BULLETIN B 122 31 March 1998 Contents described in the Explanatory Supplement, mailed with Bulletin B121 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 1998 " " s s 0.001" 0.001" (0h UTC) Final Bulletin B values. FEB 5 50849 -.00174 .17265 .153755 -30.846245 -41.7 -4.7 FEB 10 50854 -.01493 .17527 .142225 -30.857775 -41.2 -5.3 FEB 15 50859 -.02686 .17721 .132061 -30.867939 -41.2 -5.3 FEB 20 50864 -.03765 .18425 .122219 -30.877781 -41.9 -6.2 FEB 25 50869 -.05347 .18880 .111890 -30.888110 -41.3 -6.2 MAR 2 50874 -.06039 .19497 .101569 -30.898431 -41.3 -5.8 Preliminary extension, to be updated weekly in Bulletin A and monthly in Bulletin B. MAR 7 50879 -.06825 .20436 .090616 -30.909384 -40.7 -6.7 MAR 12 50884 -.07617 .21476 .080176 -30.919824 -40.2 -6.6 MAR 17 50889 -.08476 .22449 .069518 -30.930482 -40.6 -6.6 MAR 22 50894 -.09477 .23268 .059324 -30.940676 -40.1 -7.6 MAR 27 50899 -.10224 .24115 .049408 -30.950592 -40.4 -7.2 APR 1 50904 -.10949 .25088 .039620 -30.960380 -39.8 -8.1 APR 6 50909 -.11539 .26188 .028867 -30.971133 -37.6 -8.7 APR 11 50914 -.12055 .27349 .017393 -30.982607 -37.7 -8.2 APR 16 50919 -.12493 .28562 .005521 -30.994479 -38.3 -8.8 APR 21 50924 -.12851 .29819 -.006442 -31.006442 -36.8 -9.0 APR 26 50929 -.13129 .31112 -.018282 -31.018282 -38.0 -8.3 MAY 1 50934 -.13325 .32436 -.029879 -31.029879 -38.3 -9.4 MAY 6 50939 -.13438 .33784 -.041125 -31.041125 -36.9 -9.0 MAY 11 50944 -.13470 .35153 -.051981 -31.051981 -38.4 -8.9 MAY 16 50949 -.13420 .36535 -.062407 -31.062407 -37.9 -9.4 MAY 21 50954 -.13290 .37927 -.072375 -31.072375 -37.6 -8.7 MAY 26 50959 -.13080 .39323 -.081873 -31.081873 -40.0 -9.0 MAY 31 50964 -.12793 .40718 -.090888 -31.090888 -38.7 -9.3 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. 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 1996 IERS Annual Report. 1998 MJD x y UT1-UTC UT1-UT1R D dPsi dEpsilon (0 h UTC) " " s ms ms 0.001" 0.001" FEB 1 50845 .01135 .16956 .162342 -.170 2.545 -41.8 -4.3 FEB 2 50846 .00782 .17018 .159789 -.630 2.550 -41.8 -4.2 FEB 3 50847 .00445 .17098 .157264 -1.000 2.487 -41.8 -4.3 FEB 4 50848 .00174 .17185 .154826 -1.228 2.402 -41.7 -4.5 FEB 5 50849 -.00174 .17265 .152460 -1.295 2.320 -41.7 -4.7 FEB 6 50850 -.00501 .17344 .150178 -1.216 2.195 -41.6 -4.8 FEB 7 50851 -.00756 .17414 .148056 -1.025 2.068 -41.5 -5.0 FEB 8 50852 -.00985 .17477 .146025 -.773 2.045 -41.4 -5.1 FEB 9 50853 -.01237 .17520 .143948 -.510 2.032 -41.3 -5.2 FEB 10 50854 -.01493 .17527 .141950 -.275 1.945 -41.2 -5.3 FEB 11 50855 -.01795 .17542 .140053 -.094 1.923 -41.1 -5.2 FEB 12 50856 -.02075 .17575 .138103 .025 1.969 -41.1 -5.3 FEB 13 50857 -.02290 .17629 .136119 .088 1.978 -41.1 -5.3 FEB 14 50858 -.02511 .17662 .134154 .109 1.978 -41.1 -5.2 FEB 15 50859 -.02686 .17721 .132170 .109 1.976 -41.2 -5.3 FEB 16 50860 -.02850 .17867 .130211 .114 1.974 -41.3 -5.3 FEB 17 50861 -.03017 .17997 .128231 .147 1.960 -41.4 -5.6 FEB 18 50862 -.03188 .18134 .126297 .227 1.868 -41.6 -5.7 FEB 19 50863 -.03458 .18282 .124497 .363 1.761 -41.8 -5.9 FEB 20 50864 -.03765 .18425 .122771 .552 1.734 -41.9 -6.2 FEB 21 50865 -.04090 .18540 .121021 .779 1.783 -41.8 -6.4 FEB 22 50866 -.04463 .18621 .119193 1.014 1.859 -41.8 -6.5 FEB 23 50867 -.04820 .18694 .117286 1.214 1.940 -41.7 -6.4 FEB 24 50868 -.05120 .18793 .115293 1.323 2.046 -41.4 -6.3 FEB 25 50869 -.05347 .18880 .113176 1.286 2.193 -41.3 -6.2 FEB 26 50870 -.05572 .18943 .110901 1.068 2.356 -41.2 -6.0 FEB 27 50871 -.05756 .19028 .108474 .673 2.498 -41.3 -5.8 FEB 28 50872 -.05866 .19177 .105931 .153 2.601 -41.2 -5.8 MAR 1 50873 -.05938 .19334 .103306 -.404 2.645 -41.3 -5.7 MAR 2 50874 -.06039 .19497 .100671 -.898 2.594 -41.3 -5.8 MAR 3 50875 -.06179 .19684 .098137 -1.251 2.446 -41.3 -5.9 MAR 4 50876 -.06347 .19854 .095784 -1.424 2.266 -41.2 -6.1 MAR 5 50877 -.06516 .20048 .093598 -1.421 2.118 -41.2 -6.3 MAR 6 50878 -.06675 .20244 .091533 -1.276 2.003 -41.0 -6.6 MAR 7 50879 -.06825 .20436 .089573 -1.043 1.898 -40.7 -6.7 MAR 8 50880 -.07010 .20635 .087720 -.774 1.823 -40.5 -6.8 MAR 9 50881 -.07175 .20862 .085915 -.518 1.822 -40.3 -6.9 MAR 10 50882 -.07323 .21068 .084068 -.307 1.888 -40.1 -6.8 MAR 11 50883 -.07478 .21260 .082135 -.157 1.981 -40.1 -6.7 MAR 12 50884 -.07617 .21476 .080110 -.066 2.069 -40.2 -6.6 MAR 13 50885 -.07726 .21675 .078002 -.024 2.130 -40.3 -6.4 MAR 14 50886 -.07831 .21896 .075856 -.010 2.141 -40.4 -6.4 MAR 15 50887 -.08000 .22114 .073730 .001 2.108 -40.6 -6.3 MAR 16 50888 -.08238 .22290 .071648 .033 2.054 -40.7 -6.4 MAR 17 50889 -.08476 .22449 .069629 .111 1.974 -40.6 -6.6 MAR 18 50890 -.08691 .22622 .067704 .248 1.885 -40.5 -6.8 MAR 19 50891 -.08882 .22784 .065858 .448 1.817 -40.4 -7.0 MAR 20 50892 -.09088 .22949 .064063 .699 1.754 -40.4 -7.3 MAR 21 50893 -.09286 .23113 .062338 .976 1.742 -40.3 -7.4 MAR 22 50894 -.09477 .23268 .060563 1.239 1.766 -40.1 -7.6 MAR 23 50895 -.09649 .23419 .058738 1.438 1.823 -40.1 -7.6 MAR 24 50896 -.09800 .23575 .056848 1.515 1.964 -40.2 -7.5 MAR 25 50897 -.09940 .23745 .054745 1.421 2.154 -40.3 -7.4 MAR 26 50898 -.10079 .23927 .052500 1.130 2.346 -40.4 -7.3 MAR 27 50899 -.10224 .24115 .050071 .663 2.485 -40.4 -7.2 MAR 28 50900 -.10376 .24301 .047551 .088 2.538 -40.5 -7.3 MAR 29 50901 -.10529 .24486 .045037 -.493 2.487 -40.5 -7.4 MAR 30 50902 -.10679 .24678 .042618 -.978 2.342 -40.4 -7.7 MAR 31 50903 -.10819 .24879 .040340 -1.295 2.153 -40.2 -7.9 3 - NORMAL VALUES OF THE EARTH ORIENTATION PARAMETERS AT FIVE-DAY INTERVALS (IERS evaluation). Raw normal values Uncertainties 1998 MJD x y UT1-UTC dPsi dEps x y UT1 dPsi dEps (0 h UTC) " " s .001" .001" 0.0001s 0.001" FEB 5 50849 -.00155 .17265 .152461 -41.67 -4.68 .10 .11 .06 .27 .16 FEB 10 50854 -.01497 .17527 .141952 -40.99 -5.06 .09 .10 .06 .26 .15 FEB 15 50859 -.02686 .17718 .132170 ~ ~ .11 .13 .08 ~ ~ FEB 20 50864 -.03770 .18425 .122771 -42.20 -6.48 .09 .12 .07 .23 .13 FEB 25 50869 -.05364 .18869 .113177 -41.34 -6.23 .10 .13 .07 .26 .14 MAR 2 50874 -.06043 .19488 .100671 -41.86 -6.36 .12 .13 .07 .21 .14 MAR 7 50879 -.06831 .20434 .089573 ~ ~ .10 .12 .70 ~ ~ MAR 12 50884 -.07624 .21470 .080109 -40.28 -6.63 .10 .11 .08 .28 .15 MAR 17 50889 -.08476 .22437 .069629 -40.39 -6.35 .11 .13 .13 .47 .26 MAR 22 50894 -.09494 .23264 .060563 ~ ~ .10 .13 .80 ~ ~ MAR 27 50899 -.10209 .24154 .050076 -39.73 -6.50 .14 .18 .29 .89 .34 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 1998 MJD s (microrad/s) FEB 5 50849 .00234 72.921 14950 FEB 10 50854 .00216 14964 FEB 15 50859 .00198 14980 FEB 20 50864 .00195 14982 FEB 25 50869 .00207 14972 5 - INFORMATION ON TIME SCALES 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 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(IAA) 97 R 04 .12 .10 .05 - .23 .09 6 50848.25 to 50883.25 .33 .28 .08 - .33 .10 EOP(USNO) 97 R 08 .12 .11 .06 .21 .18 .07 8 50848.25 to 50897.26 .18 .14 .03 .31 .04 .02 EOP(USNO) 97 R 09 - - .12 - - - 29 50846.68 to 50886.90 - - .34 - - - GPS EOP(CODE) 98 P 01 .01 .01 - .02 - - 54 50845.50 to 50898.50 .15 .12 - .27 - - EOP(EMR) 96 P 03 .06 .06 - .10 - - 56 50845.50 to 50900.50 .18 .22 - .38 - - EOP(ESOC) 96 P 01 .04 .05 - .06 - - 40 50846.50 to 50886.50 .24 .23 - .30 - - EOP(GFZ) 96 P 02 .01 .02 - .02 - - 49 50845.50 to 50893.50 .16 .14 - .26 - - EOP(JPL) 96 P 03 .03 .03 - .10 - - 49 50845.50 to 50893.50 .17 .16 - .42 - - EOP(NOAA) 96 P 01 .03 .04 - .14 - - 50 50845.50 to 50894.50 .25 .34 - .42 - - EOP(SIO) 96 P 01 .06 .07 - .17 - - 49 50845.50 to 50893.50 .21 .17 - .42 - - EOP(IGS) 95 P 02 .08 .08 .19 .09 - - 42 50845.50 to 50886.50 .13 .08 .46 .19 - - EOP(IGS) 96 P 02 .17 .22 .39 .14 - - 57 50845.50 to 50901.50 .14 .20 1.00 .27 - - EOP(IERS) 97 P 01 .10 .12 .24 .17 - - 57 50845.50 to 50901.50 .13 .06 .40 .21 - - SLR EOP(CGS) 97 L 02 .15 .16 .16 - - - 50 50845.00 to 50894.00 .51 .46 1.00 - - - EOP(CSR) 95 L 01 .26 .27 .33 - - - 17 50846.79 to 50894.92 .10 .21 .55 - - - EOP(DUT) 98 L 01 .11 .11 - - - - 18 50847.00 to 50898.00 .58 .42 - - - - EOP(IAA) 96 L 02 .16 .15 .30 .15 - - 57 50845.00 to 50901.00 .14 .20 .64 .15 - - EOP(MCC) 97 L 01 .07 .06 - .09 - - 18 50847.00 to 50898.00 .27 .32 - .42 - - Bulletin A EOP(NEOS) 97 C 01 .10 .11 .18 - - - 56 50845.00 to 50900.00 .10 .14 .56 - - - 7 - INDIVIDUAL SERIES OF EARTH ORIENTATION PARAMETERS The series listed hereafter,obtained by the IERS Operational Centres, have been used for the evaluations of Section 1. They are described in IERS Annual Report or in the IERS Technical Notes . 7-a - Very Long Base Radio Interferometry - EOP(IAA) 97 R 04 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 1998 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi FEB 4 50848.25 159 17289 154242 -4198 -491 16 13 4 30 12 FEB 11 50855.25 -1713 17611 139575 -4169 -531 11 10 4 21 8 FEB 18 50862.25 -3037 18247 125828 -4190 -580 13 10 5 24 9 FEB 25 50869.25 -5244 18943 112617 -4098 -624 10 8 5 19 7 MAR 4 50876.25 -6231 19956 95227 -4143 -615 9 8 4 18 7 MAR 11 50883.25 -7336 21442 81638 -4013 -669 13 11 6 25 9 7-b - Very Long Base Radio Interferometry - EOP(USNO) 97 R 08 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 1998 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi FEB 4 50848.25 53 17206 154230 -4182 -459 11 10 4 17 7 FEB 11 50855.25 -1890 17550 139579 -4115 -532 12 10 4 16 7 FEB 18 50862.25 -3260 18171 125840 -4179 -587 8 6 4 14 5 FEB 25 50869.25 -5465 18864 112630 -4141 -623 11 9 5 17 6 MAR 4 50876.25 -6394 19895 95228 -4131 -622 8 7 4 13 6 MAR 11 50883.25 -7539 21325 81642 -4028 -675 11 9 5 18 7 MAR 18 50890.25 -8766 22611 67241 -4050 -692 19 28 16 31 13 MAR 25 50897.26 -10011 23763 54181 -4041 -743 27 35 29 56 17 7-c - Very Long Base Radio Interferometry - EOP(USNO) 97 R 09 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 1998 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi FEB 2 50846.68 158071 15 FEB 3 50847.68 155605 9 FEB 5 50849.67 150918 9 FEB 6 50850.67 148742 13 FEB 7 50851.67 146711 16 FEB 7 50851.83 146375 13 FEB 9 50853.66 142619 14 FEB 10 50854.66 140704 8 FEB 12 50856.66 136797 10 FEB 13 50857.65 134848 7 FEB 14 50858.65 132869 7 FEB 14 50858.81 132553 12 FEB 16 50860.64 128942 12 FEB 17 50861.64 126985 13 FEB 19 50863.63 123453 15 FEB 20 50864.63 121604 10 FEB 21 50865.63 119783 8 FEB 21 50865.79 119520 10 FEB 23 50867.62 116050 15 FEB 24 50868.62 114005 12 FEB 26 50870.62 109424 7 FEB 27 50871.61 106974 11 FEB 28 50872.61 104340 11 FEB 28 50872.77 103870 29 MAR 2 50874.78 98696 12 MAR 5 50877.77 92067 22 MAR 12 50884.74 78553 19 MAR 14 50886.74 74293 13 MAR 14 50886.90 73956 8 7 -d - EOP(CODE) 98 P 01 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1998 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50845.50 970 16992 169542 2534 1 1 3 2 FEB 2 50846.50 653 17059 166986 2502 1 1 3 2 FEB 3 50847.50 326 17143 164475 2436 1 1 3 2 FEB 4 50848.50 -8 17219 162049 2346 1 1 3 2 FEB 5 50849.50 -324 17291 159725 2254 1 1 3 2 FEB 6 50850.50 -600 17366 157544 2132 1 1 3 2 FEB 7 50851.50 -853 17439 155441 2079 1 1 3 2 FEB 8 50852.50 -1094 17488 153401 2040 1 1 3 2 FEB 9 50853.50 -1350 17516 151429 1990 1 1 3 2 FEB 10 50854.50 -1627 17521 149520 1937 1 1 3 2 FEB 11 50855.50 -1895 17548 147611 1941 1 1 3 2 FEB 12 50856.50 -2159 17594 145665 1973 1 1 3 2 FEB 13 50857.50 -2379 17649 143709 1974 1 1 3 2 FEB 14 50858.50 -2570 17710 141728 1988 1 1 3 2 FEB 15 50859.50 -2738 17795 139744 1979 1 1 3 2 FEB 16 50860.50 -2911 17913 137779 1949 1 1 3 2 FEB 17 50861.50 -3088 18047 135875 1879 1 1 3 2 FEB 18 50862.50 -3316 18190 134032 1815 1 1 3 2 FEB 19 50863.50 -3598 18328 132217 1789 1 1 3 2 FEB 20 50864.50 -3926 18464 130407 1793 1 1 3 2 FEB 21 50865.50 -4272 18566 128581 1827 1 1 3 2 FEB 22 50866.50 -4608 18650 126726 1879 1 1 3 2 FEB 23 50867.50 -4908 18726 124798 1980 1 1 3 2 FEB 24 50868.50 -5184 18819 122745 2132 1 1 3 2 FEB 25 50869.50 -5434 18903 120551 2287 1 1 3 2 FEB 26 50870.50 -5638 18979 118202 2434 1 1 3 2 FEB 27 50871.50 -5773 19089 115642 2613 1 1 3 2 FEB 28 50872.50 -5873 19240 112947 2701 1 1 3 2 MAR 1 50873.50 -5969 19405 110251 2653 2 1 3 2 MAR 2 50874.50 -6096 19591 107631 2541 1 1 3 2 MAR 3 50875.50 -6245 19772 105184 2355 1 1 3 2 MAR 4 50876.50 -6406 19959 102919 2179 1 1 3 2 MAR 5 50877.50 -6576 20138 100809 2046 1 1 3 2 MAR 6 50878.50 -6730 20333 98813 1959 1 1 3 2 MAR 7 50879.50 -6893 20530 96910 1891 1 1 3 2 MAR 8 50880.50 -7048 20742 95071 1850 1 1 3 2 MAR 9 50881.50 -7216 20949 93230 1867 1 1 3 2 MAR 10 50882.50 -7366 21159 91306 1954 1 1 3 2 MAR 11 50883.50 -7510 21361 89271 2063 1 1 3 2 MAR 12 50884.50 -7631 21566 87154 2139 1 1 3 2 MAR 13 50885.50 -7748 21782 85007 2159 1 1 3 2 MAR 14 50886.50 -7892 21994 82862 2144 1 1 3 2 MAR 15 50887.50 -8093 22187 80731 2117 1 1 3 2 MAR 16 50888.50 -8319 22360 78646 2060 1 1 3 2 MAR 17 50889.50 -8554 22524 76632 1983 1 1 3 2 MAR 18 50890.50 -8761 22685 74705 1896 1 1 3 2 MAR 19 50891.50 -8951 22853 72873 1809 1 1 3 2 MAR 20 50892.50 -9140 23024 71075 1788 1 1 3 2 MAR 21 50893.50 -9348 23192 69304 1783 1 1 3 2 MAR 22 50894.50 -9549 23334 67504 1840 1 1 3 2 MAR 23 50895.50 -9705 23463 65646 1927 1 1 3 2 MAR 24 50896.50 -9839 23613 63637 2101 1 1 3 2 MAR 25 50897.50 -9965 23791 61409 2326 1 1 3 2 MAR 26 50898.50 -10116 23990 58958 2534 1 1 3 2 7 -e - EOP(EMR) 96 P 03 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1998 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50845.50 936 17020 148925 2566 6 7 22 10 FEB 2 50846.50 633 17079 146389 2556 6 7 22 9 FEB 3 50847.50 304 17201 143903 2459 6 7 22 9 FEB 4 50848.50 -33 17251 141512 2369 6 7 22 10 FEB 5 50849.50 -343 17328 139160 2376 6 7 22 10 FEB 6 50850.50 -639 17398 136921 2138 6 7 22 11 FEB 7 50851.50 -881 17512 134856 2138 7 7 22 11 FEB 8 50852.50 -1117 17498 132818 2139 6 7 23 11 FEB 9 50853.50 -1339 17578 130804 1970 6 7 24 10 FEB 10 50854.50 -1652 17548 128847 2014 6 7 24 10 FEB 11 50855.50 -1921 17593 126955 1954 7 8 24 11 FEB 12 50856.50 -2204 17601 125005 2067 6 7 24 10 FEB 13 50857.50 -2414 17691 122969 1987 6 7 24 10 FEB 14 50858.50 -2607 17734 120999 2027 6 7 24 10 FEB 15 50859.50 -2772 17847 119011 2040 6 7 24 10 FEB 16 50860.50 -2953 17917 117049 2002 6 7 23 10 FEB 17 50861.50 -3090 18087 115104 1937 6 7 23 10 FEB 18 50862.50 -3335 18252 113255 1819 6 7 23 10 FEB 19 50863.50 -3621 18378 111491 1777 7 7 23 11 FEB 20 50864.50 -3940 18471 109711 1774 6 6 22 10 FEB 21 50865.50 -4298 18595 107907 1801 6 7 22 10 FEB 22 50866.50 -4639 18664 106075 1890 6 6 22 9 FEB 23 50867.50 -4940 18743 104171 1980 6 6 22 9 FEB 24 50868.50 -5218 18839 102177 2059 5 6 22 9 FEB 25 50869.50 -5470 18925 99996 2259 5 6 22 9 FEB 26 50870.50 -5709 19013 97653 2363 6 6 22 9 FEB 27 50871.50 -5832 19117 95187 2532 6 6 23 10 FEB 28 50872.50 -5918 19261 92764 2664 6 6 22 10 MAR 1 50873.50 -6005 19433 90211 2621 5 5 22 9 MAR 2 50874.50 -6150 19626 87685 2514 6 6 22 11 MAR 3 50875.50 -6280 19786 85281 2337 6 6 22 9 MAR 4 50876.50 -6452 19966 83062 2182 6 6 22 10 MAR 5 50877.50 -6624 20158 80990 2060 6 5 21 9 MAR 6 50878.50 -6767 20361 80144 1979 8 8 21 11 MAR 7 50879.50 -6935 20549 77109 1902 6 6 22 9 MAR 8 50880.50 -7102 20785 75207 1842 5 5 21 9 MAR 9 50881.50 -7262 21017 73363 1857 6 6 21 10 MAR 10 50882.50 -7420 21205 71496 1949 6 7 22 11 MAR 11 50883.50 -7578 21415 69516 2088 6 6 22 10 MAR 12 50884.50 -7705 21627 67450 2087 6 6 43 10 MAR 13 50885.50 -7803 21820 65342 2109 6 6 32 9 MAR 14 50886.50 -7919 22043 63242 2109 6 6 27 9 MAR 15 50887.50 -8154 22237 61155 2084 6 6 25 9 MAR 16 50888.50 -8390 22393 59092 2018 6 6 23 9 MAR 17 50889.50 -8604 22554 57098 1957 6 6 22 9 MAR 18 50890.50 -8820 22723 55197 1845 6 6 22 10 MAR 19 50891.50 -9013 22875 53396 1750 6 6 21 10 MAR 20 50892.50 -9182 23054 51635 1722 6 6 22 10 MAR 21 50893.50 -9415 23252 49934 1728 6 7 21 11 MAR 22 50894.50 -9607 23381 49183 1797 9 8 21 12 MAR 23 50895.50 -9750 23528 47239 1902 19 18 21 112 MAR 24 50896.50 -9894 23675 45295 2008 9 9 21 14 MAR 25 50897.50 -10002 23838 43127 2263 9 9 22 14 MAR 26 50898.50 -10175 24042 40691 2478 9 9 22 14 MAR 27 50899.50 -10312 24284 38120 2525 9 10 23 14 MAR 28 50900.50 -10468 24428 35571 2548 9 8 23 14 7 -f - EOP(ESOC) 96 P 01 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1998 MJD x y UT1-UTC D x y UT1-UTC D FEB 2 50846.50 662 17015 158586 2527 4 5 7 5 FEB 3 50847.50 320 17146 156073 2474 4 6 7 5 FEB 4 50848.50 11 17219 153700 2361 5 6 7 6 FEB 5 50849.50 -343 17263 151383 2275 4 6 7 6 FEB 6 50850.50 -627 17385 149194 2132 4 5 7 6 FEB 7 50851.50 -882 17443 147024 2131 5 6 7 6 FEB 8 50852.50 -1115 17542 144986 2068 5 5 8 6 FEB 9 50853.50 -1354 17610 143016 1948 5 5 8 6 FEB 10 50854.50 -1655 17558 141014 1912 4 5 7 6 FEB 11 50855.50 -1932 17603 139044 1953 4 4 7 6 FEB 12 50856.50 -2192 17620 137106 1948 5 5 8 6 FEB 13 50857.50 -2426 17687 135051 1977 5 5 7 6 FEB 14 50858.50 -2615 17720 133081 1979 5 5 8 6 FEB 15 50859.50 -2798 17848 131159 2002 4 4 7 5 FEB 16 50860.50 -2914 17931 129185 1970 5 5 8 6 FEB 17 50861.50 -3108 18096 127225 1910 5 5 7 6 FEB 18 50862.50 -3280 18242 125394 1812 5 5 7 7 FEB 19 50863.50 -3636 18390 123593 1753 4 5 7 6 FEB 20 50864.50 -3920 18495 121751 1778 4 5 7 6 FEB 21 50865.50 -4270 18614 119928 1864 5 5 7 6 FEB 22 50866.50 -4648 18666 118126 1848 4 4 7 5 FEB 23 50867.50 -4933 18740 116212 1957 4 4 7 5 FEB 24 50868.50 -5211 18808 114173 2113 4 5 7 5 FEB 26 50870.50 -5681 19007 109746 2368 4 5 7 5 FEB 27 50871.50 -5847 19125 107262 2556 4 5 7 5 FEB 28 50872.50 -5912 19293 104658 2704 7 7 8 8 MAR 1 50873.50 -6027 19425 102108 2625 4 4 8 6 MAR 2 50874.50 -6105 19591 99581 2537 4 4 7 5 MAR 3 50875.50 -6246 19769 97169 2341 4 4 6 4 MAR 4 50876.50 -6421 19942 94884 2173 4 4 7 5 MAR 5 50877.50 -6593 20153 92728 2044 4 4 7 5 MAR 6 50878.50 -6726 20344 90758 1943 4 4 7 5 MAR 7 50879.50 -6894 20545 88838 1884 4 4 7 5 MAR 8 50880.50 -7078 20751 86991 1818 4 4 7 5 MAR 9 50881.50 -7220 20994 85095 1810 4 4 6 5 MAR 10 50882.50 -7388 21195 83096 1948 4 4 7 6 MAR 11 50883.50 -7536 21377 81130 2020 4 4 7 6 MAR 12 50884.50 -7654 21588 79104 2072 4 4 6 5 MAR 13 50885.50 -7701 21800 77045 2069 4 4 7 5 MAR 14 50886.50 -7883 22000 74911 2117 4 4 8 6 7 -g - EOP(GFZ) 96 P 02 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1998 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50845.50 1007 16971 161073 2538 2 2 3 3 FEB 2 50846.50 689 17048 158547 2503 2 2 3 3 FEB 3 50847.50 367 17141 156053 2480 2 2 3 3 FEB 4 50848.50 30 17210 153620 2386 2 2 3 3 FEB 5 50849.50 -302 17281 151302 2254 2 2 3 3 FEB 6 50850.50 -581 17358 149120 2116 2 2 3 3 FEB 7 50851.50 -835 17457 147073 2093 2 2 3 3 FEB 8 50852.50 -1089 17531 144999 2064 2 2 3 3 FEB 9 50853.50 -1317 17550 142978 1981 2 2 3 3 FEB 10 50854.50 -1602 17531 141033 1912 2 2 3 3 FEB 11 50855.50 -1882 17549 139115 1925 2 2 3 3 FEB 12 50856.50 -2146 17599 137166 1971 2 2 3 3 FEB 13 50857.50 -2379 17654 135195 1967 2 2 3 3 FEB 14 50858.50 -2581 17690 133154 1992 2 2 3 3 FEB 15 50859.50 -2732 17791 131141 2033 2 2 3 3 FEB 16 50860.50 -2911 17910 129150 1942 1 2 3 3 FEB 17 50861.50 -3066 18063 127224 1909 2 2 3 3 FEB 18 50862.50 -3306 18219 125360 1818 2 2 3 3 FEB 19 50863.50 -3594 18354 123562 1781 2 2 3 3 FEB 20 50864.50 -3895 18469 121765 1814 1 2 2 2 FEB 21 50865.50 -4258 18584 120040 1831 1 2 2 2 FEB 22 50866.50 -4617 18662 118196 1864 1 2 2 2 FEB 23 50867.50 -4906 18736 116289 1960 1 2 2 2 FEB 24 50868.50 -5177 18824 114253 2121 1 2 2 2 FEB 25 50869.50 -5442 18914 112055 2278 1 2 2 2 FEB 26 50870.50 -5657 18994 109728 2371 1 2 2 2 FEB 27 50871.50 -5790 19087 107251 2571 1 2 2 2 FEB 28 50872.50 -5859 19239 104600 2647 2 2 2 2 MAR 1 50873.50 -5952 19417 101957 2623 1 1 2 2 MAR 2 50874.50 -6085 19601 99381 2520 1 1 2 2 MAR 3 50875.50 -6246 19780 96952 2335 1 1 2 2 MAR 4 50876.50 -6404 19958 94710 2152 1 1 2 2 MAR 5 50877.50 -6581 20158 92625 2025 1 1 2 2 MAR 6 50878.50 -6740 20338 90646 1943 1 1 2 2 MAR 7 50879.50 -6887 20540 88813 1891 2 2 2 2 MAR 8 50880.50 -7074 20762 86963 1819 1 1 2 2 MAR 9 50881.50 -7222 20972 85140 1829 1 1 2 2 MAR 10 50882.50 -7382 21179 83262 1929 1 1 3 3 MAR 11 50883.50 -7540 21376 81288 2016 1 2 3 3 MAR 12 50884.50 -7660 21582 79244 2070 1 1 2 2 MAR 13 50885.50 -7746 21790 77155 2106 1 1 2 2 MAR 14 50886.50 -7885 22025 73986 2094 1 1 1 1 MAR 15 50887.50 -8094 22223 71885 2105 1 1 1 1 MAR 16 50888.50 -8339 22393 69816 2028 1 1 1 1 MAR 17 50889.50 -8561 22547 67824 1954 1 1 1 1 MAR 18 50890.50 -8779 22721 65928 1839 1 1 1 1 MAR 19 50891.50 -8969 22865 64143 1737 1 1 1 1 MAR 20 50892.50 -9136 23049 62413 1729 1 1 1 1 MAR 21 50893.50 -9378 23245 60686 1733 1 1 1 1 7 -h - EOP(JPL) 96 P 03 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1998 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50845.50 957 16988 154303 2534 3 4 10 10 FEB 2 50846.50 710 17022 151762 2537 5 5 9 9 FEB 3 50847.50 313 17157 149244 2493 3 3 9 9 FEB 4 50848.50 -19 17212 146807 2382 3 3 10 10 FEB 5 50849.50 -346 17279 144493 2251 3 4 10 10 FEB 6 50850.50 -624 17361 142329 2082 3 4 10 10 FEB 7 50851.50 -871 17432 140241 2103 4 4 10 10 FEB 8 50852.50 -1117 17507 138179 2030 4 4 10 10 FEB 9 50853.50 -1343 17531 136172 1990 3 4 10 10 FEB 10 50854.50 -1635 17524 134210 1937 4 4 10 10 FEB 11 50855.50 -1923 17569 132287 1908 4 4 11 11 FEB 12 50856.50 -2158 17554 130343 1979 4 5 11 11 FEB 13 50857.50 -2369 17610 128342 2019 6 6 11 11 FEB 14 50858.50 -2582 17693 126327 2007 4 5 10 10 FEB 15 50859.50 -2766 17803 124317 2009 3 3 10 10 FEB 16 50860.50 -2949 17928 122314 1993 4 3 10 10 FEB 17 50861.50 -3103 18067 120331 1971 4 4 11 11 FEB 18 50862.50 -3304 18231 118398 1894 3 3 11 11 FEB 19 50863.50 -3617 18362 116551 1802 3 3 11 11 FEB 20 50864.50 -3932 18463 114744 1815 3 3 11 11 FEB 21 50865.50 -4279 18601 112926 1828 3 3 10 10 FEB 22 50866.50 -4652 18647 111073 1885 3 3 10 10 FEB 23 50867.50 -4937 18747 109150 1972 3 3 10 10 FEB 24 50868.50 -5189 18838 107089 2159 3 3 10 10 FEB 25 50869.50 -5462 18926 104873 2276 4 3 11 11 FEB 26 50870.50 -5685 18984 102539 2386 3 3 10 10 FEB 27 50871.50 -5822 19103 100009 2661 3 4 10 10 FEB 28 50872.50 -5911 19257 97284 2775 3 4 10 10 MAR 1 50873.50 -5982 19407 94529 2719 3 3 10 10 MAR 2 50874.50 -6102 19570 91890 2548 2 3 10 10 MAR 3 50875.50 -6247 19767 89461 2309 2 3 10 10 MAR 4 50876.50 -6416 19942 87240 2135 2 3 10 10 MAR 5 50877.50 -6595 20138 85174 2005 2 3 10 10 MAR 6 50878.50 -6745 20323 83199 1953 2 2 9 9 MAR 7 50879.50 -6897 20531 81264 1926 2 3 10 10 MAR 8 50880.50 -7070 20737 79387 1836 2 3 10 10 MAR 9 50881.50 -7222 20959 77545 1852 2 3 9 9 MAR 10 50882.50 -7394 21161 75634 1971 3 3 10 10 MAR 11 50883.50 -7533 21363 73605 2083 3 3 10 10 MAR 12 50884.50 -7656 21557 71495 2135 3 3 10 10 MAR 13 50885.50 -7756 21773 69354 2144 3 3 10 10 MAR 14 50886.50 -7888 22002 67196 2167 3 3 10 10 MAR 15 50887.50 -8098 22200 65058 2106 3 3 10 10 MAR 16 50888.50 -8346 22353 62958 2088 2 3 10 10 MAR 17 50889.50 -8556 22513 60912 2003 3 3 10 10 MAR 18 50890.50 -8784 22666 58947 1927 3 3 10 10 MAR 19 50891.50 -8957 22834 57073 1825 2 3 10 10 MAR 20 50892.50 -9138 23023 55277 1773 3 3 11 11 MAR 21 50893.50 -9368 23215 53487 1816 3 3 10 10 7 -i - EOP(NOAA) 96 P 01 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1998 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50845.50 980 16987 160969 2538 4 4 7 15 FEB 2 50846.50 709 17087 158451 2493 4 4 7 15 FEB 3 50847.50 405 17239 156023 2443 4 4 7 14 FEB 4 50848.50 77 17311 153773 2294 4 4 7 15 FEB 5 50849.50 -271 17260 151595 2334 4 4 7 14 FEB 6 50850.50 -588 17493 149724 2103 4 4 7 14 FEB 7 50851.50 -837 17485 147196 2057 5 5 7 15 FEB 8 50852.50 -1052 17486 145182 1988 5 6 7 14 FEB 9 50853.50 -1267 17605 143172 1932 4 5 7 14 FEB 10 50854.50 -1635 17519 141117 1897 4 4 7 14 FEB 11 50855.50 -1854 17605 139069 1994 4 5 7 14 FEB 12 50856.50 -2175 17576 137111 1959 5 5 8 15 FEB 13 50857.50 -2348 17691 135129 1922 4 4 7 14 FEB 14 50858.50 -2514 17661 133097 1949 4 5 7 15 FEB 15 50859.50 -2718 17831 131034 2019 4 4 7 14 FEB 16 50860.50 -2884 17922 129021 1985 4 4 7 15 FEB 17 50861.50 -3005 18098 127043 1934 4 5 7 15 FEB 18 50862.50 -3277 18202 125099 1838 5 5 8 16 FEB 19 50863.50 -3564 18404 123145 1757 4 4 7 15 FEB 20 50864.50 -3910 18507 121091 1823 4 4 7 14 FEB 21 50865.50 -4242 18659 119992 1803 4 4 7 15 FEB 22 50866.50 -4592 18673 118212 1815 4 4 7 14 FEB 23 50867.50 -4863 18783 116351 1897 4 4 7 14 FEB 24 50868.50 -5181 18905 114326 2119 4 4 7 15 FEB 25 50869.50 -5435 18975 112182 2269 4 4 7 14 FEB 26 50870.50 -5590 19009 109853 2399 4 4 7 15 FEB 27 50871.50 -5766 19155 107303 2565 4 4 7 14 FEB 28 50872.50 -5885 19299 104555 2691 4 4 7 15 MAR 1 50873.50 -5961 19463 101971 2626 3 3 7 15 MAR 2 50874.50 -6067 19628 99443 2558 3 3 7 14 MAR 3 50875.50 -6237 19799 97136 2332 3 3 7 14 MAR 4 50876.50 -6388 19960 94954 2183 3 3 7 15 MAR 5 50877.50 -6542 20156 92915 2058 3 3 7 14 MAR 6 50878.50 -6726 20313 90995 1922 2 3 7 14 MAR 7 50879.50 -6880 20530 89115 1858 2 3 7 14 MAR 8 50880.50 -7030 20736 87105 1739 2 3 7 14 MAR 9 50881.50 -7191 20954 85192 1816 3 3 7 14 MAR 10 50882.50 -7357 21191 83260 1836 3 3 7 15 MAR 11 50883.50 -7501 21357 81195 1974 2 3 7 14 MAR 12 50884.50 -7636 21590 79092 2017 3 3 7 15 MAR 13 50885.50 -7717 21785 76886 2124 3 3 7 15 MAR 14 50886.50 -7862 22014 74720 2087 3 3 7 15 MAR 15 50887.50 -8056 22229 72784 2055 3 3 7 14 MAR 16 50888.50 -8306 22388 70681 2050 3 3 7 14 MAR 17 50889.50 -8526 22557 68673 1950 2 3 7 14 MAR 18 50890.50 -8773 22723 66686 1912 2 3 7 14 MAR 19 50891.50 -8939 22845 64822 1736 2 3 7 14 MAR 20 50892.50 -9127 23042 62933 1702 3 3 7 15 MAR 21 50893.50 -9345 23218 61019 1734 3 3 7 15 MAR 22 50894.50 -9557 23375 59063 1774 3 3 7 15 7 -j - EOP(SIO) 96 P 01 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1998 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50845.50 990 16960 2575 8 9 18 FEB 2 50846.50 669 17041 158513 2535 6 6 17 17 FEB 3 50847.50 348 17128 156046 2438 6 8 26 17 FEB 4 50848.50 38 17198 153643 2353 6 8 36 21 FEB 5 50849.50 -283 17263 151327 2249 6 8 44 18 FEB 6 50850.50 -566 17344 149178 2057 6 8 49 17 FEB 7 50851.50 -797 17419 147116 2000 8 9 55 19 FEB 8 50852.50 -1066 17506 2111 8 9 19 FEB 9 50853.50 -1324 17553 143044 1961 6 6 18 18 FEB 10 50854.50 -1599 17559 141132 1905 6 6 29 18 FEB 11 50855.50 -1874 17570 139202 1941 6 6 37 19 FEB 12 50856.50 -2133 17618 137250 1971 6 6 45 19 FEB 13 50857.50 -2357 17677 135184 2108 6 6 51 20 FEB 14 50858.50 -2539 17735 133122 2090 8 8 58 19 FEB 15 50859.50 -2712 17808 2014 6 8 18 FEB 16 50860.50 -2883 17926 129194 1959 6 6 18 18 FEB 17 50861.50 -3053 18069 127206 1962 6 6 29 18 FEB 18 50862.50 -3268 18211 125329 1832 6 6 38 19 FEB 19 50863.50 -3547 18345 123494 1826 6 6 45 19 FEB 20 50864.50 -3862 18461 121667 1836 6 6 51 18 FEB 21 50865.50 -4193 18571 119796 1883 8 8 56 19 FEB 22 50866.50 -4623 18643 1911 8 9 22 FEB 23 50867.50 -4916 18751 116265 1986 6 6 16 16 FEB 24 50868.50 -5198 18841 114186 2145 6 6 25 16 FEB 25 50869.50 -5448 18914 111951 2314 6 6 32 16 FEB 26 50870.50 -5652 18982 109582 2440 6 6 38 16 FEB 27 50871.50 -5791 19087 107068 2582 6 6 43 16 FEB 28 50872.50 -5876 19248 104449 2651 6 6 48 16 MAR 1 50873.50 -5962 19444 2658 6 8 16 MAR 2 50874.50 -6090 19612 99355 2545 6 6 17 17 MAR 3 50875.50 -6249 19782 96857 2406 6 6 26 16 MAR 4 50876.50 -6413 19963 94516 2239 6 6 33 16 MAR 5 50877.50 -6580 20154 92399 2037 6 6 39 16 MAR 6 50878.50 -6734 20349 90406 1943 6 6 44 15 MAR 7 50879.50 -6877 20552 88465 1918 6 8 49 16 MAR 8 50880.50 -7049 20744 1831 6 6 16 MAR 9 50881.50 -7212 20967 85096 1870 6 6 16 15 MAR 10 50882.50 -7377 21175 83180 1947 6 6 25 16 MAR 11 50883.50 -7532 21378 81138 2076 6 6 32 16 MAR 12 50884.50 -7647 21581 79007 2144 6 6 37 15 MAR 13 50885.50 -7747 21788 76841 2169 6 6 42 15 MAR 14 50886.50 -7888 21990 74679 2151 6 8 47 16 MAR 15 50887.50 -8103 22227 2132 9 9 20 MAR 16 50888.50 -8343 22392 70585 2089 6 6 16 16 MAR 17 50889.50 -8583 22550 68542 2003 6 6 25 15 MAR 18 50890.50 -8797 22705 66581 1919 6 6 31 16 MAR 19 50891.50 -8981 22858 64678 1875 6 6 37 15 MAR 20 50892.50 -9166 23038 62866 1812 6 6 42 16 MAR 21 50893.50 -9386 23222 61041 1843 6 8 47 17 7 -k - EOP(IGS) 95 P 02 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1998 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50845.50 978 16975 161083 2539 9 8 32 9 FEB 2 50846.50 679 17040 158534 2515 9 8 16 9 FEB 3 50847.50 338 17149 156044 2460 10 11 14 8 FEB 4 50848.50 11 17215 153651 2359 11 9 13 6 FEB 5 50849.50 -318 17274 151342 2264 10 7 15 11 FEB 6 50850.50 -604 17360 149166 2119 10 8 13 11 FEB 7 50851.50 -853 17444 147042 2094 11 11 16 13 FEB 8 50852.50 -1099 17508 144989 2056 8 10 34 11 FEB 9 50853.50 -1334 17546 143023 1968 7 14 21 7 FEB 10 50854.50 -1624 17532 141064 1925 8 8 19 8 FEB 11 50855.50 -1899 17563 139097 1939 9 10 19 10 FEB 12 50856.50 -2162 17588 137125 1970 9 11 18 7 FEB 13 50857.50 -2379 17643 135148 1985 8 14 15 16 FEB 14 50858.50 -2576 17698 133161 1994 10 11 10 11 FEB 15 50859.50 -2746 17800 131156 2006 11 12 11 7 FEB 16 50860.50 -2919 17910 129197 1960 10 9 12 5 FEB 17 50861.50 -3085 18060 127267 1909 10 11 18 9 FEB 18 50862.50 -3301 18216 125409 1820 9 10 18 8 FEB 19 50863.50 -3599 18353 123609 1778 11 11 17 7 FEB 20 50864.50 -3914 18466 121821 1796 10 6 17 7 FEB 21 50865.50 -4262 18585 120007 1833 11 11 18 8 FEB 22 50866.50 -4626 18649 118191 1868 8 6 34 7 FEB 23 50867.50 -4920 18738 116279 1963 7 7 12 7 FEB 24 50868.50 -5192 18829 114237 2118 5 8 12 7 FEB 25 50869.50 -5450 18918 112050 2276 5 9 15 4 FEB 26 50870.50 -5662 18988 109720 2403 11 6 17 13 FEB 27 50871.50 -5795 19089 107199 2588 11 10 16 11 FEB 28 50872.50 -5881 19245 104584 2685 10 10 17 11 MAR 1 50873.50 -5973 19420 101961 2639 8 7 26 8 MAR 2 50874.50 -6099 19596 99387 2533 8 8 13 6 MAR 3 50875.50 -6248 19776 96967 2342 4 3 14 7 MAR 4 50876.50 -6413 19954 94707 2169 6 4 13 7 MAR 5 50877.50 -6586 20148 92613 2036 7 4 14 7 MAR 6 50878.50 -6740 20334 90656 1943 6 4 16 6 MAR 7 50879.50 -6897 20540 88785 1880 6 4 16 5 MAR 8 50880.50 -7065 20750 86966 1808 8 6 69 13 MAR 9 50881.50 -7218 20965 85095 1830 3 7 17 8 MAR 10 50882.50 -7384 21174 83145 1930 7 6 17 12 MAR 11 50883.50 -7527 21368 81131 2033 6 3 18 9 MAR 12 50884.50 -7654 21578 79073 2092 8 8 19 11 MAR 13 50885.50 -7742 21785 76983 2116 8 4 20 12 MAR 14 50886.50 -7884 22001 74866 2117 4 4 21 5 7 -l - EOP(IGS) 96 P 02 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1998 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50845.50 943 17071 161165 2532 42 52 39 7 FEB 2 50846.50 684 17160 158542 2504 32 60 53 9 FEB 3 50847.50 382 17220 156069 2434 21 44 54 14 FEB 4 50848.50 17 17247 153687 2354 14 22 32 16 FEB 5 50849.50 -324 17254 151352 2316 25 12 35 23 FEB 6 50850.50 -673 17404 149160 2128 31 22 37 11 FEB 7 50851.50 -900 17478 147028 2080 28 10 39 10 FEB 8 50852.50 -1152 17543 144989 2002 50 84 49 57 FEB 9 50853.50 -1368 17626 142960 1949 32 30 54 24 FEB 10 50854.50 -1647 17566 140978 1945 24 42 56 21 FEB 11 50855.50 -1901 17561 139064 1941 21 32 50 16 FEB 12 50856.50 -2120 17660 137091 1997 41 54 51 18 FEB 13 50857.50 -2408 17713 135124 2004 48 55 52 13 FEB 14 50858.50 -2602 17709 133158 2010 32 47 55 20 FEB 15 50859.50 -2729 17831 131160 2012 32 40 55 9 FEB 16 50860.50 -2931 17929 129177 2001 10 5 40 6 FEB 17 50861.50 -3086 18078 127192 1955 18 29 42 21 FEB 18 50862.50 -3283 18236 125405 1797 17 25 32 29 FEB 19 50863.50 -3593 18393 123532 1782 13 20 33 15 FEB 20 50864.50 -3911 18497 121755 1777 9 23 34 8 FEB 21 50865.50 -4274 18632 119960 1814 11 15 34 10 FEB 22 50866.50 -4651 18690 118139 1844 21 14 35 12 FEB 23 50867.50 -4928 18749 116248 1959 21 13 25 9 FEB 24 50868.50 -5240 18867 114218 2128 24 14 29 25 FEB 25 50869.50 -5438 18932 112093 2234 19 13 28 14 FEB 26 50870.50 -5687 19029 109768 2376 24 13 29 16 FEB 27 50871.50 -5809 19140 107311 2517 14 37 31 17 FEB 28 50872.50 -5875 19263 104715 2635 7 10 31 11 MAR 1 50873.50 -5957 19437 102133 2578 11 12 32 8 MAR 2 50874.50 -6089 19608 99558 2522 7 17 31 15 MAR 3 50875.50 -6235 19801 97124 2348 4 12 32 7 MAR 4 50876.50 -6419 19982 94821 2168 7 17 27 10 MAR 5 50877.50 -6583 20169 92720 2045 13 16 29 20 MAR 6 50878.50 -6748 20350 90736 1951 6 9 31 10 MAR 7 50879.50 -6907 20536 88825 1897 4 14 31 7 MAR 8 50880.50 -7083 20785 86978 1816 13 37 32 15 MAR 9 50881.50 -7220 20994 85015 1855 14 21 65 13 MAR 10 50882.50 -7383 21185 83124 1926 11 19 66 13 MAR 11 50883.50 -7530 21370 81164 2007 6 6 29 10 MAR 12 50884.50 -7652 21567 79125 2072 8 6 30 10 MAR 13 50885.50 -7738 21771 77030 2113 8 6 30 7 MAR 14 50886.50 -7873 22008 74908 2119 8 9 31 11 MAR 15 50887.50 -8078 22219 72798 2099 10 6 32 8 MAR 16 50888.50 -8339 22376 70689 2023 6 10 70 10 MAR 17 50889.50 -8563 22538 68693 1963 7 8 70 12 MAR 18 50890.50 -8786 22696 66738 1881 6 7 25 10 MAR 19 50891.50 -8960 22845 64913 1763 6 5 27 15 MAR 20 50892.50 -9133 23031 63158 1736 8 11 29 17 MAR 21 50893.50 -9368 23224 61408 1741 10 9 30 11 MAR 22 50894.50 -9570 23370 59626 1799 8 8 31 8 MAR 23 50895.50 -9737 23479 57853 1893 5 3 36 13 MAR 24 50896.50 -9839 23619 55880 2053 11 7 37 11 MAR 25 50897.50 -9972 23804 53746 2258 6 9 36 6 MAR 26 50898.50 -10130 23994 51360 2499 9 11 37 9 MAR 27 50899.50 -10262 24195 48828 2555 11 15 39 24 MAR 28 50900.50 -10461 24409 46267 2552 6 7 41 15 MAR 29 50901.50 -10655 24665 43758 2481 4 12 43 14 7 -m - EOP(IERS) 97 P 01 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1998 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50845.50 969 16987 161104 2531 12 13 15 12 FEB 2 50846.50 649 17054 158552 2507 15 28 26 9 FEB 3 50847.50 316 17147 156025 2458 6 14 35 24 FEB 4 50848.50 -8 17219 153590 2359 10 12 27 25 FEB 5 50849.50 -335 17282 151267 2253 6 23 16 11 FEB 6 50850.50 -616 17363 149085 2127 8 10 19 11 FEB 7 50851.50 -869 17436 146966 2089 8 15 33 16 FEB 8 50852.50 -1112 17506 144896 2062 5 31 34 29 FEB 9 50853.50 -1347 17536 142927 1976 7 16 22 18 FEB 10 50854.50 -1637 17529 141020 1926 12 17 17 12 FEB 11 50855.50 -1917 17559 139103 1937 6 6 14 12 FEB 12 50856.50 -2177 17585 137152 1969 19 29 12 8 FEB 13 50857.50 -2409 17653 135189 1973 11 12 11 9 FEB 14 50858.50 -2594 17700 133199 1993 15 15 23 7 FEB 15 50859.50 -2764 17800 131188 2004 6 7 26 22 FEB 16 50860.50 -2939 17920 129212 1959 8 9 16 14 FEB 17 50861.50 -3100 18066 127284 1906 7 4 14 8 FEB 18 50862.50 -3323 18218 125447 1814 17 10 19 11 FEB 19 50863.50 -3617 18355 123652 1776 9 6 19 15 FEB 20 50864.50 -3931 18472 121845 1798 7 9 27 11 FEB 21 50865.50 -4284 18586 120034 1820 8 8 27 25 FEB 22 50866.50 -4642 18646 118197 1867 6 16 15 10 FEB 23 50867.50 -4935 18736 116288 1968 4 12 14 11 FEB 24 50868.50 -5203 18829 114252 2123 12 13 20 8 FEB 25 50869.50 -5464 18918 112085 2267 8 4 41 18 FEB 26 50870.50 -5686 18989 109784 2395 8 9 44 37 FEB 27 50871.50 -5824 19098 107263 2584 11 5 36 23 FEB 28 50872.50 -5902 19250 104608 2671 10 7 33 28 MAR 1 50873.50 -5985 19411 101941 2631 7 9 25 18 MAR 2 50874.50 -6108 19591 99346 2521 7 16 22 17 MAR 3 50875.50 -6261 19772 96915 2339 13 11 18 14 MAR 4 50876.50 -6432 19949 94660 2166 8 16 16 12 MAR 5 50877.50 -6602 20142 92553 2038 8 12 13 10 MAR 6 50878.50 -6753 20332 90559 1952 12 9 9 9 MAR 7 50879.50 -6911 20533 88655 1887 10 8 13 3 MAR 8 50880.50 -7085 20749 86833 1830 12 12 16 13 MAR 9 50881.50 -7247 20968 85019 1834 7 10 14 10 MAR 10 50882.50 -7403 21172 83109 1938 7 6 25 10 MAR 11 50883.50 -7553 21370 81094 2043 14 10 38 23 MAR 12 50884.50 -7674 21570 79018 2097 14 10 40 30 MAR 13 50885.50 -7771 21784 76910 2122 10 8 33 26 MAR 14 50886.50 -7906 22003 74796 2115 9 13 28 21 MAR 15 50887.50 -8117 22207 72689 2097 13 9 23 18 MAR 16 50888.50 -8360 22372 70627 2043 10 15 21 14 MAR 17 50889.50 -8579 22532 68642 1961 12 13 31 15 MAR 18 50890.50 -8795 22704 66755 1865 10 12 43 27 MAR 19 50891.50 -8980 22854 64973 1767 16 12 46 33 MAR 20 50892.50 -9184 23036 63228 1743 11 10 42 32 MAR 21 50893.50 -9381 23221 61499 1747 16 15 28 27 MAR 22 50894.50 -9566 23347 59754 1783 11 3 9 7 MAR 23 50895.50 -9727 23492 57926 1887 4 14 50 5 MAR 24 50896.50 -9870 23648 55944 2055 9 3 51 50 MAR 25 50897.50 -10007 23826 53751 2260 4 3 16 11 MAR 26 50898.50 -10150 24023 51288 2440 4 8 90 11 MAR 27 50899.50 -10299 24221 48802 2528 5 12 140 15 MAR 28 50900.50 -10453 24399 46267 2527 11 14 190 14 MAR 29 50901.50 -10609 24555 43779 2427 20 20 240 20 7-n - Satellite Laser Ranging : LAGEOS -EOP(CGS) 97 L 02 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1998 MJD x y UT1-UTC x y UT1-UTC FEB 1 50845.00 1118 17002 162523 14 16 17 FEB 2 50846.00 782 16963 159889 15 13 13 FEB 3 50847.00 458 17010 157343 15 14 13 FEB 4 50848.00 104 17181 154997 16 17 17 FEB 5 50849.00 -144 17371 152528 17 18 15 FEB 6 50850.00 -436 17403 150247 15 18 15 FEB 7 50851.00 -800 17424 148104 15 14 15 FEB 8 50852.00 -1069 17446 146098 15 18 17 FEB 9 50853.00 -1271 17458 143903 13 16 16 FEB 10 50854.00 -1532 17526 141987 12 13 15 FEB 11 50855.00 -1783 17464 140083 12 11 14 FEB 12 50856.00 -2081 17526 138172 11 13 14 FEB 13 50857.00 -2252 17673 136241 15 14 15 FEB 14 50858.00 -2494 17648 134330 13 15 15 FEB 15 50859.00 -2630 17677 132385 15 17 18 FEB 16 50860.00 -2807 17882 130393 19 23 20 FEB 17 50861.00 -2981 18025 128389 17 52 37 FEB 18 50862.00 -3126 18161 126531 16 18 17 FEB 19 50863.00 -3481 18306 124746 15 16 15 FEB 20 50864.00 -3705 18390 123006 14 14 17 FEB 21 50865.00 -4039 18473 121183 11 17 16 FEB 22 50866.00 -4462 18596 119241 16 19 18 FEB 23 50867.00 -4684 18745 117320 14 24 21 FEB 24 50868.00 -4876 18879 115437 24 24 20 FEB 25 50869.00 -5407 18720 113386 21 26 18 FEB 26 50870.00 -5502 19009 111110 15 14 15 FEB 27 50871.00 -5689 19076 108737 14 14 14 FEB 28 50872.00 -5785 19091 106004 12 14 15 MAR 1 50873.00 -5905 19291 103477 20 15 15 MAR 2 50874.00 -5998 19428 100865 13 11 13 MAR 3 50875.00 -6223 19663 98396 13 14 13 MAR 4 50876.00 -6337 19795 95964 14 12 14 MAR 5 50877.00 -6530 20009 93804 17 13 14 MAR 6 50878.00 -6719 20259 91678 15 15 13 MAR 7 50879.00 -6822 20434 89707 13 13 13 MAR 8 50880.00 -7028 20578 87801 21 16 16 MAR 9 50881.00 -7209 20795 86007 16 14 15 MAR 10 50882.00 -7384 21040 84152 15 11 13 MAR 11 50883.00 -7474 21278 82302 16 13 15 MAR 12 50884.00 -7585 21479 80303 13 12 14 MAR 13 50885.00 -7679 21671 78256 17 15 13 MAR 14 50886.00 -7775 21866 76205 17 24 19 MAR 15 50887.00 -7884 22111 74087 22 17 16 MAR 16 50888.00 -8148 22273 72084 11 11 12 MAR 17 50889.00 -8407 22406 69974 13 15 13 MAR 18 50890.00 -8654 22560 67980 12 12 12 MAR 19 50891.00 -8879 22716 66137 12 11 12 MAR 20 50892.00 -9061 22906 64286 10 11 13 MAR 21 50893.00 -9257 23149 62604 20 17 16 MAR 22 50894.00 -9484 23225 60719 15 15 14 7-o - Satellite Laser Ranging : LAGEOS -EOP(CSR) 95 L 01 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1998 MJD x y UT1-UTC x y UT1-UTC FEB 2 50846.79 418 16941 157837 21 20 16 FEB 6 50850.03 -605 17221 150257 25 26 27 FEB 9 50853.20 -1378 17381 143634 20 25 21 FEB 11 50855.90 -2147 17436 138268 17 19 16 FEB 14 50858.84 -2750 17556 132505 24 25 28 FEB 18 50862.22 -3316 17987 125953 24 31 23 FEB 20 50864.82 -4104 18385 121288 24 23 22 FEB 23 50867.81 -5159 18645 115664 33 42 38 FEB 26 50870.96 -5829 18827 108581 21 22 19 MAR 2 50874.31 -6165 19415 99963 28 28 27 MAR 5 50877.02 -6602 19919 93656 29 32 24 MAR 8 50880.14 -7130 20525 87586 29 27 22 MAR 10 50882.89 -7543 21092 82428 31 26 26 MAR 13 50885.86 -7906 21727 76207 36 31 29 MAR 17 50889.00 -8564 22275 69646 25 26 21 MAR 19 50891.85 -9123 22742 64300 24 25 53 MAR 22 50894.92 -9745 23256 58888 29 26 142 7-p - Satellite Laser Ranging : LAGEOS -EOP(DUT) 98 L 01 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1998 MJD x y x y FEB 3 50847.00 515 17172 8 8 FEB 6 50850.00 -471 17357 12 15 FEB 9 50853.00 -1218 17491 8 9 FEB 12 50856.00 -1937 17615 8 7 FEB 15 50859.00 -2574 17768 11 16 FEB 18 50862.00 -3155 18209 10 12 FEB 21 50865.00 -4095 18547 10 12 FEB 24 50868.00 -5037 18880 11 13 FEB 27 50871.00 -5616 19079 9 9 MAR 2 50874.00 -5913 19590 12 10 MAR 5 50877.00 -6457 20003 13 11 MAR 8 50880.00 -6989 20663 13 14 MAR 11 50883.00 -7418 21332 12 9 MAR 14 50886.00 -7673 21914 16 17 MAR 17 50889.00 -8296 22501 10 9 MAR 20 50892.00 -9000 22945 11 10 MAR 23 50895.00 -9631 23459 9 9 MAR 26 50898.00 -9934 23984 9 8 7-q - Satellite Laser Ranging : LAGEOS -EOP(IAA) 96 L 02 Units : 0.00001" for x,y, 0.000001s for UT1.and D. Date Uncertainties 1998 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50845.00 1115 16873 162307 2539 16 16 30 15 FEB 2 50846.00 777 16942 159761 2532 15 15 30 15 FEB 3 50847.00 435 17005 157248 2476 15 15 30 15 FEB 4 50848.00 143 17098 154806 2399 15 15 30 15 FEB 5 50849.00 -193 17159 152452 2307 15 15 30 15 FEB 6 50850.00 -523 17245 150204 2193 15 15 30 15 FEB 7 50851.00 -775 17315 148060 2081 15 15 30 16 FEB 8 50852.00 -1014 17378 145994 2050 15 15 30 15 FEB 9 50853.00 -1273 17417 143963 2009 15 15 30 15 FEB 10 50854.00 -1536 17428 141977 1959 15 15 30 15 FEB 11 50855.00 -1817 17447 140028 1935 15 15 30 15 FEB 12 50856.00 -2091 17472 138081 1956 15 15 30 15 FEB 13 50857.00 -2320 17520 136114 1972 16 16 30 15 FEB 14 50858.00 -2524 17565 134138 1973 15 15 30 15 FEB 15 50859.00 -2697 17645 132157 1981 16 16 30 16 FEB 16 50860.00 -2847 17772 130179 1968 16 16 30 15 FEB 17 50861.00 -3025 17907 128231 1923 16 16 30 15 FEB 18 50862.00 -3207 18041 126338 1857 16 16 30 15 FEB 19 50863.00 -3467 18173 124517 1783 15 15 30 15 FEB 20 50864.00 -3784 18303 122748 1754 15 15 30 15 FEB 21 50865.00 -4101 18424 120972 1799 15 15 30 15 FEB 22 50866.00 -4466 18506 119151 1849 15 15 30 15 FEB 23 50867.00 -4819 18594 117272 1914 15 15 30 15 FEB 24 50868.00 -5120 18677 115315 2004 16 16 30 15 FEB 25 50869.00 -5382 18754 113231 2167 16 15 30 15 FEB 26 50870.00 -5599 18833 110966 2359 16 15 30 15 FEB 27 50871.00 -5793 18930 108536 2489 16 16 30 16 FEB 28 50872.00 -5897 19059 105983 2599 15 15 30 15 MAR 1 50873.00 -5976 19212 103355 2633 15 15 30 15 MAR 2 50874.00 -6069 19376 100734 2586 16 16 30 15 MAR 3 50875.00 -6210 19542 98211 2444 16 16 30 15 MAR 4 50876.00 -6375 19715 95851 2268 15 15 30 15 MAR 5 50877.00 -6542 19899 93659 2117 16 16 30 15 MAR 6 50878.00 -6714 20116 91605 1997 15 15 30 15 MAR 7 50879.00 -6855 20334 89662 1895 16 16 30 15 MAR 8 50880.00 -7007 20530 87795 1841 16 15 30 15 MAR 9 50881.00 -7169 20761 85962 1825 15 15 30 15 MAR 10 50882.00 -7321 20980 84106 1885 16 15 30 15 MAR 11 50883.00 -7489 21176 82185 1956 16 15 30 15 MAR 12 50884.00 -7632 21393 80183 2046 16 16 30 15 MAR 13 50885.00 -7731 21600 78115 2085 16 16 30 15 MAR 14 50886.00 -7867 21797 76010 2120 16 16 30 15 MAR 15 50887.00 -8036 21981 73894 2105 16 16 30 15 MAR 16 50888.00 -8252 22149 71813 2047 16 15 30 15 MAR 17 50889.00 -8473 22310 69678 1975 16 16 30 15 MAR 18 50890.00 -8722 22486 67837 1890 15 15 30 15 MAR 19 50891.00 -8910 22640 65980 1822 16 16 30 15 MAR 20 50892.00 -9101 22822 64197 1745 15 15 30 15 MAR 21 50893.00 -9284 23001 62467 1718 16 15 30 15 MAR 22 50894.00 -9480 23161 60739 1743 16 15 30 15 MAR 23 50895.00 -9655 23313 58965 1813 15 15 30 15 MAR 24 50896.00 -9808 23470 57084 1953 15 15 30 15 MAR 25 50897.00 -9942 23630 55042 2130 17 16 30 16 MAR 26 50898.00 -10087 23817 52816 2313 19 20 43 34 MAR 27 50899.00 -10237 24004 50413 2476 18 18 38 27 MAR 28 50900.00 -10389 24183 47875 2579 19 19 39 29 MAR 29 50901.00 -10541 24354 45273 2602 21 23 51 44 7-r - Satellite Laser Ranging : LAGEOS -EOP(MCC) 97 L 01 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1998 MJD x y D x y D FEB 3 50847.00 455 17095 2420 7 6 10 FEB 6 50850.00 -545 17357 2190 9 7 10 FEB 9 50853.00 -1237 17503 2040 7 7 10 FEB 12 50856.00 -2039 17582 1960 5 5 10 FEB 15 50859.00 -2659 17725 1990 6 6 10 FEB 18 50862.00 -3217 18144 1810 5 5 10 FEB 21 50865.00 -4056 18431 1800 10 6 10 FEB 24 50868.00 -5040 18791 2020 9 9 10 FEB 27 50871.00 -5750 18998 2500 6 6 10 MAR 2 50874.00 -6052 19499 2540 5 4 10 MAR 5 50877.00 -6484 20016 2120 8 6 10 MAR 8 50880.00 -6945 20642 1930 7 6 10 MAR 11 50883.00 -7463 21287 2000 7 4 10 MAR 14 50886.00 -7830 21898 2170 11 10 10 MAR 17 50889.00 -8454 22402 1980 5 6 10 MAR 20 50892.00 -9060 22902 1770 5 5 10 MAR 23 50895.00 -9636 23433 1920 6 4 MAR 26 50898.00 -10105 23878 2470 8 7 10