .11 .04 8 52856.21 to 52887.27 .29 .26 .16 - .19 .07 EOP(BKG) 3 R 03 .16 .13 .05 - .24 .10 12 52856.00 to 52891.00 .23 .15 .05 - .19 .07 EOP(BKG) 3 R 02 - - .12 - - - 29 52855.79 to 52905.79 - - .08 - - - EOP(GSFC) 3 R 06 .09 .08 .03 - .19 .08 13 52856.21 to 52898.21 .23 .26 .11 - .19 .06 EOP(GSFC) 3 R 05 - - .11 - - - 29 52855.79 to 52905.79 - - .16 - - - EOP(IAA) 3 R 04 .08 .07 .03 - .12 .05 11 52856.21 to 52891.20 .16 .09 .04 - .12 .05 EOP(IAA) 3 R 03 - - .09 - - - 34 52855.79 to 52905.79 - - .13 - - - EOP(SPBU) 2 R 01 - - .11 - - - 26 52855.79 to 52899.79 - - .09 - - - EOP(IVS) 0 R 01 .05 .05 .02 - .06 .04 11 52856.00 to 52891.00 .12 .15 .06 - .09 .05 GPS EOP(CODE) 98 P 01 .01 .01 - .30 - - 52 52854.50 to 52905.50 .05 .06 - .20 - - EOP(EMR) 96 P 03 .03 .04 - .04 - - 52 52854.50 to 52905.50 .08 .08 - .24 - - EOP(ESOC) 96 P 01 .02 .02 - .02 - - 52 52854.50 to 52905.50 .11 .09 - .24 - - EOP(GFZ) 96 P 02 .01 .01 - .01 - - 52 52854.50 to 52905.50 .04 .07 - .28 - - EOP(IAA) 1 P 01 .03 .03 - .06 - - 52 52854.50 to 52905.50 .20 .13 - .36 - - EOP(JPL) 96 P 03 .02 .03 - .13 - - 52 52854.50 to 52905.50 .05 .06 - .41 - - EOP(NOAA) 96 P 01 .03 .02 - .02 - - 49 52854.50 to 52902.50 .22 .21 - .74 - - EOP(SIO) 96 P 01 .05 .05 - .13 - - 52 52854.50 to 52905.50 .12 .09 - .24 - - EOP(IGS F)95 P 02 .02 .02 .08 .05 - - 42 52854.50 to 52895.50 .06 .04 .36 .21 - - EOP(IGS R)96 P 02 .03 .04 .18 .06 - - 52 52854.50 to 52905.50 .08 .04 .64 .22 - - EOP(IERS) 97 P 01 .03 .04 .19 .13 - - 52 52854.50 to 52905.50 .02 .02 .36 .20 - - SLR EOP(ASI) 3 L 02 .06 .06 .00 - - - 52 52854.50 to 52905.50 .28 .32 .00 - - - EOP(DUT) 98 L 01 .08 .08 - - - - 7 52882.00 to 52888.00 .66 .54 - - - - EOP(IAA) 2 L 01 .04 .04 .02 .02 - - 53 52854.00 to 52906.00 .16 .13 .33 .15 - - EOP(MCC) 97 L 01 .06 .06 - .10 - - 26 52854.00 to 52879.00 .17 .14 - .55 - - Bulletin A EOP(NEOS) 97 C 01 .05 .07 .07 - - - 53 52854.00 to 52906.00 .05 .06 .25 - - -