BULLETIN B 203 6 january 2005 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 2004/2005 " " s s 0.001" 0.001" (0h UTC) Final Bulletin B values. NOV 5 53314 .20773 .35209 -.471908 -32.471908 -58.1 -3.3 NOV 10 53319 .20802 .34085 -.475218 -32.475218 -58.3 -2.5 NOV 15 53324 .20773 .32934 -.479006 -32.479006 -58.2 -2.4 NOV 20 53329 .20597 .31776 -.482559 -32.482559 -57.1 -2.5 NOV 25 53334 .20181 .30663 -.485802 -32.485802 -56.7 -1.5 NOV 30 53339 .19859 .29566 -.488745 -32.488745 -56.3 -2.1 DEC 5 53344 .19057 .28426 -.491303 -32.491303 -54.8 -2.1 Preliminary extension, to be updated weekly in Bulletin A and monthly in Bulletin B. DEC 10 53349 .18236 .27441 -.494169 -32.494169 -55.3 -1.6 DEC 15 53354 .17322 .26425 -.497042 -32.497042 -55.6 -1.9 DEC 20 53359 .16761 .25580 -.499873 -32.499873 -56.3 -.8 DEC 25 53364 .15981 .24718 -.502398 -32.502398 -55.0 -.6 DEC 30 53369 .15107 .24091 -.504425 -32.504425 -53.0 -.4 JAN 4 53374 .14819 .23481 -.506363 -32.506363 -53.5 .0 JAN 9 53379 .13973 .22872 -.508106 -32.508106 -54.3 -.4 JAN 14 53384 .13015 .22339 -.509769 -32.509769 -52.7 -.5 JAN 19 53389 .12005 .21880 -.511402 -32.511402 -54.0 -.3 JAN 24 53394 .10963 .21496 -.513035 -32.513035 -53.5 -1.0 JAN 29 53399 .09898 .21188 -.514744 -32.514744 -52.3 -.8 FEB 3 53404 .08817 .20957 -.516529 -32.516529 -53.6 -.8 FEB 8 53409 .07726 .20803 -.518436 -32.518436 -52.9 -1.4 FEB 13 53414 .06630 .20726 -.520512 -32.520512 -52.8 -1.1 FEB 18 53419 .05537 .20726 -.522770 -32.522770 -53.6 -1.8 FEB 23 53424 .04449 .20801 -.525211 -32.525211 -52.3 -2.2 FEB 28 53429 .03374 .20950 -.527866 -32.527866 -52.1 -1.9 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 203 (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 2003 IERS Annual Report. 2004 MJD x y UT1-UTC UT1-UT1R D dPsi dEpsilon (0 h UTC) " " s ms ms 0.001" 0.001" NOV 5 53314 .20773 .35209 -.470467 1.442 .274 -58.1 -3.3 NOV 6 53315 .20799 .34933 -.470860 1.624 .524 -57.9 -3.3 NOV 7 53316 .20799 .34674 -.471521 1.592 .781 -57.8 -3.1 NOV 8 53317 .20813 .34443 -.472417 1.342 1.029 -57.9 -3.0 NOV 9 53318 .20817 .34272 -.473562 .906 1.236 -58.1 -2.8 NOV 10 53319 .20802 .34085 -.474857 .360 1.325 -58.3 -2.5 NOV 11 53320 .20818 .33900 -.476169 -.183 1.267 -58.4 -2.3 NOV 12 53321 .20776 .33645 -.477350 -.598 1.105 -58.4 -2.2 NOV 13 53322 .20815 .33436 -.478354 -.782 .879 -58.4 -2.1 NOV 14 53323 .20795 .33175 -.479110 -.702 .513 -58.3 -2.2 NOV 15 53324 .20773 .32934 -.479410 -.404 .335 -58.2 -2.4 NOV 16 53325 .20749 .32657 -.479826 -.005 .371 -57.9 -2.5 NOV 17 53326 .20733 .32442 -.480198 .352 .410 -57.6 -2.6 NOV 18 53327 .20698 .32184 -.480678 .545 .588 -57.3 -2.7 NOV 19 53328 .20682 .31977 -.481383 .511 .820 -57.1 -2.6 NOV 20 53329 .20597 .31776 -.482305 .254 1.024 -57.1 -2.5 NOV 21 53330 .20591 .31523 -.483403 -.163 1.130 -57.2 -2.4 NOV 22 53331 .20499 .31322 -.484532 -.647 1.134 -57.2 -2.1 NOV 23 53332 .20434 .31111 -.485639 -1.095 1.057 -57.1 -1.9 NOV 24 53333 .20320 .30883 -.486621 -1.420 .869 -56.9 -1.7 NOV 25 53334 .20181 .30663 -.487362 -1.560 .641 -56.7 -1.5 NOV 26 53335 .20072 .30419 -.487899 -1.487 .440 -56.5 -1.4 NOV 27 53336 .19983 .30185 -.488249 -1.209 .259 -56.4 -1.5 NOV 28 53337 .19966 .29968 -.488435 -.765 .103 -56.4 -1.7 NOV 29 53338 .19919 .29780 -.488479 -.214 -.041 -56.4 -1.9 NOV 30 53339 .19859 .29566 -.488378 .367 -.113 -56.3 -2.1 DEC 1 53340 .19742 .29340 -.488278 .903 -.033 -56.0 -2.3 DEC 2 53341 .19604 .29106 -.488332 1.326 .223 -55.7 -2.4 DEC 3 53342 .19395 .28869 -.488738 1.584 .419 -55.3 -2.4 DEC 4 53343 .19226 .28629 -.489176 1.646 .531 -55.0 -2.3 DEC 5 53344 .19057 .28426 -.489799 1.504 .770 -54.8 -2.1 DEC 6 53345 .18896 .28254 -.490706 1.176 .976 -54.8 -1.9 DEC 7 53346 .18733 .28023 -.491729 .713 1.072 -54.9 -1.7 DEC 8 53347 .18656 .27824 -.492815 .200 1.093 -55.0 -1.6 DEC 9 53348 .18421 .27688 -.493875 -.251 .959 -55.1 -1.5 DEC 10 53349 .18236 .27441 -.494699 -.530 .728 -55.3 -1.6 DEC 11 53350 .18027 .27250 -.495318 -.566 .496 -55.5 -1.6 DEC 12 53351 .17859 .27053 -.495707 -.364 .277 -55.7 -1.7 DEC 13 53352 .17658 .26841 -.495914 -.014 .176 -55.8 -1.7 DEC 14 53353 .17486 .26645 -.496111 .342 .264 -55.7 -1.8 DEC 15 53354 .17322 .26425 -.496484 .558 .483 -55.6 -1.9 DEC 16 53355 .17192 .26214 -.497095 .543 .717 -55.4 -1.9 DEC 17 53356 .17031 .26034 -.497908 .285 .922 -55.4 -1.8 DEC 18 53357 .16942 .25874 -.498908 -.156 1.058 -55.6 -1.5 DEC 19 53358 .16868 .25719 -.499985 -.676 1.081 -55.9 -1.2 DEC 20 53359 .16761 .25580 -.501034 -1.161 .985 -56.3 -.8 DEC 21 53360 .16590 .25388 -.501929 -1.521 .774 -56.5 -.6 DEC 22 53361 .16464 .25209 -.502567 -1.696 .571 -56.4 -.4 DEC 23 53362 .16303 .25005 -.503068 -1.659 .389 -55.3 .2 DEC 24 53363 .16161 .24857 -.503352 -1.418 .159 -55.3 -.2 DEC 25 53364 .15981 .24718 -.503401 -1.003 -.020 -55.0 -.6 DEC 26 53365 .15832 .24622 -.503333 -.470 -.168 -54.7 -.8 DEC 27 53366 .15640 .24556 -.503209 .111 -.147 -54.3 -.9 DEC 28 53367 .15440 .24368 -.503065 .666 -.132 -53.8 -.8 DEC 29 53368 .15295 .24225 -.502967 1.125 -.046 -53.4 -.7 DEC 30 53369 .15107 .24091 -.502993 1.432 .147 -53.0 -.4 IERS, B 203 (3) 3 - NORMAL VALUES OF THE EARTH ORIENTATION PARAMETERS AT FIVE-DAY INTERVALS (IERS evaluation). Raw normal values Uncertainties 2004 MJD x y UT1-UTC dPsi dEps x y UT1 dPsi dEps (0 h UTC) " " s 0.001" 0.001" 0.0001s 0.001" NOV 5 53314 .20781 .35212 -.470466 -58.01 -3.33 .01 .01 .01 .07 .04 NOV 10 53319 .20801 .34086 -.474857 -58.39 -2.53 .01 .01 .01 .07 .03 NOV 15 53324 .20775 .32934 -.479412 -58.02 -2.41 .02 .01 .02 .12 .05 NOV 20 53329 .20594 .31777 -.482304 -57.20 -2.48 .01 .01 .02 .09 .04 NOV 25 53334 .20181 .30663 -.487363 -56.68 -1.56 .01 .01 .04 .09 .04 NOV 30 53339 .19860 .29566 -.488372 -56.37 -2.12 .02 .02 .04 .12 .05 DEC 5 53344 .19060 .28425 -.489801 -54.82 -2.10 .02 .02 .03 .08 .03 DEC 10 53349 .18233 .27442 -.494699 -55.62 -1.54 .02 .02 .02 .27 .10 DEC 15 53354 .17322 .26424 -.496483 -55.57 -1.89 .01 .01 .01 .07 .03 DEC 20 53359 .16761 .25580 -.501034 - - .01 .01 .02 - - DEC 25 53364 .15981 .24718 -.503401 - - .01 .02 .05 - - DEC 30 53369 .15108 .24090 -.502989 - - .02 .02 .05 - - 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 2004 MJD s (microrad/s) NOV 5 53314 .00056 72.921 15099 NOV 10 53319 .00076 15082 NOV 15 53324 .00071 15087 NOV 20 53329 .00068 15089 NOV 25 53334 .00061 15095 NOV 30 53339 .00046 15108 DEC 5 53344 .00054 15102 5 - INFORMATION ON TIME SCALES No leap second was introduced in UTC on 31 December 2004. 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 203 (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 .17 .15 .07 - .31 .12 11 53314.27 to 53349.27 .36 .22 .04 - .47 .13 EOP(BKG) 3 R 04 .17 .15 .06 - .27 .11 11 53314.27 to 53349.27 .25 .28 .07 - .39 .10 EOP(BKG) 3 R 02 - - .10 - - - 41 53314.81 to 53362.81 - - .13 - - - EOP(GSFC) 4 R 02 .10 .09 .04 - .20 .08 13 53314.27 to 53356.27 .11 .12 .04 - .17 .08 EOP(GSFC) 4 R 01 - - .12 - - - 37 53314.81 to 53368.79 - - .13 - - - EOP(IAA) 3 R 04 .24 .17 .08 - - - 11 53314.27 to 53349.27 .23 .13 .05 - - - EOP(IAA) 3 R 03 - - .13 - - - 42 53314.81 to 53362.81 - - .14 - - - EOP(SPBU) 3 R 03 .37 .41 .22 - .17 .07 10 53314.27 to 53349.27 .19 .11 .13 - .51 .18 EOP(SPBU) 2 R 01 - - .13 - - - 25 53317.79 to 53356.81 - - .16 - - - EOP(MAO) 3 R 01 .12 .11 .05 - - - 13 53314.28 to 53356.28 .52 .27 .10 - - - EOP(USNO) 4 R 01 .11 .11 .05 - .24 .10 13 53314.27 to 53356.27 .15 .11 .08 - .17 .10 EOP(IVS) 0 R 01 .06 .06 .03 - .06 .05 1 53314.00 to 53314.00 .02 .09 .02 - .13 .03 GPS EOP(CODE) 98 P 01 .03 .03 - .07 - - 55 53314.50 to 53368.50 .04 .07 - .30 - - EOP(EMR) 96 P 03 .03 .03 - .04 - - 55 53314.50 to 53368.50 .08 .14 - .38 - - EOP(ESOC) 96 P 01 .05 .04 - 1.51 - - 55 53314.50 to 53368.50 .09 .10 - .36 - - EOP(GFZ) 96 P 02 .01 .01 - .01 - - 55 53314.50 to 53368.50 .05 .05 - .27 - - EOP(IAA) 1 P 01 .03 .03 - .06 - - 51 53314.50 to 53364.50 .17 .34 - .56 - - EOP(JPL) 96 P 03 .02 .02 - .11 - - 55 53314.50 to 53368.50 .05 .07 - .36 - - EOP(NOAA) 96 P 01 .01 .01 - .02 - - 49 53314.50 to 53362.50 .09 .10 - .32 - - EOP(SIO) 96 P 01 .05 .05 - .11 - - 54 53314.50 to 53367.50 .06 .09 - .34 - - EOP(IGS F)95 P 02 .02 .02 .09 .05 - - 44 53314.50 to 53357.50 .06 .10 .22 .34 - - EOP(IGS R)96 P 02 .03 .04 .16 .06 - - 55 53314.50 to 53368.50 .12 .10 .63 .25 - - EOP(IERS) 97 P 01 .04 .04 .17 .12 - - 55 53314.50 to 53368.50 .03 .03 .32 .24 - - SLR EOP(ASI) 3 L 02 .08 .09 - .25 - - 55 53314.50 to 53368.50 .27 .29 - 1.30 - - EOP(CSR) 95 L 01 .38 .42 .31 - - - 18 53316.21 to 53367.10 .48 .23 .64 - - - EOP(DUT) 98 L 01 .12 .12 - - - - 52 53316.00 to 53369.00 .34 .31 - - - - EOP(IAA) 2 L 01 .04 .04 .03 .03 - - 56 53314.00 to 53369.00 .19 .20 .38 .22 - - EOP(MCC) 97 L 01 .06 .06 - .10 - - 56 53314.00 to 53369.00 .21 .17 - .64 - - Bulletin A EOP(NEOS) 97 C 01 .06 .07 .09 - - - 56 53314.00 to 53369.00 .10 .12 .30 - - -