BULLETIN B 121 2 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. JAN 1 50814 .10262 .17459 .217169 -30.782831 -40.9 -4.3 JAN 6 50819 .09053 .17171 .209267 -30.790733 -40.6 -4.1 JAN 11 50824 .07639 .16847 .201098 -30.798902 -41.7 -4.3 JAN 16 50829 .06051 .16755 .192597 -30.807403 -41.0 -3.9 JAN 21 50834 .04498 .16821 .183910 -30.816090 -41.4 -4.7 JAN 26 50839 .02877 .16660 .174585 -30.825415 -41.6 -5.1 JAN 31 50844 .01438 .16898 .164546 -30.835454 -41.9 -4.3 FEB 5 50849 -.00174 .17265 .153755 -30.846245 -41.7 -4.7 Preliminary extension, to be updated weekly in Bulletin A and monthly in Bulletin B. FEB 10 50854 -.01493 .17525 .142226 -30.857774 -41.2 -5.3 FEB 15 50859 -.02680 .17720 .132062 -30.867938 -41.5 -5.3 FEB 20 50864 -.03764 .18409 .122259 -30.877741 -41.1 -6.2 FEB 25 50869 -.05341 .18878 .112040 -30.887960 -38.9 -6.3 MAR 2 50874 -.06517 .19435 .101973 -30.898027 -40.0 -6.1 MAR 7 50879 -.07480 .20209 .090375 -30.909625 -40.0 -7.3 MAR 12 50884 -.08581 .20933 .078534 -30.921466 -38.3 -7.0 MAR 17 50889 -.09701 .21786 .066636 -30.933364 -39.3 -7.3 MAR 22 50894 -.10544 .22720 .054670 -30.945330 -38.7 -8.2 MAR 27 50899 -.11536 .23675 .042600 -30.957400 -37.7 -7.6 APR 1 50904 -.12350 .24729 .030423 -30.969577 -39.4 -8.1 APR 6 50909 -.13099 .25823 .018171 -30.981829 -37.6 -8.7 APR 11 50914 -.13840 .26962 .005902 -30.994098 -37.7 -8.2 APR 16 50919 -.14431 .28162 -.006312 -31.006312 -38.3 -8.8 APR 21 50924 -.14998 .29392 -.018409 -31.018409 -36.8 -9.0 APR 26 50929 -.15475 .30660 -.030303 -31.030303 -38.0 -8.3 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" JAN 1 50814 .10262 .17459 .218143 .974 1.478 -40.9 -4.3 JAN 2 50815 .10040 .17381 .216592 .849 1.656 -40.7 -4.2 JAN 3 50816 .09786 .17311 .214837 .586 1.870 -40.5 -4.2 JAN 4 50817 .09558 .17266 .212868 .220 2.047 -40.4 -4.1 JAN 5 50818 .09316 .17230 .210764 -.191 2.100 -40.5 -4.1 JAN 6 50819 .09053 .17171 .208689 -.578 2.026 -40.6 -4.1 JAN 7 50820 .08812 .17127 .206732 -.881 1.914 -40.8 -4.3 JAN 8 50821 .08552 .17063 .204873 -1.058 1.776 -41.2 -4.3 JAN 9 50822 .08251 .16992 .203180 -1.092 1.588 -41.5 -4.3 JAN 10 50823 .07942 .16896 .201687 -.996 1.437 -41.7 -4.4 JAN 11 50824 .07639 .16847 .200292 -.806 1.402 -41.7 -4.3 JAN 12 50825 .07288 .16831 .198868 -.572 1.424 -41.7 -4.3 JAN 13 50826 .06950 .16794 .197430 -.339 1.451 -41.6 -4.2 JAN 14 50827 .06677 .16779 .195958 -.142 1.536 -41.3 -4.1 JAN 15 50828 .06390 .16768 .194353 .001 1.636 -41.1 -4.0 JAN 16 50829 .06051 .16755 .192685 .088 1.668 -41.0 -3.9 JAN 17 50830 .05729 .16751 .191020 .124 1.691 -41.0 -3.9 JAN 18 50831 .05411 .16756 .189310 .126 1.739 -41.0 -4.1 JAN 19 50832 .05112 .16789 .187550 .113 1.764 -41.1 -4.3 JAN 20 50833 .04835 .16832 .185789 .110 1.754 -41.2 -4.5 JAN 21 50834 .04498 .16821 .184049 .139 1.738 -41.4 -4.7 JAN 22 50835 .04168 .16772 .182316 .214 1.715 -41.5 -4.9 JAN 23 50836 .03815 .16732 .180618 .340 1.689 -41.6 -5.0 JAN 24 50837 .03473 .16726 .178934 .513 1.698 -41.6 -5.1 JAN 25 50838 .03177 .16701 .177215 .715 1.712 -41.5 -5.1 JAN 26 50839 .02877 .16660 .175497 .912 1.725 -41.6 -5.1 JAN 27 50840 .02591 .16686 .173748 1.058 1.805 -41.6 -5.0 JAN 28 50841 .02320 .16730 .171870 1.097 1.998 -41.7 -4.9 JAN 29 50842 .02043 .16779 .169740 .986 2.260 -41.7 -4.6 JAN 30 50843 .01752 .16840 .167353 .713 2.453 -41.8 -4.5 JAN 31 50844 .01438 .16898 .164851 .305 2.518 -41.9 -4.3 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 -.00509 .17345 .150177 -1.216 2.195 -41.7 -4.8 FEB 7 50851 -.00739 .17399 .148056 -1.025 2.068 -41.6 -5.0 FEB 8 50852 -.00987 .17479 .146024 -.773 2.048 -41.5 -5.1 FEB 9 50853 -.01241 .17520 .143942 -.510 2.031 -41.4 -5.2 FEB 10 50854 -.01493 .17525 .141951 -.275 1.942 -41.2 -5.3 FEB 11 50855 -.01788 .17542 .140053 -.094 1.925 -41.1 -5.2 FEB 12 50856 -.02084 .17569 .138101 .025 1.968 -41.1 -5.3 FEB 13 50857 -.02302 .17615 .136120 .088 1.977 -41.2 -5.3 FEB 14 50858 -.02500 .17650 .134152 .109 1.978 -41.3 -5.2 FEB 15 50859 -.02680 .17720 .132171 .109 1.972 -41.5 -5.3 FEB 16 50860 -.02859 .17846 .130217 .114 1.975 -41.7 -5.3 FEB 17 50861 -.03012 .17967 .128228 .147 1.965 -41.7 -5.6 FEB 18 50862 -.03201 .18127 .126292 .227 1.848 -41.7 -5.7 FEB 19 50863 -.03472 .18280 .124534 .363 1.739 -41.5 -5.9 FEB 20 50864 -.03764 .18409 .122811 .552 1.760 -41.1 -6.2 FEB 21 50865 -.04095 .18524 .121007 .779 1.819 -40.5 -6.4 FEB 22 50866 -.04459 .18627 .119161 1.014 1.865 -40.0 -6.5 FEB 23 50867 -.04804 .18674 .117261 1.214 1.910 -39.5 -6.5 FEB 24 50868 -.05120 .18769 .115323 1.323 1.958 -39.0 -6.4 FEB 25 50869 -.05341 .18878 .113326 1.286 2.084 -38.9 -6.3 FEB 26 50870 -.05538 .18958 .111148 1.068 2.270 -38.8 -6.1 FEB 27 50871 -.05728 .19059 .108815 .673 2.430 -39.0 -6.0 FEB 28 50872 -.05951 .19172 .106330 .153 2.523 -39.2 -6.0 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" JAN 1 50814 .10253 .17442 .218140 -40.43 -4.40 .15 .14 .07 .28 .16 JAN 6 50819 .09071 .17208 .208692 -40.88 -4.48 .13 .15 .09 .36 .23 JAN 11 50824 .07630 .16852 .200291 ~ ~ .11 .12 .08 ~ ~ JAN 16 50829 .06046 .16747 .192686 -41.23 -4.11 .12 .13 .06 .28 .16 JAN 21 50834 .04498 .16826 .184049 -41.35 -4.68 .10 .13 .06 .22 .15 JAN 26 50839 .02874 .16658 .175498 -41.35 -4.89 .10 .12 .05 .59 .35 JAN 31 50844 .01441 .16897 .164852 ~ ~ .12 .14 .08 ~ ~ FEB 5 50849 -.00154 .17283 .152459 -41.68 -4.68 .09 .11 .05 .27 .16 FEB 10 50854 -.01493 .17526 .141952 -40.99 -5.06 .08 .11 .06 .26 .15 FEB 15 50859 -.02681 .17718 .132170 ~ ~ .12 .13 .05 ~ ~ FEB 20 50864 -.03784 .18410 .122810 -41.37 -6.48 .11 .12 .07 .23 .13 FEB 25 50869 -.05345 .18865 .113325 ~ ~ .17 .16 .18 ~ ~ MAR 2 50874 -.06296 .19544 ~ ~ ~ .72 .72 ~ ~ ~ 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) JAN 1 50814 .00143 72.921 15026 JAN 6 50819 .00168 15005 JAN 11 50824 .00163 15009 JAN 16 50829 .00173 15000 JAN 21 50834 .00179 14995 JAN 26 50839 .00191 14985 JAN 31 50844 .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 .14 .11 .05 - .25 .10 6 50820.25 to 50862.25 .42 .13 .08 - .22 .14 EOP(USNO) 97 R 08 .13 .10 .04 .14 .19 .08 7 50820.25 to 50862.25 .20 .12 .03 .28 .03 .02 EOP(USNO) 97 R 09 - - .12 - - - 35 50816.76 to 50867.62 - - .04 - - - GPS EOP(CODE) 96 P 03 .01 .02 - .02 - - 52 50814.50 to 50865.50 .14 .14 - .21 - - EOP(EMR) 96 P 03 .11 .11 - .13 - - 58 50814.50 to 50872.50 .23 .29 - .46 - - EOP(ESOC) 96 P 01 .05 .05 - .06 - - 43 50814.50 to 50858.50 .23 .27 - .23 - - EOP(GFZ) 96 P 02 .02 .02 - .03 - - 45 50814.50 to 50858.50 .17 .18 - .23 - - EOP(JPL) 96 P 03 .04 .04 - .09 - - 52 50814.50 to 50865.50 .21 .14 - .33 - - EOP(NOAA) 96 P 01 .04 .04 - .15 - - 55 50814.50 to 50868.50 .39 .52 - .58 - - EOP(SIO) 96 P 01 .07 .07 - .18 - - 52 50814.50 to 50858.50 .20 .26 - .48 - - EOP(IGS) 95 P 02 .10 .12 .20 .10 - - 45 50814.50 to 50858.50 .14 .13 .30 .22 - - EOP(IGS) 96 P 02 .28 .33 .39 .16 - - 59 50814.50 to 50872.50 .22 .26 .65 .23 - - EOP(IERS) 97 P 01 .11 .15 .21 .14 - - 59 50814.50 to 50872.50 .10 .07 .30 .16 - - SLR EOP(CGS) 97 L 02 .20 .22 .19 - - - 52 50814.00 to 50865.00 .64 .64 .97 - - - EOP(CSR) 95 L 01 .33 .33 .32 - - - 19 50814.94 to 50867.18 .11 .18 .75 - - - EOP(DUT) 98 L 01 .12 .14 - - - - 19 50814.00 to 50865.00 .49 .73 - - - - EOP(IAA) 96 L 02 .16 .16 .30 .15 - - 59 50814.00 to 50872.00 .12 .15 .35 .16 - - EOP(MCC) 97 L 01 .07 .09 - .11 - - 18 50814.00 to 50865.00 .37 .36 - .44 - - Bulletin A EOP(NEOS) 97 C 01 .12 .15 .15 - - - 62 50814.00 to 50875.00 .12 .10 .16 - - - 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 . 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 JAN 7 50820.25 8852 17215 206242 -4155 -428 17 14 5 31 12 JAN 14 50827.25 6752 16871 195571 -4197 -399 12 10 4 23 9 JAN 21 50834.25 4533 16908 183621 -4228 -472 13 12 4 25 10 FEB 4 50848.25 166 17288 154239 -4203 -493 16 13 4 29 12 FEB 11 50855.25 -1710 17613 139575 -4165 -524 11 10 4 21 8 FEB 18 50862.25 -3048 18247 125833 -4192 -582 13 10 5 24 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 JAN 7 50820.25 8712 17087 206262 -4102 -432 11 10 4 17 7 JAN 14 50827.25 6564 16784 195574 -4137 -415 13 11 4 18 8 JAN 21 50834.25 4375 16804 183618 -4147 -481 9 8 3 14 6 JAN 28 50841.25 2190 16754 171367 -4177 -486 25 17 6 39 19 FEB 4 50848.25 52 17206 154230 -4183 -460 11 10 4 17 7 FEB 11 50855.25 -1890 17550 139579 -4115 -532 12 10 4 16 7 FEB 18 50862.25 -3261 18170 125840 -4177 -587 8 6 4 14 5 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 JAN 3 50816.76 213361 21 JAN 3 50816.93 213026 15 JAN 5 50818.76 209194 12 JAN 8 50821.75 203595 13 JAN 9 50822.74 202061 13 JAN 10 50823.81 200557 19 JAN 12 50825.74 197815 12 JAN 15 50828.73 193144 8 JAN 16 50829.73 191483 8 JAN 19 50832.72 186289 10 JAN 22 50835.71 181111 10 JAN 23 50836.71 179434 8 JAN 24 50837.70 177723 12 JAN 24 50837.87 177453 14 JAN 26 50839.70 174288 8 JAN 29 50842.69 168114 10 JAN 30 50843.68 165668 10 JAN 31 50844.69 163130 15 JAN 31 50844.85 162748 23 FEB 2 50846.68 158070 15 FEB 3 50847.68 155604 9 FEB 5 50849.67 150917 9 FEB 6 50850.67 148742 13 FEB 7 50851.67 146710 16 FEB 7 50851.83 146374 13 FEB 9 50853.66 142619 14 FEB 10 50854.66 140703 8 FEB 12 50856.66 136795 10 FEB 13 50857.65 134847 7 FEB 14 50858.65 132868 7 FEB 14 50858.81 132551 12 FEB 16 50860.64 128946 12 FEB 17 50861.64 126988 13 FEB 19 50863.63 123457 15 FEB 23 50867.62 116063 15 7 -d - EOP(CODE) 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 JAN 1 50814.50 10179 17368 232610 1605 1 1 2 1 JAN 2 50815.50 9944 17297 230903 1773 1 2 2 1 JAN 3 50816.50 9700 17244 229009 1940 1 2 2 1 JAN 4 50817.50 9454 17209 226961 2063 1 1 2 1 JAN 5 50818.50 9208 17168 224862 2079 1 1 2 1 JAN 6 50819.50 8963 17124 222822 1992 1 1 2 1 JAN 7 50820.50 8712 17058 220899 1855 1 1 2 1 JAN 8 50821.50 8425 16992 219147 1681 1 1 2 2 JAN 9 50822.50 8114 16917 217565 1520 1 1 2 2 JAN 10 50823.50 7797 16860 216082 1442 1 1 2 2 JAN 11 50824.50 7473 16816 214631 1435 1 1 3 2 JAN 12 50825.50 7149 16777 213175 1462 1 1 3 2 JAN 13 50826.50 6845 16760 211661 1535 1 1 3 2 JAN 14 50827.50 6553 16741 210077 1612 1 1 3 2 JAN 15 50828.50 6245 16739 208433 1672 1 1 3 2 JAN 16 50829.50 5917 16722 206753 1704 1 1 3 2 JAN 17 50830.50 5602 16725 205052 1717 1 1 3 2 JAN 18 50831.50 5301 16739 203296 1760 2 2 3 2 JAN 19 50832.50 5003 16776 201498 1790 2 2 3 2 JAN 20 50833.50 4678 16801 199710 1771 2 2 3 2 JAN 21 50834.50 4333 16784 197985 1701 2 2 3 2 JAN 22 50835.50 3999 16756 196274 1685 2 2 3 2 JAN 23 50836.50 3672 16712 194545 1706 2 2 3 2 JAN 24 50837.50 3343 16667 192820 1713 3 2 3 2 JAN 25 50838.50 3025 16609 191110 1718 2 2 3 2 JAN 26 50839.50 2734 16606 189377 1766 2 2 2 2 JAN 27 50840.50 2451 16637 187548 1888 2 2 2 2 JAN 28 50841.50 2168 16658 185532 2095 3 3 3 2 JAN 29 50842.50 1907 16728 183286 2327 2 2 2 2 JAN 30 50843.50 1623 16838 180872 2475 1 2 2 1 JAN 31 50844.50 1305 16894 178355 2541 1 1 2 1 FEB 1 50845.50 982 16963 175800 2537 1 1 2 1 FEB 2 50846.50 672 17040 173244 2502 1 1 2 1 FEB 3 50847.50 341 17121 170735 2433 1 1 2 1 FEB 4 50848.50 5 17197 168311 2344 1 1 2 1 FEB 5 50849.50 -308 17261 165993 2249 1 1 2 1 FEB 6 50850.50 -595 17341 163817 2126 1 1 2 1 FEB 7 50851.50 -847 17420 161720 2072 1 2 2 1 FEB 8 50852.50 -1100 17470 159683 2038 2 2 3 2 FEB 9 50853.50 -1350 17490 157720 1981 2 2 3 2 FEB 10 50854.50 -1631 17494 155812 1936 2 2 3 2 FEB 11 50855.50 -1894 17527 153905 1938 1 2 2 2 FEB 12 50856.50 -2162 17565 151965 1967 1 2 2 2 FEB 13 50857.50 -2384 17603 150009 1974 1 2 2 2 FEB 14 50858.50 -2575 17657 148032 1985 1 2 2 2 FEB 15 50859.50 -2742 17751 146041 1985 1 2 2 2 FEB 16 50860.50 -2916 17871 144078 1946 1 2 2 2 FEB 17 50861.50 -3096 18013 142169 1884 1 2 2 2 FEB 18 50862.50 -3325 18167 140335 1805 1 2 2 2 FEB 19 50863.50 -3601 18311 138532 1777 1 1 2 1 FEB 20 50864.50 -3924 18446 136730 1786 1 1 2 1 FEB 21 50865.50 -4267 18545 134907 1822 1 1 2 1 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 JAN 1 50814.50 10162 17500 205707 1625 6 6 22 11 JAN 2 50815.50 9884 17416 204015 1850 5 6 22 10 JAN 3 50816.50 9666 17362 202178 1983 6 6 22 11 JAN 4 50817.50 9449 17256 200165 2119 6 6 22 10 JAN 5 50818.50 9198 17237 198065 2131 6 6 22 10 JAN 6 50819.50 8948 17196 196018 2020 6 6 22 10 JAN 7 50820.50 8710 17136 194106 1844 6 6 22 10 JAN 8 50821.50 8430 17118 192316 1627 6 6 22 10 JAN 9 50822.50 8102 16966 190739 1541 6 6 22 9 JAN 10 50823.50 7781 16927 189242 1355 6 6 22 11 JAN 11 50824.50 7464 16878 187838 1402 6 7 22 10 JAN 12 50825.50 7117 16841 186384 1440 6 6 22 10 JAN 13 50826.50 6806 16815 184908 1522 7 7 22 11 JAN 14 50827.50 6543 16831 183325 1514 6 6 22 10 JAN 15 50828.50 6230 16778 181673 1655 6 6 22 11 JAN 16 50829.50 5876 16789 179982 1678 6 6 22 10 JAN 17 50830.50 5538 16790 178258 1735 7 7 22 11 JAN 18 50831.50 5240 16800 176498 1731 7 7 22 12 JAN 19 50832.50 4970 16863 174692 1830 6 7 22 9 JAN 20 50833.50 4675 16852 172888 1826 6 7 22 10 JAN 21 50834.50 4276 16836 171165 1785 7 8 23 12 JAN 22 50835.50 3907 16800 169457 1659 8 8 23 12 JAN 23 50836.50 3597 16759 167772 1824 7 8 23 12 JAN 24 50837.50 3310 16744 166045 1762 8 8 23 12 JAN 25 50838.50 3068 16832 165809 1737 26 27 25 16 JAN 26 50839.50 2706 16775 164091 1749 22 24 26 17 JAN 27 50840.50 2494 16906 162226 1857 22 24 26 17 JAN 28 50841.50 2167 16756 160304 1977 31 27 29 35 JAN 29 50842.50 1849 16883 158011 2310 32 31 29 26 JAN 30 50843.50 1538 17025 155547 2528 23 21 27 20 JAN 31 50844.50 1222 17026 153028 2516 21 20 27 18 FEB 1 50845.50 897 17157 150463 2539 25 26 28 22 FEB 2 50846.50 636 17141 147922 2532 23 24 27 18 FEB 3 50847.50 310 17277 145416 2445 23 24 27 18 FEB 4 50848.50 -15 17283 143039 2349 15 16 24 14 FEB 6 50850.50 -723 17421 138479 2136 17 18 24 12 FEB 7 50851.50 -873 17500 136327 2111 26 22 26 15 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 -4629 18691 107449 1847 15 14 24 12 FEB 23 50867.50 -4940 18763 105523 1977 14 13 23 11 FEB 24 50868.50 -5256 18882 103572 2107 17 18 23 13 FEB 25 50869.50 -5424 18940 101333 2213 15 14 24 13 FEB 26 50870.50 -5706 19063 99042 2347 15 18 23 12 FEB 27 50871.50 -5818 19136 96589 2486 14 13 23 13 FEB 28 50872.50 -5876 19308 93985 2660 14 13 23 13 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 JAN 1 50814.50 10154 17449 217331 1539 5 5 7 5 JAN 2 50815.50 9922 17386 215658 1724 4 4 7 5 JAN 3 50816.50 9675 17298 213829 1902 4 4 7 5 JAN 4 50817.50 9431 17274 211848 2064 4 5 7 5 JAN 5 50818.50 9183 17244 209764 2091 5 4 7 5 JAN 6 50819.50 8943 17210 207704 2011 5 5 7 6 JAN 7 50820.50 8686 17146 205861 1837 5 5 7 6 JAN 8 50821.50 8403 17057 204157 1667 5 5 8 6 JAN 9 50822.50 8079 16992 202558 1504 4 4 6 5 JAN 10 50823.50 7776 16913 201077 1405 5 5 7 5 JAN 11 50824.50 7481 16896 199644 1391 4 5 7 5 JAN 12 50825.50 7127 16869 198170 1419 4 4 7 5 JAN 13 50826.50 6851 16823 196650 1500 4 4 7 5 JAN 14 50827.50 6547 16795 195120 1561 4 4 7 5 JAN 15 50828.50 6211 16798 193491 1658 5 5 7 5 JAN 16 50829.50 5871 16828 191838 1664 5 5 7 6 JAN 17 50830.50 5558 16811 190139 1682 5 5 7 6 JAN 18 50831.50 5268 16818 188371 1758 4 4 7 5 JAN 19 50832.50 4991 16860 186570 1760 4 5 7 6 JAN 20 50833.50 4717 16863 184776 1748 6 8 8 7 JAN 21 50834.50 4355 16796 183073 1694 7 8 7 6 JAN 22 50835.50 4030 16810 181381 1698 11 9 7 7 JAN 23 50836.50 3636 16734 179683 1694 5 7 7 6 JAN 24 50837.50 3383 16763 177971 1698 7 8 7 6 JAN 26 50839.50 2713 16668 174582 1736 5 6 7 5 JAN 27 50840.50 2540 16815 172800 1900 5 7 7 5 JAN 28 50841.50 2201 16806 170774 2132 6 8 7 6 JAN 29 50842.50 1924 16803 168540 2380 4 6 7 6 JAN 30 50843.50 1572 16865 166163 2493 5 6 8 6 JAN 31 50844.50 1269 16925 163686 2548 4 6 7 6 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 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 JAN 1 50814.50 10182 17413 217361 1589 2 3 4 4 JAN 2 50815.50 9935 17333 215691 1747 2 2 4 4 JAN 3 50816.50 9679 17263 213790 1908 2 2 3 3 JAN 4 50817.50 9450 17228 211802 2058 2 2 3 3 JAN 5 50818.50 9204 17193 209720 2091 2 2 3 3 JAN 6 50819.50 8945 17146 207669 2003 2 2 3 3 JAN 7 50820.50 8707 17083 205732 1866 2 2 3 3 JAN 8 50821.50 8427 17016 203947 1705 2 2 3 3 JAN 9 50822.50 8120 16939 202336 1520 2 2 3 3 JAN 10 50823.50 7818 16869 200944 1429 2 2 3 3 JAN 11 50824.50 7500 16827 199523 1422 2 2 3 3 JAN 12 50825.50 7150 16786 198102 1428 2 2 3 3 JAN 13 50826.50 6844 16763 196625 1529 2 2 3 3 JAN 14 50827.50 6566 16757 195059 1607 2 2 3 3 JAN 15 50828.50 6260 16742 193425 1661 2 2 3 3 JAN 16 50829.50 5921 16738 191734 1719 2 2 3 3 JAN 17 50830.50 5601 16743 190148 1701 2 2 3 3 JAN 18 50831.50 5309 16761 188406 1780 2 2 3 3 JAN 19 50832.50 5016 16802 186614 1800 2 2 3 3 JAN 20 50833.50 4694 16844 184833 1760 2 2 3 3 JAN 21 50834.50 4332 16846 183092 1720 2 2 3 3 JAN 22 50835.50 3992 16777 181388 1688 2 2 3 3 JAN 23 50836.50 3665 16723 179679 1734 2 2 3 3 JAN 24 50837.50 3358 16685 178115 1724 2 2 3 3 JAN 25 50838.50 3033 16690 176405 1704 2 2 3 3 JAN 26 50839.50 2742 16673 174688 1738 2 2 3 3 JAN 27 50840.50 2483 16703 172867 1912 2 2 3 3 JAN 28 50841.50 2212 16761 170850 2126 2 2 3 3 JAN 29 50842.50 1927 16823 168614 2345 2 2 3 3 JAN 30 50843.50 1627 16875 166179 2515 2 2 3 3 JAN 31 50844.50 1310 16924 163602 2508 2 2 3 3 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 133214 1992 2 2 3 3 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 JAN 1 50814.50 10132 17430 211900 1623 3 3 9 9 JAN 2 50815.50 9916 17358 210184 1804 3 3 9 9 JAN 3 50816.50 9650 17286 208305 1946 3 3 9 9 JAN 4 50817.50 9388 17249 206281 2093 3 3 8 8 JAN 5 50818.50 9163 17203 204172 2111 3 3 8 8 JAN 6 50819.50 8917 17164 202099 2027 3 3 9 9 JAN 7 50820.50 8660 17108 200144 1879 3 3 8 8 JAN 8 50821.50 8403 17032 198349 1710 3 3 8 8 JAN 9 50822.50 8086 16946 196734 1524 3 3 8 8 JAN 10 50823.50 7777 16870 195260 1431 2 3 8 8 JAN 11 50824.50 7461 16852 193834 1429 3 3 8 8 JAN 12 50825.50 7113 16833 192395 1458 3 3 8 8 JAN 13 50826.50 6799 16799 190898 1540 3 3 8 8 JAN 14 50827.50 6533 16774 189300 1658 3 3 8 8 JAN 15 50828.50 6217 16768 187619 1703 3 3 8 8 JAN 16 50829.50 5879 16757 185895 1743 3 3 8 8 JAN 17 50830.50 5565 16755 184127 1790 3 3 8 8 JAN 18 50831.50 5274 16774 182303 1855 3 3 8 8 JAN 19 50832.50 4964 16807 180441 1866 4 4 9 9 JAN 20 50833.50 4649 16823 178579 1855 6 7 9 9 JAN 21 50834.50 4342 16817 176776 1748 8 7 9 9 JAN 22 50835.50 3946 16755 175042 1721 7 7 9 9 JAN 23 50836.50 3621 16713 173297 1773 7 7 10 10 JAN 24 50837.50 3278 16696 171543 1739 9 8 10 10 JAN 25 50838.50 3060 16633 169811 1732 5 6 10 10 JAN 26 50839.50 2711 16657 168065 1768 4 4 10 10 JAN 27 50840.50 2464 16692 166231 1908 4 4 9 9 JAN 28 50841.50 2195 16776 164183 2194 4 4 9 9 JAN 29 50842.50 1895 16803 161880 2411 3 4 10 10 JAN 30 50843.50 1592 16868 159406 2527 4 4 10 10 JAN 31 50844.50 1285 16931 156856 2560 4 4 10 10 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 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 JAN 1 50814.50 10190 17450 216788 1636 4 4 8 15 JAN 2 50815.50 9944 17437 215403 1814 4 4 7 14 JAN 3 50816.50 9751 17289 213519 1970 4 4 7 14 JAN 4 50817.50 9468 17269 211523 2125 4 4 7 15 JAN 5 50818.50 9285 17231 209538 2173 4 4 7 14 JAN 6 50819.50 8985 17239 207689 2010 4 5 8 16 JAN 7 50820.50 8857 17129 205928 1864 4 5 8 16 JAN 8 50821.50 8516 17100 204320 1703 4 4 7 15 JAN 9 50822.50 8183 17003 202913 1453 4 4 7 14 JAN 10 50823.50 7864 16937 201526 1399 3 4 7 14 JAN 11 50824.50 7547 16942 199532 1447 4 4 7 14 JAN 12 50825.50 7203 16912 198174 1419 4 4 7 14 JAN 13 50826.50 6862 16852 196749 1531 4 4 7 14 JAN 14 50827.50 6647 16818 195309 1571 4 4 7 15 JAN 15 50828.50 6350 16806 193806 1568 4 4 7 14 JAN 16 50829.50 5948 16810 192139 1754 4 4 7 15 JAN 17 50830.50 5659 16789 190097 1717 4 4 7 14 JAN 18 50831.50 5320 16798 188328 1793 4 4 7 14 JAN 19 50832.50 5042 16794 186582 1796 4 5 7 14 JAN 20 50833.50 4844 16850 184933 1627 7 6 7 14 JAN 21 50834.50 4428 16938 183153 1770 7 6 7 14 JAN 22 50835.50 4170 16940 181574 1599 6 5 7 14 JAN 23 50836.50 3715 16833 179656 1757 5 5 7 14 JAN 24 50837.50 3464 16862 177979 1625 7 7 7 15 JAN 25 50838.50 3147 16821 176288 1556 5 6 8 16 JAN 26 50839.50 2807 16843 174488 1681 4 5 7 14 JAN 27 50840.50 2628 16927 172677 1735 5 5 8 15 JAN 28 50841.50 2310 16798 170607 2089 4 4 7 15 JAN 29 50842.50 1946 16926 168454 2381 4 4 7 14 JAN 30 50843.50 1622 16840 165996 2556 5 5 8 15 JAN 31 50844.50 1336 16984 163508 2572 4 4 7 14 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 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 JAN 1 50814.50 10158 17410 217264 1578 6 6 43 16 JAN 2 50815.50 9923 17328 215538 1826 6 6 47 16 JAN 3 50816.50 9683 17261 213691 1922 6 8 52 17 JAN 4 50817.50 9443 17230 2128 9 11 22 JAN 5 50818.50 9200 17200 209711 2102 6 8 20 19 JAN 6 50819.50 8959 17151 207627 2018 6 6 30 18 JAN 7 50820.50 8710 17092 205715 1839 6 6 37 16 JAN 8 50821.50 8446 17021 203991 1647 6 6 42 16 JAN 9 50822.50 8160 16941 202458 1457 6 6 47 18 JAN 10 50823.50 7875 16872 201053 1349 9 10 53 21 JAN 11 50824.50 7494 16862 1399 6 8 16 JAN 12 50825.50 7158 16821 198161 1408 6 6 19 19 JAN 13 50826.50 6854 16799 196777 1409 6 6 30 19 JAN 14 50827.50 6567 16780 195292 1531 6 6 37 16 JAN 15 50828.50 6267 16762 193668 1649 6 6 42 16 JAN 16 50829.50 5943 16748 192022 1647 6 6 50 23 JAN 17 50830.50 5635 16737 190286 1730 6 8 55 16 JAN 18 50831.50 5324 16775 1773 8 8 17 JAN 19 50832.50 5026 16830 186623 1799 6 6 18 17 JAN 20 50833.50 4697 16851 184840 1775 8 8 28 18 JAN 21 50834.50 4350 16815 183047 1777 6 8 39 23 JAN 22 50835.50 4022 16764 181336 1696 6 8 46 17 JAN 23 50836.50 3716 16720 179574 1748 6 6 51 17 JAN 24 50837.50 3437 16683 177914 1653 10 11 58 23 JAN 25 50838.50 3048 16609 1633 8 9 17 JAN 26 50839.50 2762 16627 174734 1716 6 8 18 17 JAN 27 50840.50 2492 16656 172953 1856 6 8 28 18 JAN 28 50841.50 2230 16696 171029 2045 6 8 35 18 JAN 29 50842.50 1948 16758 168844 2290 6 8 43 19 JAN 30 50843.50 1646 16815 166480 2423 6 8 48 17 JAN 31 50844.50 1341 16875 163992 2506 8 9 53 18 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 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 JAN 1 50814.50 10159 17418 217323 1601 8 17 23 4 JAN 2 50815.50 9920 17345 215649 1777 8 17 24 10 JAN 3 50816.50 9679 17277 213808 1934 11 15 23 4 JAN 4 50817.50 9434 17236 211807 2069 11 8 36 8 JAN 5 50818.50 9196 17200 209756 2086 10 9 20 8 JAN 6 50819.50 8945 17162 207737 1995 7 12 20 5 JAN 7 50820.50 8702 17098 205821 1846 16 11 17 7 JAN 8 50821.50 8426 17029 204061 1671 10 13 16 11 JAN 9 50822.50 8111 16948 202465 1505 11 10 15 11 JAN 10 50823.50 7803 16883 200975 1417 13 10 15 14 JAN 11 50824.50 7481 16851 199551 1421 8 12 19 6 JAN 12 50825.50 7134 16816 198129 1442 8 14 23 7 JAN 13 50826.50 6832 16788 196660 1517 9 11 26 12 JAN 14 50827.50 6555 16774 195128 1589 9 10 26 14 JAN 15 50828.50 6243 16763 193512 1657 12 9 24 10 JAN 16 50829.50 5903 16758 191842 1696 10 14 24 9 JAN 17 50830.50 5588 16754 190138 1712 12 11 24 6 JAN 18 50831.50 5293 16766 188418 1764 11 8 25 11 JAN 19 50832.50 4996 16807 186655 1791 12 11 8 7 JAN 20 50833.50 4673 16829 184915 1767 10 9 8 11 JAN 21 50834.50 4334 16815 183200 1713 9 11 12 17 JAN 22 50835.50 3977 16763 181497 1673 16 6 9 7 JAN 23 50836.50 3656 16727 179769 1723 16 12 14 14 JAN 24 50837.50 3328 16689 178092 1700 22 11 14 10 JAN 25 50838.50 3043 16639 176404 1683 7 18 30 13 JAN 26 50839.50 2720 16653 174677 1739 8 14 23 6 JAN 27 50840.50 2478 16702 172837 1884 13 26 26 20 JAN 28 50841.50 2199 16761 170807 2121 12 21 29 12 JAN 29 50842.50 1906 16796 168559 2355 8 18 23 16 JAN 30 50843.50 1601 16866 166145 2497 13 9 24 14 JAN 31 50844.50 1293 16927 163640 2531 9 10 27 12 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 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 JAN 1 50814.50 10232 17459 217358 1570 101 29 40 20 JAN 2 50815.50 9968 17358 215689 1769 77 22 42 19 JAN 3 50816.50 9703 17275 213879 1900 15 22 43 16 JAN 4 50817.50 9442 17258 211882 2058 16 15 43 13 JAN 5 50818.50 9200 17231 209731 2092 9 17 50 17 JAN 6 50819.50 9000 17232 207697 2013 31 37 51 15 JAN 7 50820.50 8710 17125 205864 1851 13 28 40 10 JAN 8 50821.50 8426 17065 204106 1657 17 28 41 16 JAN 9 50822.50 8134 16959 202506 1522 8 24 41 6 JAN 10 50823.50 7793 16896 201051 1400 13 14 41 8 JAN 11 50824.50 7479 16863 199632 1404 10 22 42 12 JAN 12 50825.50 7140 16844 198135 1442 12 17 25 11 JAN 13 50826.50 6841 16803 196659 1523 14 21 25 12 JAN 14 50827.50 6556 16800 195131 1574 11 11 21 10 JAN 15 50828.50 6266 16772 193511 1642 15 17 21 5 JAN 16 50829.50 5909 16783 191837 1704 11 13 22 6 JAN 17 50830.50 5643 16822 190119 1724 21 35 23 11 JAN 18 50831.50 5294 16838 188375 1763 19 30 24 11 JAN 19 50832.50 5067 16852 186528 1815 18 37 40 23 JAN 20 50833.50 4750 16891 184763 1798 27 35 41 19 JAN 21 50834.50 4348 16859 183083 1735 34 43 29 8 JAN 22 50835.50 4019 16848 181384 1676 41 32 30 10 JAN 23 50836.50 3664 16797 179668 1761 41 57 34 31 JAN 24 50837.50 3377 16763 177972 1751 33 43 37 21 JAN 25 50838.50 3106 16794 176252 1718 45 55 38 12 JAN 26 50839.50 2751 16764 174658 1746 42 52 28 10 JAN 27 50840.50 2458 16708 172832 1865 17 54 30 11 JAN 28 50841.50 2235 16706 170842 2013 57 38 31 31 JAN 29 50842.50 1939 16838 168609 2299 36 40 34 24 JAN 30 50843.50 1553 16944 166212 2510 55 41 37 20 JAN 31 50844.50 1289 16986 163710 2528 25 50 39 14 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 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 JAN 1 50814.50 10149 17416 217409 1583 11 6 30 13 JAN 2 50815.50 9915 17344 215711 1766 5 9 36 30 JAN 3 50816.50 9663 17279 213835 1925 9 12 24 19 JAN 4 50817.50 9429 17238 211799 2058 7 5 18 14 JAN 5 50818.50 9179 17197 209704 2082 9 10 16 12 JAN 6 50819.50 8929 17152 207669 1996 7 7 14 11 JAN 7 50820.50 8682 17092 205761 1851 13 6 16 8 JAN 8 50821.50 8406 17024 204018 1680 7 3 14 14 JAN 9 50822.50 8093 16945 202454 1512 6 9 9 3 JAN 10 50823.50 7783 16873 200995 1427 11 10 13 9 JAN 11 50824.50 7468 16843 199574 1415 11 10 13 10 JAN 12 50825.50 7123 16814 198168 1425 8 14 17 9 JAN 13 50826.50 6812 16786 196687 1514 10 8 19 14 JAN 14 50827.50 6537 16769 195130 1598 8 6 20 13 JAN 15 50828.50 6225 16760 193520 1654 8 8 28 15 JAN 16 50829.50 5889 16748 191872 1687 8 9 25 24 JAN 17 50830.50 5573 16750 190194 1707 6 11 17 7 JAN 18 50831.50 5279 16773 188451 1764 6 7 18 15 JAN 19 50832.50 4982 16810 186668 1791 11 10 19 10 JAN 20 50833.50 4668 16830 184897 1768 19 24 28 16 JAN 21 50834.50 4328 16816 183172 1714 21 34 34 23 JAN 22 50835.50 3963 16769 181483 1678 35 23 31 25 JAN 23 50836.50 3636 16721 179761 1712 8 20 21 18 JAN 24 50837.50 3333 16695 178043 1717 26 13 12 11 JAN 25 50838.50 3034 16662 176353 1707 30 37 16 4 JAN 26 50839.50 2720 16668 174651 1743 9 29 35 15 JAN 27 50840.50 2467 16703 172836 1883 30 33 40 32 JAN 28 50841.50 2186 16740 170815 2109 22 35 33 24 JAN 29 50842.50 1901 16804 168565 2340 12 27 30 23 JAN 30 50843.50 1598 16868 166145 2492 11 19 26 20 JAN 31 50844.50 1286 16925 163648 2531 8 14 20 16 FEB 1 50845.50 970 16984 161111 2530 11 10 16 12 FEB 2 50846.50 651 17053 158558 2506 14 28 28 10 FEB 3 50847.50 318 17146 156029 2456 6 14 37 26 FEB 4 50848.50 -5 17218 153592 2357 9 11 29 26 FEB 5 50849.50 -333 17280 151266 2250 6 21 15 12 FEB 6 50850.50 -616 17362 149082 2124 9 9 15 9 FEB 7 50851.50 -870 17436 146964 2082 8 15 33 12 FEB 8 50852.50 -1113 17506 144891 2059 6 31 34 31 FEB 9 50853.50 -1347 17535 142920 1973 7 17 18 15 FEB 10 50854.50 -1638 17528 141009 1924 14 16 15 10 FEB 11 50855.50 -1916 17559 139090 1935 6 5 13 11 FEB 12 50856.50 -2177 17582 137140 1965 20 28 11 7 FEB 13 50857.50 -2410 17635 135176 1972 9 24 11 8 FEB 14 50858.50 -2595 17694 133190 1989 14 8 17 8 FEB 15 50859.50 -2767 17791 131191 1995 6 5 16 15 FEB 16 50860.50 -2942 17890 129203 1975 7 21 11 5 FEB 17 50861.50 -3099 18043 127279 1908 6 6 13 10 FEB 18 50862.50 -3339 18214 125460 1804 8 11 10 9 FEB 19 50863.50 -3622 18351 123679 1771 3 5 18 4 FEB 20 50864.50 -3937 18452 121904 1774 10 18 20 18 FEB 21 50865.50 -4292 18584 120108 1812 4 9 22 8 FEB 22 50866.50 -4628 18644 118314 1827 3 6 22 21 FEB 23 50867.50 -4944 18717 116423 1947 14 9 9 8 FEB 24 50868.50 -5245 18827 114290 2078 31 17 90 5 FEB 25 50869.50 -5436 18897 112186 2188 39 19 140 6 FEB 26 50870.50 -5696 19008 109917 2349 29 18 190 4 FEB 27 50871.50 -5821 19091 107466 2500 12 12 240 4 FEB 28 50872.50 -5875 19258 104885 2583 3 3 290 2 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 JAN 1 50814.00 10361 17236 218567 214 259 150 JAN 2 50815.00 10022 17354 216776 23 18 18 JAN 3 50816.00 9701 17324 214989 17 15 19 JAN 4 50817.00 9374 17290 213057 33 18 20 JAN 5 50818.00 9293 17238 210966 13 14 16 JAN 6 50819.00 9193 17262 208873 15 16 16 JAN 7 50820.00 8856 17053 206969 14 16 15 JAN 8 50821.00 8543 17106 204902 14 19 16 JAN 9 50822.00 8385 17078 203177 27 33 26 JAN 10 50823.00 7846 16892 201842 16 22 17 JAN 11 50824.00 7628 16748 200349 11 20 18 JAN 12 50825.00 7291 16800 198994 10 12 13 JAN 13 50826.00 6909 16801 197454 14 15 14 JAN 14 50827.00 6595 16785 196029 19 22 22 JAN 15 50828.00 6397 16821 194446 15 14 14 JAN 16 50829.00 6092 16844 192815 19 27 23 JAN 17 50830.00 5714 16651 191252 16 16 16 JAN 18 50831.00 5375 16684 189581 12 17 15 JAN 19 50832.00 5068 16697 187819 15 17 18 JAN 20 50833.00 4785 16799 186043 18 21 19 JAN 21 50834.00 4407 16760 184288 20 16 17 JAN 22 50835.00 4128 16603 182626 15 13 14 JAN 23 50836.00 3726 16630 180941 18 14 15 JAN 24 50837.00 3451 16668 179103 16 14 15 JAN 25 50838.00 3217 16706 177472 25 18 17 JAN 26 50839.00 2695 16553 175543 20 13 15 JAN 27 50840.00 2479 16629 173839 14 13 14 JAN 28 50841.00 2306 16783 171985 12 13 13 JAN 29 50842.00 2113 16819 169794 13 12 13 JAN 30 50843.00 1741 16862 167549 12 15 14 JAN 31 50844.00 1496 16925 165031 15 14 14 FEB 1 50845.00 1118 17002 162523 14 16 17 FEB 2 50846.00 806 17009 159954 15 13 15 FEB 3 50847.00 479 17091 157440 16 14 15 FEB 4 50848.00 118 17208 155120 16 18 19 FEB 5 50849.00 -160 17402 152645 18 18 17 FEB 6 50850.00 -429 17471 150402 15 19 17 FEB 7 50851.00 -738 17457 148245 16 14 16 FEB 8 50852.00 -1024 17520 146152 16 18 17 FEB 9 50853.00 -1218 17498 143943 14 16 16 FEB 10 50854.00 -1500 17580 142063 12 13 15 FEB 11 50855.00 -1725 17494 140137 13 12 14 FEB 12 50856.00 -2028 17552 138274 11 13 14 FEB 13 50857.00 -2224 17664 136294 16 15 15 FEB 14 50858.00 -2435 17675 134466 14 15 15 FEB 15 50859.00 -2605 17675 132569 15 17 18 FEB 16 50860.00 -2720 17941 130593 19 24 20 FEB 17 50861.00 -2975 18078 128569 18 54 38 FEB 18 50862.00 -3058 18181 126673 16 18 17 FEB 19 50863.00 -3506 18324 124894 16 16 16 FEB 20 50864.00 -3674 18391 123042 14 15 18 FEB 21 50865.00 -3989 18454 121207 13 18 18 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 JAN 1 50814.94 10006 17198 216690 116 83 64 JAN 4 50817.29 9414 17163 212560 34 29 29 JAN 6 50819.99 8732 16994 206784 28 32 27 JAN 10 50823.60 7680 16705 200874 37 49 43 JAN 12 50825.65 6934 16664 197997 30 31 27 JAN 16 50829.10 5931 16617 192671 34 40 31 JAN 18 50831.88 5055 16603 187811 29 35 33 JAN 22 50835.12 4051 16623 182280 31 33 23 JAN 24 50837.95 3103 16583 177454 42 38 30 JAN 28 50841.21 2176 16605 171504 22 22 21 JAN 31 50844.11 1317 16767 164619 26 29 26 FEB 2 50846.79 425 16941 157863 21 20 16 FEB 5 50849.98 -594 17218 150358 26 26 31 FEB 9 50853.16 -1369 17379 143718 21 26 21 FEB 11 50855.90 -2147 17430 138265 18 19 17 FEB 14 50858.86 -2741 17557 132469 26 26 30 FEB 18 50862.15 -3321 17968 126053 26 32 25 FEB 20 50864.88 -4133 18373 121094 25 23 82 FEB 23 50867.18 -4972 18542 116957 66 94 167 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 JAN 1 50814.00 10279 17612 35 26 JAN 4 50817.00 9572 17348 14 15 JAN 7 50820.00 8867 17141 11 12 JAN 10 50823.00 7963 16843 13 27 JAN 13 50826.00 6972 16842 9 10 JAN 16 50829.00 6097 16828 13 15 JAN 19 50832.00 5134 16745 10 13 JAN 22 50835.00 4149 16605 12 10 JAN 25 50838.00 3100 16627 15 12 JAN 28 50841.00 2312 16759 9 9 JAN 31 50844.00 1477 16774 12 17 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 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 JAN 1 50814.00 10236 17358 218198 1512 16 16 30 16 JAN 2 50815.00 10003 17281 216607 1670 16 16 30 15 JAN 3 50816.00 9767 17218 214838 1864 16 16 30 15 JAN 4 50817.00 9549 17168 212886 2027 16 15 30 15 JAN 5 50818.00 9307 17119 210819 2091 16 16 30 16 JAN 6 50819.00 9053 17057 208752 2027 16 16 30 15 JAN 7 50820.00 8789 17000 206774 1917 15 15 30 15 JAN 8 50821.00 8511 16940 204931 1765 16 16 30 16 JAN 9 50822.00 8212 16883 203261 1577 16 16 30 15 JAN 10 50823.00 7902 16809 201752 1442 15 16 30 15 JAN 11 50824.00 7607 16738 200356 1396 15 16 30 15 JAN 12 50825.00 7264 16723 198941 1433 15 15 30 15 JAN 13 50826.00 6923 16686 197486 1477 15 15 30 15 JAN 14 50827.00 6641 16663 195978 1538 15 15 30 15 JAN 15 50828.00 6373 16633 194396 1624 16 16 30 16 JAN 16 50829.00 6031 16635 192755 1654 16 16 30 16 JAN 17 50830.00 5694 16633 191079 1692 16 16 30 16 JAN 18 50831.00 5387 16645 189356 1747 16 16 31 16 JAN 19 50832.00 5096 16713 187594 1772 16 16 30 15 JAN 20 50833.00 4823 16713 185818 1774 16 16 30 16 JAN 21 50834.00 4480 16691 184066 1726 16 16 30 16 JAN 22 50835.00 4163 16637 182352 1700 15 16 30 15 JAN 23 50836.00 3779 16595 180661 1680 16 16 30 16 JAN 24 50837.00 3443 16596 178978 1688 16 15 30 15 JAN 25 50838.00 3149 16592 177285 1702 16 16 30 15 JAN 26 50839.00 2840 16561 175565 1743 15 15 30 15 JAN 27 50840.00 2564 16575 173781 1831 15 15 30 15 JAN 28 50841.00 2304 16626 171863 2009 15 15 30 15 JAN 29 50842.00 2019 16690 169724 2271 15 16 30 15 JAN 30 50843.00 1742 16736 167351 2472 16 16 30 15 JAN 31 50844.00 1432 16804 164847 2524 16 16 30 15 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 -762 17304 148068 2081 15 16 30 16 FEB 8 50852.00 -1020 17380 146005 2046 15 15 30 15 FEB 9 50853.00 -1278 17419 143980 2002 15 15 30 15 FEB 10 50854.00 -1535 17429 141999 1959 15 15 30 15 FEB 11 50855.00 -1812 17445 140046 1944 15 15 30 15 FEB 12 50856.00 -2095 17471 138095 1954 16 16 30 15 FEB 13 50857.00 -2332 17518 136133 1967 16 16 30 15 FEB 14 50858.00 -2511 17563 134160 1972 15 15 30 15 FEB 15 50859.00 -2696 17643 132182 1978 16 16 30 16 FEB 16 50860.00 -2878 17744 130204 1972 16 16 30 15 FEB 17 50861.00 -3034 17888 128255 1920 16 16 30 15 FEB 18 50862.00 -3218 18040 126375 1838 16 16 30 15 FEB 19 50863.00 -3478 18171 124578 1756 15 15 30 15 FEB 20 50864.00 -3786 18290 122835 1730 15 15 30 15 FEB 21 50865.00 -4108 18418 121086 1772 15 15 30 15 FEB 22 50866.00 -4463 18515 119306 1793 15 15 30 15 FEB 23 50867.00 -4819 18607 117482 1863 15 15 30 15 FEB 24 50868.00 -5152 18682 115539 2030 18 20 36 25 FEB 25 50869.00 -5423 18762 113408 2235 18 19 36 24 FEB 26 50870.00 -5645 18841 111061 2458 17 17 32 18 FEB 27 50871.00 -5818 18923 108516 2621 18 18 32 19 FEB 28 50872.00 -5939 19013 105855 2684 23 23 38 27 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 JAN 1 50814.00 10125 17477 1470 21 12 30 JAN 4 50817.00 9476 17303 1950 8 8 10 JAN 7 50820.00 8776 17102 1900 7 8 10 JAN 10 50823.00 7928 16912 1510 9 11 10 JAN 13 50826.00 6990 16762 1430 7 7 10 JAN 16 50829.00 6010 16655 1550 17 16 10 JAN 19 50832.00 5059 16761 1750 8 11 10 JAN 22 50835.00 4138 16692 1650 9 9 10 JAN 25 50838.00 3205 16681 1660 10 11 10 JAN 28 50841.00 2312 16719 1960 7 9 10 JAN 31 50844.00 1401 16850 2460 10 9 10 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