BULLETIN B 110 2 April 1997 Contents described in the Explanatory Supplement, mailed with Bulletin B109 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 1997 " " s s 0.001" 0.001" (0h UTC) Final Bulletin B values. FEB 5 50484 -.12260 .15440 -.172879 -30.172879 -36.0 -5.5 FEB 10 50489 -.13222 .16733 -.180290 -30.180290 -35.0 -5.1 FEB 15 50494 -.14246 .18111 -.188793 -30.188793 -36.3 -5.7 FEB 20 50499 -.15512 .19345 -.198174 -30.198174 -35.2 -6.2 FEB 25 50504 -.16322 .20686 -.207986 -30.207986 -34.4 -6.7 MAR 2 50509 -.17397 .22305 -.218320 -30.218320 -35.1 -7.3 Preliminary extension, to be updated weekly in Bulletin A and monthly in Bulletin B. MAR 7 50514 -.17827 .23975 -.229273 -30.229273 -34.3 -6.8 MAR 12 50519 -.18657 .25514 -.240888 -30.240888 -35.1 -7.1 MAR 17 50524 -.18774 .27415 -.253567 -30.253567 -35.5 -8.0 MAR 22 50529 -.18947 .29234 -.266845 -30.266845 -34.5 -7.9 MAR 27 50534 -.19000 .31154 -.279574 -30.279574 -35.1 -8.6 APR 1 50539 -.19074 .33025 -.292334 -30.292334 -33.3 -9.4 APR 6 50544 -.18947 .34930 -.305210 -30.305210 -32.7 -8.7 APR 11 50549 -.18712 .36814 -.317794 -30.317794 -34.1 -9.4 APR 16 50554 -.18357 .38671 -.330184 -30.330184 -32.3 -9.8 APR 21 50559 -.17877 .40491 -.342397 -30.342397 -32.7 -9.4 APR 26 50564 -.17275 .42263 -.354428 -30.354428 -33.4 -9.9 MAY 1 50569 -.16555 .43978 -.366233 -30.366233 -32.2 -10.0 MAY 6 50574 -.15722 .45626 -.377773 -30.377773 -33.7 -9.3 MAY 11 50579 -.14781 .47198 -.388979 -30.388979 -33.6 -10.2 MAY 16 50584 -.13739 .48685 -.399831 -30.399831 -32.7 -9.8 MAY 21 50589 -.12602 .50078 -.410275 -30.410275 -34.4 -9.7 MAY 26 50594 -.11378 .51371 -.420272 -30.420272 -34.3 -10.2 MAY 31 50599 -.10072 .52557 -.429793 -30.429793 -34.5 -9.4 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 1995 IERS Annual Report. 1997 MJD x y UT1-UTC UT1-UT1R D dPsi dEpsilon (0 h UTC) " " s ms ms 0.001" 0.001" FEB 1 50480 -.11115 .14558 -.166679 .657 1.442 -35.8 -5.7 FEB 2 50481 -.11459 .14785 -.168038 .719 1.323 -36.1 -5.7 FEB 3 50482 -.11734 .14987 -.169330 .816 1.270 -36.2 -5.7 FEB 4 50483 -.11982 .15185 -.170591 .921 1.271 -36.2 -5.6 FEB 5 50484 -.12258 .15444 -.171890 .990 1.367 -36.0 -5.5 FEB 6 50485 -.12484 .15695 -.173344 .965 1.528 -35.7 -5.4 FEB 7 50486 -.12688 .15937 -.174957 .799 1.711 -35.4 -5.2 FEB 8 50487 -.12859 .16169 -.176764 .472 1.921 -35.1 -5.2 FEB 9 50488 -.13026 .16412 -.178781 .014 2.031 -35.0 -5.1 FEB 10 50489 -.13222 .16733 -.180796 -.506 2.047 -35.0 -5.1 FEB 11 50490 -.13406 .17039 -.182846 -.996 2.080 -35.2 -5.2 FEB 12 50491 -.13619 .17277 -.184932 -1.377 2.029 -35.6 -5.3 FEB 13 50492 -.13840 .17524 -.186891 -1.595 1.855 -35.9 -5.4 FEB 14 50493 -.14049 .17820 -.188642 -1.639 1.708 -36.1 -5.6 FEB 15 50494 -.14246 .18111 -.190317 -1.524 1.655 -36.3 -5.7 FEB 16 50495 -.14488 .18384 -.191965 -1.287 1.565 -36.4 -5.8 FEB 17 50496 -.14759 .18654 -.193463 -.972 1.492 -36.3 -6.0 FEB 18 50497 -.15011 .18874 -.194962 -.625 1.538 -36.0 -6.1 FEB 19 50498 -.15256 .19102 -.196550 -.288 1.598 -35.6 -6.2 FEB 20 50499 -.15512 .19345 -.198166 .007 1.642 -35.2 -6.2 FEB 21 50500 -.15719 .19565 -.199838 .240 1.726 -34.8 -6.3 FEB 22 50501 -.15897 .19790 -.201618 .400 1.829 -34.5 -6.4 FEB 23 50502 -.16036 .20069 -.203493 .492 1.916 -34.3 -6.4 FEB 24 50503 -.16169 .20358 -.205444 .526 1.988 -34.3 -6.5 FEB 25 50504 -.16322 .20686 -.207462 .524 2.036 -34.4 -6.7 FEB 26 50505 -.16515 .21020 -.209506 .510 2.033 -34.6 -6.8 FEB 27 50506 -.16774 .21348 -.211518 .512 2.005 -34.9 -6.9 FEB 28 50507 -.17033 .21690 -.213509 .553 1.999 -35.0 -7.0 MAR 1 50508 -.17238 .21997 -.215514 .642 2.014 -35.2 -7.2 MAR 2 50509 -.17397 .22305 -.217542 .778 2.027 -35.1 -7.3 MAR 3 50510 -.17503 .22642 -.219577 .938 2.038 -35.1 -7.2 MAR 4 50511 -.17565 .22974 -.221634 1.083 2.078 -34.8 -7.2 MAR 5 50512 -.17641 .23292 -.223753 1.160 2.160 -34.6 -7.1 MAR 6 50513 -.17717 .23616 -.225973 1.111 2.308 -34.4 -7.0 MAR 7 50514 -.17827 .23975 -.228378 .896 2.530 -34.3 -6.8 MAR 8 50515 -.18007 .24291 -.231025 .512 2.749 -34.2 -6.7 MAR 9 50516 -.18211 .24583 -.233852 .005 2.847 -34.4 -6.7 MAR 10 50517 -.18421 .24890 -.236687 -.542 2.845 -34.6 -6.8 MAR 11 50518 -.18582 .25191 -.239509 -1.033 2.805 -34.8 -6.9 MAR 12 50519 -.18657 .25514 -.242275 -1.387 2.697 -35.1 -7.1 MAR 13 50520 -.18681 .25858 -.244898 -1.563 2.532 -35.4 -7.3 MAR 14 50521 -.18651 .26186 -.247345 -1.560 2.388 -35.6 -7.6 MAR 15 50522 -.18637 .26577 -.249685 -1.406 2.336 -35.7 -7.8 MAR 16 50523 -.18683 .27012 -.252033 -1.148 2.349 -35.7 -7.9 MAR 17 50524 -.18774 .27415 -.254400 -.833 2.359 -35.5 -8.0 MAR 18 50525 -.18848 .27778 -.256763 -.507 2.370 -35.3 -8.0 MAR 19 50526 -.18874 .28136 -.259149 -.208 2.394 -35.0 -8.0 MAR 20 50527 -.18895 .28499 -.261558 .037 2.429 -34.7 -7.9 MAR 21 50528 -.18922 .28863 -.264010 .213 2.485 -34.5 -7.9 MAR 22 50529 -.18947 .29234 -.266528 .317 2.545 -34.5 -7.9 MAR 23 50530 -.18958 .29611 -.269095 .360 2.568 -34.6 -7.9 MAR 24 50531 -.18960 .29981 -.271656 .358 2.562 -34.8 -8.0 MAR 25 50532 -.18959 .30364 -.274209 .337 2.547 -35.1 -8.1 MAR 26 50533 -.18969 .30762 -.276739 .325 2.512 -35.2 -8.3 MAR 27 50534 -.19000 .31154 -.279225 .349 2.467 -35.1 -8.6 MAR 28 50535 -.19023 .31537 -.281668 .428 2.416 -34.9 -8.8 MAR 29 50536 -.19057 .31909 -.284058 .567 2.372 -34.6 -9.0 MAR 30 50537 -.19082 .32277 -.286419 .751 2.361 -34.2 -9.2 MAR 31 50538 -.19088 .32648 -.288794 .944 2.401 -33.7 -9.3 3 - NORMAL VALUES OF THE EARTH ORIENTATION PARAMETERS AT FIVE-DAY INTERVALS (IERS evaluation). Raw normal values Uncertainties 1997 MJD x y UT1-UTC dPsi dEps x y UT1 dPsi dEps (0 h UTC) " " s 0.001" 0.001" 0.0001s 0.001" FEB 5 50484 -.12260 .15440 -.171889 -35.97 -5.49 .14 .16 .06 .27 .15 FEB 10 50489 -.13211 .16738 -.180795 -35.94 -6.00 .16 .20 .09 .39 .26 FEB 15 50494 -.14238 .18125 -.190320 - - .11 .13 .07 - - FEB 20 50499 -.15521 .19345 -.198168 -35.41 -6.46 .12 .15 .05 .25 .16 FEB 25 50504 -.16323 .20683 -.207462 -34.47 -6.72 .11 .14 .08 .36 .19 MAR 2 50509 -.17391 .22316 -.217542 - - .12 .15 .07 - - MAR 7 50514 -.17831 .23976 -.228381 -33.95 -6.54 .13 .15 .07 .34 .17 MAR 12 50519 -.18639 .25533 -.242276 -35.18 -7.19 .11 .12 .10 .36 .20 MAR 17 50524 -.18752 .27439 -.254401 -34.85 -7.33 .14 .16 .07 .28 .15 MAR 22 50529 -.18955 .29228 -.266528 - - .14 .16 .08 - - MAR 27 50534 -.18996 .31159 -.279229 - - .18 .21 .15 - - 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 1997 MJD s (microrad/s) FEB 5 50484 .00140 72.921 15028 FEB 10 50489 .00153 15017 FEB 15 50494 .00184 14991 FEB 20 50499 .00191 14985 FEB 25 50504 .00203 14976 5 - INFORMATION ON TIME SCALES (reproduced from IERS Bulletins C and D) UTC-TAI : A POSITIVE LEAP SECOND WILL BE INTRODUCED IN UTC-TAI AT THE END OF JUNE 1997. From 1996 January 1, 0hUTC, through 1997 June 30, UTC-TAI=-30s exactly From 1997 July 1, 0hUTC, until further notice, UTC-TAI=-31s exactly DUT1(UT1-UTC) transmitted with time signals : From 1997 March 20, 0hUTC, through 1997 May 7, DUT1 = -0.3s From 1997 May 8, 0hUTC, until further notice DUT1 = -0.4s 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 dPsi dEps Data Number VLBI EOP(JPL) 96 R 01 Au-Ca - - 1.76 - - 7 50483.66 to 50531.55 - - 1.35 - - EOP(JPL) 96 R 01 Sp-Ca - - 1.10 - - 8 50480.99 to 50530.03 - - .49 - - EOP(USNO) 96 R 09 .11 .09 .05 .19 .07 7 50484.25 to 50526.25 .11 .08 .02 .02 .02 EOP(USNO) 96 R 10 - - .15 - - 37 50480.68 to 50532.70 - - .07 - - GPS EOP(CODE) 96 P 03 .01 .02 - - - 58 50480.50 to 50537.50 .15 .20 - - - EOP(EMR) 96 P 03 .07 .07 - - - 50 50480.50 to 50529.50 .19 .17 - - - EOP(ESOC) 96 P 01 .04 .05 - - - 50 50480.50 to 50529.50 .17 .23 - - - EOP(GFZ) 96 P 02 .02 .02 - - - 50 50480.50 to 50529.50 .13 .20 - - - EOP(JPL) 96 P 03 .03 .03 - - - 50 50480.50 to 50529.50 .13 .15 - - - EOP(NOAA) 96 P 01 .03 .03 - - - 52 50480.50 to 50531.50 .29 .53 - - - EOP(SIO) 96 P 01 .07 .07 - - - 50 50488.50 to 50529.50 .15 .12 - - - EOP(IGS) 95 P 02 .07 .10 .32 - - 50 50480.50 to 50529.50 .10 .11 .32 - - EOP(IERS) 96 P 01 .09 .11 .40 - - 58 50480.50 to 50537.50 .10 .13 .32 - - EOP(IGS) 96 P 02 .11 .18 .60 - - 58 50480.50 to 50537.50 .17 .18 1.43 - - SLR EOP(CSR) 95 L 01 .47 .43 .45 - - 18 50481.26 to 50531.57 .14 .16 .81 - - EOP(DUT) 93 L 03 .14 .16 - - - 16 50481.00 to 50526.00 .41 .49 - - - EOP(IAA) 96 L 02 .17 .17 .41 - - 58 50480.00 to 50537.00 .38 .31 .39 - - EOP(MCC) 96 L 01 .11 .11 - - - 16 50481.00 to 50529.00 .39 .43 - - - 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 . Starting from Bulletin B110, formats have been modified to reflect the quality of the Data. 7-a- Very Long Base Radio Interferometry - EOP(JPL) 96 R 01 Units : 0.00001" for Latitude , 0.000001s for UT0. Date Uncertainties 1997 MJD Lat. UT0-UTC Lat. UT0-UTC Baseline : Australia-California FEB 4 50483.66 -11270 -161120 50 200 FEB 11 50490.63 -12670 -172770 40 170 FEB 18 50497.68 -13880 -183070 60 270 FEB 24 50503.59 -15120 -192810 40 160 MAR 3 50510.59 -16970 -205870 40 150 MAR 11 50518.54 -19110 -225160 40 140 MAR 24 50531.55 -23600 -256080 40 140 Baseline : Spain-California FEB 1 50480.99 -17280 -167750 130 60 FEB 8 50487.18 -19390 -176920 190 90 FEB 15 50494.16 -21540 -190260 200 100 FEB 22 50501.16 -23950 -201590 120 50 MAR 1 50508.15 -26330 -215350 140 60 MAR 9 50516.13 -28400 -233780 130 60 MAR 15 50522.12 -29650 -249510 130 60 MAR 23 50530.03 -31350 -268880 270 400 7-b - Very Long Base Radio Interferometry - EOP(USNO) 96 R 09 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 1997 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi FEB 5 50484.25 -12375 15401 -172214 -3609 -551 9 8 4 17 6 FEB 12 50491.25 -13709 17235 -185416 -3577 -536 10 9 4 15 7 FEB 19 50498.25 -15343 19051 -196931 -3568 -621 10 8 4 15 7 FEB 26 50505.25 -16614 20989 -209992 -3481 -687 15 12 6 23 9 MAR 5 50512.25 -17702 23258 -224275 -3474 -708 10 10 4 21 8 MAR 12 50519.25 -18705 25500 -242931 -3536 -722 17 14 8 23 10 MAR 19 50526.25 -18922 28105 -259734 -3511 -801 8 7 4 14 5 7-c - Very Long Base Radio Interferometry - EOP(USNO) 96 R 00 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 1997 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi FEB 1 50480.68 -167571 10 FEB 1 50480.84 -167789 10 FEB 3 50482.67 -170139 10 FEB 4 50483.67 -171414 14 FEB 6 50485.67 -174364 11 FEB 7 50486.66 -176084 14 FEB 8 50487.66 -178055 12 FEB 8 50487.82 -178367 13 FEB 10 50489.66 -182097 14 FEB 13 50492.65 -188003 14 FEB 14 50493.64 -189680 14 FEB 15 50494.64 -191358 9 FEB 15 50494.80 -191590 18 FEB 17 50496.64 -194369 13 FEB 18 50497.63 -195924 9 FEB 20 50499.63 -199167 9 FEB 21 50500.63 -200899 14 FEB 24 50503.60 -206606 19 FEB 25 50504.61 -208677 12 FEB 28 50507.61 -214683 11 MAR 1 50508.60 -216695 11 MAR 1 50508.77 -217026 19 MAR 3 50510.76 -221097 14 MAR 7 50514.75 -230299 22 MAR 8 50515.74 -233053 24 MAR 8 50515.91 -233569 14 MAR 10 50517.74 -238746 15 MAR 14 50521.73 -249019 16 MAR 15 50522.73 -251354 18 MAR 15 50522.89 -251734 16 MAR 17 50524.72 -256069 17 MAR 20 50527.72 -263266 15 MAR 21 50528.71 -265749 15 MAR 22 50529.71 -268292 19 MAR 22 50529.87 -268735 13 MAR 24 50531.70 -273415 27 MAR 25 50532.70 -275952 16 7 -d - EOP(CODE) 96 P 03 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1997 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50480.50 -11269 14648 -147393 1386 1 2 3 2 FEB 2 50481.50 -11564 14876 -148713 1304 1 2 3 2 FEB 3 50482.50 -11842 15099 -149996 1283 1 2 3 2 FEB 4 50483.50 -12101 15333 -151309 1338 1 2 3 2 FEB 5 50484.50 -12339 15565 -152737 1482 1 2 3 2 FEB 6 50485.50 -12540 15798 -154319 1657 1 2 3 2 FEB 7 50486.50 -12727 16029 -156049 1809 1 2 3 2 FEB 8 50487.50 -12910 16278 -157999 2008 1 2 3 2 FEB 9 50488.50 -13092 16566 -160049 2071 1 2 3 2 FEB 10 50489.50 -13278 16846 -162183 2109 1 2 3 2 FEB 11 50490.50 -13483 17121 -164316 2069 1 2 3 2 FEB 12 50491.50 -13692 17388 -166377 1976 1 2 3 2 FEB 13 50492.50 -13886 17653 -168231 1766 1 2 3 2 FEB 14 50493.50 -14094 17918 -169970 1663 1 2 3 2 FEB 15 50494.50 -14333 18190 -171609 1582 1 2 2 2 FEB 16 50495.50 -14590 18483 -173181 1540 1 1 2 2 FEB 17 50496.50 -14856 18748 -174704 1513 1 1 2 2 FEB 18 50497.50 -15113 18995 -176247 1552 1 2 2 2 FEB 19 50498.50 -15347 19217 -177815 1591 1 2 3 2 FEB 20 50499.50 -15553 19440 -179465 1684 1 2 3 2 FEB 21 50500.50 -15753 19676 -181212 1783 2 2 3 2 FEB 22 50501.50 -15925 19945 -183054 1876 2 2 3 2 FEB 23 50502.50 -16079 20217 -185008 1980 2 2 4 2 FEB 24 50503.50 -16215 20511 -187039 2047 2 2 4 2 FEB 25 50504.50 -16394 20813 -189048 2011 2 2 3 2 FEB 26 50505.50 -16612 21158 -191061 2003 2 2 3 2 FEB 27 50506.50 -16861 21505 -193102 2020 2 2 3 2 FEB 28 50507.50 -17078 21822 -195179 2052 2 2 3 2 MAR 1 50508.50 -17260 22126 -197228 2027 2 2 3 2 MAR 2 50509.50 -17385 22467 -199276 2039 2 2 3 2 MAR 3 50510.50 -17490 22807 -201286 2024 2 2 3 2 MAR 4 50511.50 -17581 23135 -203343 2099 1 2 3 2 MAR 5 50512.50 -17666 23473 -205494 2220 2 2 3 2 MAR 6 50513.50 -17768 23790 -207825 2416 2 2 3 2 MAR 7 50514.50 -17911 24111 -210350 2607 2 2 4 2 MAR 8 50515.50 -18084 24418 -213111 2815 2 2 4 2 MAR 9 50516.50 -18286 24719 -215986 2883 1 2 3 2 MAR 10 50517.50 -18471 25025 -218899 2872 1 2 3 2 MAR 11 50518.50 -18590 25345 -221748 2773 1 2 3 2 MAR 12 50519.50 -18649 25688 -224472 2632 1 2 3 2 MAR 13 50520.50 -18646 26034 -227032 2473 1 2 4 2 MAR 14 50521.50 -18621 26403 -229495 2393 1 2 4 2 MAR 15 50522.50 -18620 26812 -231912 2371 1 2 4 3 MAR 16 50523.50 -18674 27228 -234291 2357 1 2 4 2 MAR 17 50524.50 -18755 27615 -236664 2372 1 1 3 2 MAR 18 50525.50 -18822 27978 -239073 2427 1 1 3 2 MAR 19 50526.50 -18858 28338 -241478 2435 1 1 3 2 MAR 20 50527.50 -18886 28691 -243922 2479 1 1 3 2 MAR 21 50528.50 -18911 29055 -246392 2504 1 1 4 2 MAR 22 50529.50 -18928 29422 -248908 2545 1 1 4 2 MAR 23 50530.50 -18928 29785 -251492 2604 1 1 4 2 MAR 24 50531.50 -18925 30157 -254107 2621 1 1 4 2 MAR 25 50532.50 -18925 30544 -256704 2588 1 2 4 3 MAR 26 50533.50 -18953 30948 -259297 2573 1 2 4 3 MAR 27 50534.50 -18987 31334 -261823 2497 1 2 4 3 MAR 28 50535.50 -18999 31713 -264291 2438 2 2 5 3 MAR 29 50536.50 -19031 32069 -266737 2426 2 2 5 3 MAR 30 50537.50 -19081 32439 -269152 2415 2 3 8 3 7 -e - EOP(EMR) 96 P 03 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1997 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50480.50 -11290 14715 -177326 1410 11 12 22 9 FEB 2 50481.50 -11570 14956 -178702 1320 6 6 21 8 FEB 3 50482.50 -11829 15135 -180019 1308 6 6 21 9 FEB 4 50483.50 -12089 15395 -181334 1285 6 6 21 9 FEB 5 50484.50 -12336 15638 -182740 1449 6 6 22 9 FEB 6 50485.50 -12560 15887 -184270 1660 6 7 21 10 FEB 7 50486.50 -12732 16075 -186010 1809 6 7 21 10 FEB 8 50487.50 -12900 16358 -187967 2026 6 7 21 9 FEB 9 50488.50 -13138 16636 -189986 2039 6 7 21 9 FEB 10 50489.50 -13298 16918 -192036 2077 6 6 21 9 FEB 11 50490.50 -13518 17214 -194136 2153 6 6 21 9 FEB 12 50491.50 -13720 17474 -196192 2018 6 7 21 10 FEB 13 50492.50 -13928 17728 -198070 1822 6 7 21 10 FEB 14 50493.50 -14142 18000 -199811 1705 7 7 21 11 FEB 15 50494.50 -14348 18319 -201486 1648 6 6 22 9 FEB 16 50495.50 -14591 18577 -203082 1655 6 6 22 9 FEB 17 50496.50 -14853 18817 -204626 1555 6 6 12 10 FEB 18 50497.50 -15133 19060 -206228 1588 6 6 15 9 FEB 19 50498.50 -15358 19278 -207814 1645 6 6 16 9 FEB 20 50499.50 -15611 19514 -209505 1641 6 6 18 9 FEB 21 50500.50 -15775 19740 -211220 1746 6 7 13 10 FEB 22 50501.50 -15968 19964 -213003 1904 7 7 15 12 FEB 23 50502.50 -16110 20274 -214924 2018 7 8 17 12 FEB 24 50503.50 -16260 20569 -216933 2065 7 8 18 12 FEB 25 50504.50 -16398 20912 -218991 2034 7 8 19 11 FEB 26 50505.50 -16659 21233 -220933 1991 7 7 20 11 FEB 27 50506.50 -16897 21583 -222961 1991 7 7 20 11 FEB 28 50507.50 -17131 21901 -224968 2056 7 7 20 11 MAR 1 50508.50 -17307 22203 -226984 2034 7 7 21 11 MAR 2 50509.50 -17464 22502 -229031 1959 7 7 21 10 MAR 3 50510.50 -17505 22862 -231057 2116 7 7 22 10 MAR 4 50511.50 -17575 23191 -233142 2062 7 7 22 11 MAR 5 50512.50 -17659 23522 -235306 2257 7 7 22 11 MAR 6 50513.50 -17754 23842 -237651 2439 7 7 22 10 MAR 7 50514.50 -17904 24149 -240203 2554 7 7 22 11 MAR 8 50515.50 -18086 24485 -242887 2840 7 7 22 11 MAR 9 50516.50 -18296 24800 -245740 2830 7 7 22 10 MAR 10 50517.50 -18522 25110 -248578 2865 7 7 22 11 MAR 11 50518.50 -18624 25407 -251343 2683 6 7 22 10 MAR 12 50519.50 -18656 25722 -253980 2566 6 7 22 10 MAR 13 50520.50 -18653 26070 -256492 2454 6 7 22 9 MAR 14 50521.50 -18639 26421 -258899 2396 7 7 22 11 MAR 15 50522.50 -18652 26841 -261253 2387 6 7 22 10 MAR 16 50523.50 -18721 27259 -263604 2361 6 7 22 10 MAR 17 50524.50 -18832 27660 -265905 2451 7 7 22 10 MAR 18 50525.50 -18879 27995 -268291 2405 7 7 22 10 MAR 19 50526.50 -18890 28338 -270702 2460 7 7 22 10 MAR 20 50527.50 -18939 28710 -273156 2477 7 7 22 10 MAR 21 50528.50 -18961 29091 -275620 2579 7 7 22 10 MAR 22 50529.50 -18985 29462 -278143 2596 7 7 22 10 7 -f - EOP(ESOC) 96 P 01 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1997 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50480.50 -11250 14700 -167748 1396 4 5 7 5 FEB 2 50481.50 -11537 14944 -168663 1306 4 4 7 5 FEB 3 50482.50 -11819 15130 -169922 1305 3 4 7 4 FEB 4 50483.50 -12078 15438 -171269 1298 4 5 7 5 FEB 5 50484.50 -12329 15615 -172578 1476 4 4 7 5 FEB 6 50485.50 -12566 15868 -174039 1638 3 4 7 4 FEB 7 50486.50 -12743 16059 -175742 1843 4 4 7 5 FEB 8 50487.50 -12882 16325 -177664 2008 4 4 7 4 FEB 9 50488.50 -13085 16606 -179695 2070 4 4 7 5 FEB 10 50489.50 -13273 16925 -181833 2066 4 5 7 6 FEB 11 50490.50 -13470 17169 -183759 2098 4 4 7 5 FEB 12 50491.50 -13686 17441 -185869 1998 4 4 7 4 FEB 13 50492.50 -13911 17699 -187665 1809 4 4 7 5 FEB 14 50493.50 -14089 17991 -189229 1677 4 5 7 5 FEB 15 50494.50 -14331 18317 -191191 1622 4 5 7 5 FEB 16 50495.50 -14579 18538 -192757 1535 4 4 8 5 FEB 17 50496.50 -14833 18832 -194141 1523 4 4 7 5 FEB 18 50497.50 -15088 19059 -195635 1550 4 4 7 5 FEB 19 50498.50 -15331 19291 -197152 1564 4 5 7 5 FEB 20 50499.50 -15582 19518 -198745 1649 4 5 7 5 FEB 21 50500.50 -15765 19743 -200423 1726 4 4 7 5 FEB 22 50501.50 -15944 19937 -202177 1835 5 5 7 6 FEB 23 50502.50 -16081 20288 -204345 1950 5 5 7 5 FEB 24 50503.50 -16215 20579 -206195 2009 5 5 7 6 FEB 25 50504.50 -16364 20925 -208124 1989 5 6 8 6 FEB 26 50505.50 -16600 21249 -210097 1993 5 5 8 7 FEB 27 50506.50 -16880 21586 -212051 1983 5 5 8 7 FEB 28 50507.50 -17100 21893 -214498 2035 5 6 8 7 MAR 1 50508.50 -17263 22225 -216530 2041 5 6 7 6 MAR 2 50509.50 -17426 22528 -218508 1977 5 5 7 6 MAR 3 50510.50 -17526 22843 -220514 1988 5 5 8 6 MAR 4 50511.50 -17547 23208 -222540 2020 5 5 7 6 MAR 5 50512.50 -17657 23512 -224813 2146 5 5 7 6 MAR 6 50513.50 -17726 23859 -227138 2376 5 5 7 6 MAR 7 50514.50 -17893 24193 -229594 2547 5 5 7 6 MAR 8 50515.50 -18063 24497 -232323 2765 5 6 8 6 MAR 9 50516.50 -18283 24816 -235155 2830 5 5 7 6 MAR 10 50517.50 -18488 25058 -238032 2824 5 5 7 5 MAR 11 50518.50 -18637 25399 -240782 2683 4 5 7 5 MAR 12 50519.50 -18655 25710 -243560 2601 4 5 7 5 MAR 13 50520.50 -18644 26046 -246097 2435 5 5 8 6 MAR 14 50521.50 -18611 26402 -248478 2376 4 5 7 6 MAR 15 50522.50 -18640 26820 -250788 2337 5 5 8 6 MAR 16 50523.50 -18706 27262 -253120 2340 4 5 7 5 MAR 17 50524.50 -18798 27656 -255488 2376 5 5 8 6 MAR 18 50525.50 -18846 27989 -257905 2411 4 5 7 5 MAR 19 50526.50 -18867 28341 -260347 2435 4 5 7 5 MAR 20 50527.50 -18917 28732 -262731 2482 4 5 7 5 MAR 21 50528.50 -18905 29129 -265112 2504 5 5 7 6 MAR 22 50529.50 -18939 29459 -267638 2576 4 5 7 5 7 -g - EOP(GFZ) 96 P 02 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1997 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50480.50 -11264 14715 1366 1 2 3 FEB 2 50481.50 -11550 14897 1279 1 1 3 FEB 3 50482.50 -11830 15103 1267 1 1 3 FEB 4 50483.50 -12095 15355 1306 1 1 3 FEB 5 50484.50 -12340 15605 1456 1 1 3 FEB 6 50485.50 -12557 15844 1596 1 1 3 FEB 7 50486.50 -12737 16066 1805 1 1 3 FEB 8 50487.50 -12909 16323 1961 1 1 3 FEB 9 50488.50 -13116 16592 1998 1 1 3 FEB 10 50489.50 -13297 16874 2043 1 1 3 FEB 11 50490.50 -13484 17163 2084 1 1 3 FEB 12 50491.50 -13714 17436 1977 1 1 3 FEB 13 50492.50 -13924 17688 1771 1 1 3 FEB 14 50493.50 -14109 17967 1682 1 1 3 FEB 15 50494.50 -14326 18269 1614 1 1 3 FEB 16 50495.50 -14581 18523 1539 1 1 3 FEB 17 50496.50 -14860 18776 1508 1 1 3 FEB 18 50497.50 -15131 19018 1560 1 1 3 FEB 19 50498.50 -15371 19234 1574 1 1 3 FEB 20 50499.50 -15600 19451 1697 1 1 4 FEB 21 50500.50 -15803 19694 1790 1 1 4 FEB 22 50501.50 -15955 19962 1861 2 2 4 FEB 23 50502.50 -16101 20228 1959 2 2 5 FEB 24 50503.50 -16229 20534 2039 2 2 4 FEB 25 50504.50 -16384 20860 2014 2 2 5 FEB 26 50505.50 -16627 21189 1939 2 2 5 FEB 27 50506.50 -16885 21529 1992 2 2 5 FEB 28 50507.50 -17108 21858 2060 2 2 4 MAR 1 50508.50 -17296 22172 2038 2 2 5 MAR 2 50509.50 -17443 22493 2029 2 2 4 MAR 3 50510.50 -17522 22808 2068 2 2 5 MAR 4 50511.50 -17580 23140 2104 2 2 4 MAR 5 50512.50 -17653 23479 2216 2 2 5 MAR 6 50513.50 -17744 23814 2469 2 2 5 MAR 7 50514.50 -17900 24143 2616 2 2 4 MAR 8 50515.50 -18099 24454 2783 2 2 5 MAR 9 50516.50 -18282 24756 2885 2 2 5 MAR 10 50517.50 -18472 25049 2840 2 2 5 MAR 11 50518.50 -18597 25358 2724 2 2 5 MAR 12 50519.50 -18635 25679 2594 2 2 4 MAR 13 50520.50 -18621 26023 2494 2 2 4 MAR 14 50521.50 -18602 26396 2399 2 2 5 MAR 15 50522.50 -18595 26799 2325 2 2 5 MAR 16 50523.50 -18681 27236 2360 2 2 4 MAR 17 50524.50 -18786 27623 2325 2 2 4 MAR 18 50525.50 -18838 27966 2384 2 2 4 MAR 19 50526.50 -18852 28329 2417 2 2 4 MAR 20 50527.50 -18887 28701 2467 2 2 4 MAR 21 50528.50 -18915 29064 2468 2 2 4 MAR 22 50529.50 -18930 29445 2516 2 2 4 7 -h - EOP(JPL) 96 P 03 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1997 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50480.50 -11259 14674 -165836 1326 3 3 7 7 FEB 2 50481.50 -11560 14906 -167123 1251 2 3 7 7 FEB 3 50482.50 -11833 15111 -168352 1213 2 3 7 7 FEB 4 50483.50 -12101 15356 -169610 1313 2 3 7 7 FEB 5 50484.50 -12351 15592 -170990 1458 2 3 7 7 FEB 6 50485.50 -12573 15843 -172508 1585 2 3 7 7 FEB 7 50486.50 -12725 16040 -174197 1792 2 3 7 7 FEB 8 50487.50 -12915 16307 -176064 1933 3 3 7 7 FEB 9 50488.50 -13110 16586 -178017 1959 2 3 7 7 FEB 10 50489.50 -13300 16867 -180023 2038 2 3 7 7 FEB 11 50490.50 -13501 17163 -182068 2041 2 3 7 7 FEB 12 50491.50 -13721 17425 -184054 1924 3 3 8 8 FEB 13 50492.50 -13940 17677 -185879 1726 3 3 8 8 FEB 14 50493.50 -14130 17955 -187527 1574 3 3 7 7 FEB 15 50494.50 -14353 18267 -189095 1571 3 4 8 8 FEB 16 50495.50 -14586 18534 -190642 1532 3 3 8 8 FEB 17 50496.50 -14859 18778 -192134 1458 3 3 7 7 FEB 18 50497.50 -15133 19017 -193615 1509 3 3 9 9 FEB 19 50498.50 -15372 19240 -195138 1542 2 3 7 7 FEB 20 50499.50 -15605 19456 -196754 1692 2 3 7 7 FEB 21 50500.50 -15791 19689 -198446 1691 3 3 9 9 FEB 22 50501.50 -15976 19982 -200206 1827 3 3 8 8 FEB 23 50502.50 -16111 20247 -202087 1933 3 3 8 8 FEB 24 50503.50 -16220 20525 -204053 1996 3 4 9 9 FEB 25 50504.50 -16389 20866 -206046 1985 3 3 9 9 FEB 26 50505.50 -16632 21208 -208059 2037 3 3 9 9 FEB 27 50506.50 -16895 21555 -210078 2000 3 3 9 9 FEB 28 50507.50 -17122 21869 -212089 2021 3 3 8 8 MAR 1 50508.50 -17300 22157 -214112 2027 3 3 8 8 MAR 2 50509.50 -17464 22501 -216098 1950 3 3 9 9 MAR 3 50510.50 -17536 22828 -218044 1951 3 3 9 9 MAR 4 50511.50 -17604 23169 -220014 1997 3 3 9 9 MAR 5 50512.50 -17673 23487 -222085 2154 3 3 8 8 MAR 6 50513.50 -17756 23812 -224325 2330 3 3 8 8 MAR 7 50514.50 -17910 24123 -226726 2468 3 3 9 9 MAR 8 50515.50 -18107 24446 -229314 2698 3 4 8 8 MAR 9 50516.50 -18295 24757 -232079 2814 3 3 8 8 MAR 10 50517.50 -18487 25067 -234915 2843 3 4 8 8 MAR 11 50518.50 -18616 25364 -237686 2688 3 3 9 9 MAR 12 50519.50 -18659 25688 -240330 2597 3 3 8 8 MAR 13 50520.50 -18648 26042 -242831 2407 3 3 8 8 MAR 14 50521.50 -18623 26399 -245203 2345 3 3 9 9 MAR 15 50522.50 -18632 26814 -247522 2301 3 3 8 8 MAR 16 50523.50 -18700 27228 -249823 2309 3 3 8 8 MAR 17 50524.50 -18802 27619 -252153 2356 3 3 8 8 MAR 18 50525.50 -18857 27963 -254488 2321 3 3 8 8 MAR 19 50526.50 -18867 28334 -256849 2405 3 4 8 8 MAR 20 50527.50 -18899 28693 -259249 2397 3 3 8 8 MAR 21 50528.50 -18932 29066 -261704 2513 3 3 8 8 MAR 22 50529.50 -18954 29427 -264207 2490 3 3 8 8 7 -i - EOP(NOAA) 96 P 01 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1997 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50480.50 -11232 14713 -168049 1390 3 3 1 3 FEB 2 50481.50 -11550 14961 -169827 1266 3 3 1 2 FEB 3 50482.50 -11808 15142 -171594 1240 3 3 1 3 FEB 4 50483.50 -12076 15456 -171205 1277 3 4 1 3 FEB 5 50484.50 -12331 15641 -172531 1390 3 3 1 2 FEB 6 50485.50 -12579 15902 -174018 1599 3 3 1 3 FEB 7 50486.50 -12676 16197 -175792 1744 3 4 1 3 FEB 8 50487.50 -12896 16372 -177734 1945 3 3 1 3 FEB 9 50488.50 -13141 16601 -179865 2046 3 3 1 2 FEB 10 50489.50 -13239 16933 -182061 2046 3 4 1 3 FEB 11 50490.50 -13413 17229 -184180 2079 3 4 1 3 FEB 12 50491.50 -13653 17475 -185783 1951 3 3 1 3 FEB 13 50492.50 -13852 17701 -187506 1779 3 3 1 3 FEB 14 50493.50 -14104 17960 -189042 1623 3 3 1 3 FEB 15 50494.50 -14340 18239 -190369 1582 3 4 1 3 FEB 16 50495.50 -14571 18573 -191629 1531 3 3 1 3 FEB 17 50496.50 -14843 18772 -194310 1475 3 3 1 3 FEB 18 50497.50 -15148 19099 -195574 1584 3 3 1 3 FEB 19 50498.50 -15303 19319 -197126 1583 3 3 1 3 FEB 20 50499.50 -15592 19474 -198733 1650 3 4 1 3 FEB 21 50500.50 -15737 19792 -200620 1680 3 3 1 3 FEB 22 50501.50 -15890 19941 -202424 1876 3 3 1 3 FEB 23 50502.50 -16032 20280 -204370 2015 3 3 7 14 FEB 24 50503.50 -16162 20521 -206301 2091 3 4 2 3 FEB 25 50504.50 -16297 20901 -208364 2052 3 4 2 3 FEB 26 50505.50 -16576 21189 -210412 2045 3 4 8 16 FEB 27 50506.50 -16814 21626 -212434 2001 3 4 8 16 FEB 28 50507.50 -17070 21864 -214463 2090 3 4 8 15 MAR 1 50508.50 -17236 22188 -216468 2075 3 4 8 16 MAR 2 50509.50 -17398 22526 -218461 1998 3 4 8 16 MAR 3 50510.50 -17452 22873 -220529 2050 3 4 8 15 MAR 4 50511.50 -17542 23140 -222517 1954 3 4 8 15 MAR 5 50512.50 -17601 23487 -224725 2146 3 4 8 16 MAR 6 50513.50 -17718 23823 -227075 2358 3 4 8 16 MAR 7 50514.50 -17849 24056 -229528 2396 4 4 8 16 MAR 8 50515.50 -18065 24441 -232272 2737 3 4 8 16 MAR 9 50516.50 -18258 24743 -235025 2894 3 4 8 15 MAR 10 50517.50 -18461 25064 -237731 2901 3 4 8 16 MAR 11 50518.50 -18584 25440 -240759 2677 3 4 8 15 MAR 12 50519.50 -18617 25710 -243462 2592 3 4 8 16 MAR 13 50520.50 -18579 26057 -245934 2440 3 3 8 16 MAR 14 50521.50 -18577 26388 -248245 2391 3 3 7 15 MAR 15 50522.50 -18560 26720 -250370 2332 3 3 8 16 MAR 16 50523.50 -18662 27173 -252405 2335 3 3 7 15 MAR 17 50524.50 -18805 27612 -254400 2336 3 3 7 15 MAR 18 50525.50 -18845 27918 -257846 2347 3 3 7 14 MAR 19 50526.50 -18835 28236 -260269 2402 3 3 7 14 MAR 20 50527.50 -18867 28639 -262724 2412 3 3 7 14 MAR 21 50528.50 -18894 29101 -265273 2506 3 3 7 15 MAR 22 50529.50 -18941 29437 -267777 2538 3 4 8 15 MAR 23 50530.50 -18895 29825 -270275 2514 3 3 7 15 MAR 24 50531.50 -18914 30165 -272796 2528 3 4 7 15 7 -j - EOP(SIO) 96 P 01 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1997 MJD x y UT1-UTC D x y UT1-UTC D FEB 9 50488.50 -13123 16594 1969 9 10 22 FEB 10 50489.50 -13316 16877 -181641 2098 6 6 18 17 FEB 11 50490.50 -13506 17161 -183747 2111 6 6 28 17 FEB 12 50491.50 -13711 17430 -185868 1967 6 6 36 19 FEB 13 50492.50 -13915 17692 -187706 1763 6 6 43 18 FEB 14 50493.50 -14124 17965 -189342 1625 6 6 49 18 FEB 15 50494.50 -14333 18273 -190936 1551 8 8 55 20 FEB 16 50495.50 -14571 18519 1492 8 8 19 FEB 17 50496.50 -14846 18772 -194145 1504 6 6 20 19 FEB 18 50497.50 -15110 18994 -195711 1578 6 6 30 19 FEB 19 50498.50 -15359 19226 -197284 1607 6 6 38 18 FEB 20 50499.50 -15581 19463 -198891 1649 6 6 46 19 FEB 21 50500.50 -15770 19707 -200589 1740 6 6 54 22 FEB 22 50501.50 -15937 19954 -202439 1872 9 10 62 23 FEB 23 50502.50 -16053 20201 1962 11 13 28 FEB 24 50503.50 -16200 20522 -205995 2072 6 8 21 21 FEB 25 50504.50 -16388 20859 -208056 2065 6 8 34 21 FEB 26 50505.50 -16611 21195 -210108 2031 6 6 44 22 FEB 27 50506.50 -16858 21533 -212147 2013 6 8 52 21 FEB 28 50507.50 -17086 21854 -214175 2031 6 8 60 21 MAR 1 50508.50 -17287 22162 -216186 2007 9 9 67 22 MAR 2 50509.50 -17442 22495 2104 8 9 22 MAR 3 50510.50 -17513 22821 -220334 1890 6 8 21 21 MAR 4 50511.50 -17575 23151 -222274 1978 6 8 34 22 MAR 5 50512.50 -17653 23475 -224377 2127 6 8 44 21 MAR 6 50513.50 -17761 23796 -226718 2392 6 8 53 21 MAR 7 50514.50 -17915 24118 -229049 2469 6 8 60 20 MAR 8 50515.50 -18091 24449 -231648 2715 9 9 67 21 MAR 9 50516.50 -18298 24747 2851 9 9 21 MAR 10 50517.50 -18471 25047 -238064 2856 6 6 21 21 MAR 11 50518.50 -18589 25356 -240851 2782 6 6 33 20 MAR 12 50519.50 -18636 25668 -243625 2656 6 6 42 20 MAR 13 50520.50 -18629 26014 -246201 2469 6 6 49 19 MAR 14 50521.50 -18604 26390 -248594 2372 6 6 56 20 MAR 15 50522.50 -18602 26790 -250906 2310 9 9 62 19 MAR 16 50523.50 -18704 27234 2323 8 9 19 MAR 17 50524.50 -18790 27613 -255531 2366 6 6 19 18 MAR 18 50525.50 -18846 27968 -257857 2384 6 6 29 19 MAR 19 50526.50 -18876 28322 -260283 2382 6 6 38 19 MAR 20 50527.50 -18903 28688 -262725 2448 6 6 45 18 MAR 21 50528.50 -18926 29058 -265237 2594 6 6 51 18 MAR 22 50529.50 -18931 29431 -267766 2523 8 8 57 18 7 -k - EOP(IGS) 95 P 02 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1997 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50480.50 -11263 14685 5 10 FEB 2 50481.50 -11559 14919 5 13 FEB 3 50482.50 -11825 15115 7 6 FEB 4 50483.50 -12089 15373 6 18 FEB 5 50484.50 -12326 15597 16 11 FEB 6 50485.50 -12560 15847 6 14 FEB 7 50486.50 -12730 16061 6 15 FEB 8 50487.50 -12905 16321 5 12 FEB 9 50488.50 -13111 16593 7 8 FEB 10 50489.50 -13290 16882 7 12 FEB 11 50490.50 -13487 17164 10 12 FEB 12 50491.50 -13704 17428 7 11 FEB 13 50492.50 -13913 17685 10 8 FEB 14 50493.50 -14113 17960 7 10 FEB 15 50494.50 -14337 18263 4 17 FEB 16 50495.50 -14583 18524 3 11 FEB 17 50496.50 -14854 18777 3 9 FEB 18 50497.50 -15123 19022 6 11 FEB 19 50498.50 -15357 19245 7 12 FEB 20 50499.50 -15589 19467 8 11 FEB 21 50500.50 -15776 19707 8 12 FEB 22 50501.50 -15948 19959 9 6 FEB 23 50502.50 -16093 20239 8 12 FEB 24 50503.50 -16218 20533 8 8 FEB 25 50504.50 -16383 20865 8 14 FEB 26 50505.50 -16623 21201 8 11 FEB 27 50506.50 -16876 21545 8 13 FEB 28 50507.50 -17102 21860 8 10 MAR 1 50508.50 -17285 22172 8 12 MAR 2 50509.50 -17436 22499 -218458 2012 10 7 37 20 MAR 3 50510.50 -17514 22824 -220495 2016 9 8 31 24 MAR 4 50511.50 -17578 23159 -222584 2048 7 10 26 19 MAR 5 50512.50 -17659 23488 -224828 2195 6 7 24 12 MAR 6 50513.50 -17751 23815 -227130 2409 6 8 28 14 MAR 7 50514.50 -17903 24135 -229614 2560 5 12 36 23 MAR 8 50515.50 -18092 24453 -232279 2770 5 9 39 13 MAR 9 50516.50 -18288 24761 -235178 2869 4 12 30 10 MAR 10 50517.50 -18479 25054 -238049 2869 6 9 22 10 MAR 11 50518.50 -18605 25370 -240808 2741 7 11 24 15 MAR 12 50519.50 -18646 25690 -243569 2627 5 6 23 13 MAR 13 50520.50 -18637 26038 -246110 2471 7 6 20 6 MAR 14 50521.50 -18613 26399 -248488 2400 6 3 17 3 MAR 15 50522.50 -18619 26806 -250801 2354 10 11 16 8 MAR 16 50523.50 -18691 27234 -253145 2360 7 7 50 3 MAR 17 50524.50 -18791 27626 -255525 2376 8 7 41 17 MAR 18 50525.50 -18845 27971 -257879 2399 7 6 38 9 MAR 19 50526.50 -18863 28329 -260349 2435 5 9 40 8 MAR 20 50527.50 -18899 28697 -262758 2464 7 7 36 7 MAR 21 50528.50 -18922 29071 -265178 2525 7 8 46 23 MAR 22 50529.50 -18942 29438 -267726 2550 7 6 42 11 7 -l - EOP(IERS) 96 P 01 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1997 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50480.50 -11320 14547 -167339 7 7 40 FEB 2 50481.50 -11617 14767 -168664 5 6 40 FEB 3 50482.50 -11891 14962 -169940 3 18 40 FEB 4 50483.50 -12158 15208 -171226 3 15 40 FEB 5 50484.50 -12404 15453 -172609 6 7 40 FEB 6 50485.50 -12622 15692 -174128 7 12 40 FEB 7 50486.50 -12793 15908 -175837 9 8 40 FEB 8 50487.50 -12971 16166 -177764 6 7 40 FEB 9 50488.50 -13173 16443 -179765 13 11 40 FEB 10 50489.50 -13357 16734 -181816 6 4 40 FEB 11 50490.50 -13556 17018 -183900 12 12 40 FEB 12 50491.50 -13775 17284 -185933 7 6 40 FEB 13 50492.50 -13987 17538 -187778 9 7 40 FEB 14 50493.50 -14179 17816 -189495 11 5 40 FEB 15 50494.50 -14400 18119 -191135 10 17 40 FEB 16 50495.50 -14646 18394 -192703 3 7 40 FEB 17 50496.50 -14918 18637 -194221 5 11 40 FEB 18 50497.50 -15188 18876 -195786 9 11 40 FEB 19 50498.50 -15429 19099 -197352 10 14 40 FEB 20 50499.50 -15660 19327 -199017 5 9 40 FEB 21 50500.50 -15844 19553 -200732 9 11 40 FEB 22 50501.50 -16022 19805 -202526 9 13 40 FEB 23 50502.50 -16165 20106 -204452 5 9 40 FEB 24 50503.50 -16290 20393 -206462 14 10 40 FEB 25 50504.50 -16449 20720 -208498 6 10 40 FEB 26 50505.50 -16686 21058 -210459 5 15 40 FEB 27 50506.50 -16948 21401 -212487 4 18 40 FEB 28 50507.50 -17175 21721 -214513 6 11 40 MAR 1 50508.50 -17357 22026 -216536 8 7 40 MAR 2 50509.50 -17509 22355 -218579 9 13 40 MAR 3 50510.50 -17584 22678 -220596 13 14 40 MAR 4 50511.50 -17647 23015 -222668 12 21 40 MAR 5 50512.50 -17719 23341 -224824 8 8 40 MAR 6 50513.50 -17809 23669 -227161 5 5 40 MAR 7 50514.50 -17962 23992 -229702 3 16 40 MAR 8 50515.50 -18156 24311 -232411 9 9 40 MAR 9 50516.50 -18352 24618 -235269 3 7 40 MAR 10 50517.50 -18539 24921 -238132 8 13 40 MAR 11 50518.50 -18667 25225 -240924 8 14 40 MAR 12 50519.50 -18715 25543 -243589 5 7 40 MAR 13 50520.50 -18705 25890 -246114 4 12 40 MAR 14 50521.50 -18683 26256 -248537 7 7 40 MAR 15 50522.50 -18695 26671 -250907 10 18 40 MAR 16 50523.50 -18763 27094 -253259 10 13 40 MAR 17 50524.50 -18857 27484 -255573 15 12 40 MAR 18 50525.50 -18911 27832 -257953 12 9 40 MAR 19 50526.50 -18931 28192 -260342 10 11 40 MAR 20 50527.50 -18954 28558 -262768 10 11 40 MAR 21 50528.50 -18982 28923 -265205 6 5 40 MAR 22 50529.50 -19006 29295 -267721 17 7 40 MAR 23 50530.50 -19003 29679 -270286 12 3 40 MAR 24 50531.50 -18999 30053 -272873 14 6 40 MAR 25 50532.50 -19000 30441 -275449 13 10 40 MAR 26 50533.50 -19027 30844 -278007 11 12 40 MAR 27 50534.50 -19059 31232 -280504 14 13 40 MAR 28 50535.50 -19074 31610 -282949 13 13 40 MAR 29 50536.50 -19105 31968 -285344 11 13 40 MAR 30 50537.50 -19155 32337 -287704 12 13 40 7 -m - EOP(IGS) 96 P 02 Units : 0.00001" for x,y, 0.000001s for UT1 and D. Date Uncertainties 1997 MJD x y UT1-UTC D x y UT1-UTC D FEB 1 50480.50 -11243 14681 22 39 FEB 2 50481.50 -11539 14922 14 33 FEB 3 50482.50 -11811 15100 13 15 FEB 4 50483.50 -12096 15379 6 20 FEB 5 50484.50 -12334 15596 8 11 FEB 6 50485.50 -12556 15843 10 15 FEB 7 50486.50 -12732 16059 10 16 FEB 8 50487.50 -12887 16320 10 16 FEB 9 50488.50 -13100 16605 10 13 FEB 10 50489.50 -13288 16892 15 8 FEB 11 50490.50 -13480 17176 10 11 FEB 12 50491.50 -13701 17444 5 10 FEB 13 50492.50 -13909 17688 10 10 FEB 14 50493.50 -14102 17946 10 14 FEB 15 50494.50 -14344 18260 19 29 FEB 16 50495.50 -14584 18542 9 16 FEB 17 50496.50 -14839 18802 18 15 FEB 18 50497.50 -15132 19064 11 22 FEB 19 50498.50 -15357 19260 15 12 FEB 20 50499.50 -15608 19470 14 15 FEB 21 50500.50 -15782 19708 9 20 FEB 22 50501.50 -15944 19957 17 15 FEB 23 50502.50 -16084 20249 12 14 FEB 24 50503.50 -16204 20558 17 18 FEB 25 50504.50 -16370 20895 22 17 FEB 26 50505.50 -16606 21253 9 13 FEB 27 50506.50 -16872 21548 12 15 FEB 28 50507.50 -17118 21872 12 14 MAR 1 50508.50 -17269 22177 5 22 MAR 2 50509.50 -17429 22473 -218359 1982 20 32 78 22 MAR 3 50510.50 -17512 22829 -220361 2038 14 25 82 26 MAR 4 50511.50 -17577 23166 -222406 2052 13 16 86 25 MAR 5 50512.50 -17649 23480 -224489 2201 5 15 84 16 MAR 6 50513.50 -17734 23799 -226786 2394 10 18 85 13 MAR 7 50514.50 -17896 24129 -229244 2522 13 29 90 30 MAR 8 50515.50 -18090 24475 -231876 2743 9 19 92 17 MAR 9 50516.50 -18282 24761 -234676 2856 13 21 94 22 MAR 10 50517.50 -18492 25076 -237977 2864 12 12 50 12 MAR 11 50518.50 -18625 25370 -240765 2711 12 19 51 10 MAR 12 50519.50 -18654 25684 -243402 2589 9 21 50 9 MAR 13 50520.50 -18646 26038 -245924 2453 12 18 51 12 MAR 14 50521.50 -18615 26424 -248344 2388 12 21 53 16 MAR 15 50522.50 -18607 26807 -250703 2330 14 23 55 14 MAR 16 50523.50 -18688 27250 -253041 2346 6 24 56 11 MAR 17 50524.50 -18751 27637 -255617 2380 18 44 45 24 MAR 18 50525.50 -18857 27963 -258013 2412 14 25 48 18 MAR 19 50526.50 -18859 28334 -260442 2440 10 15 49 13 MAR 20 50527.50 -18894 28712 -262909 2494 8 15 51 14 MAR 21 50528.50 -18912 29066 -265427 2543 5 16 56 23 MAR 22 50529.50 -18945 29445 -267972 2546 6 17 59 19 MAR 23 50530.50 -18925 29823 -270368 2567 8 12 37 14 MAR 24 50531.50 -18927 30175 -272788 2591 10 13 20 16 MAR 25 50532.50 -18891 30575 -275374 2580 5 16 27 19 MAR 26 50533.50 -18932 30966 -278157 2528 7 14 127 20 MAR 27 50534.50 -19010 31381 -280650 2457 11 12 129 22 MAR 28 50535.50 -19031 31741 -283076 2395 14 17 129 11 MAR 29 50536.50 -19052 32139 -285484 2420 10 16 130 14 MAR 30 50537.50 -19087 32501 -287890 2392 8 16 131 18 7-n - Satellite Laser Ranging : LAGEOS -EOP(CSR) 95 L 01 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1997 MJD x y UT1-UTC x y UT1-UTC FEB 2 50481.26 -11618 14703 -168227 35 37 34 FEB 4 50483.61 -12225 15213 -171220 47 49 40 FEB 7 50486.62 -12880 15971 -175975 40 42 32 FEB 10 50489.85 -13443 16884 -182639 29 37 27 FEB 14 50493.48 -14214 17855 -189408 30 30 26 FEB 16 50495.87 -14804 18509 -193175 48 43 51 FEB 20 50499.12 -15613 19292 -198376 32 36 35 FEB 23 50502.13 -16112 19983 -203559 33 30 28 FEB 25 50504.90 -16563 20922 -209184 46 40 39 FEB 28 50507.86 -17291 21873 -215147 56 58 48 MAR 3 50510.69 -17612 22754 -221018 36 39 29 MAR 7 50514.26 -17934 23950 -229037 36 36 34 MAR 10 50517.52 -18594 24926 -238114 41 35 37 MAR 12 50519.94 -18753 25720 -244664 31 30 28 MAR 16 50523.18 -18813 26965 -252405 56 48 30 MAR 19 50526.29 -18909 28132 -259884 40 39 26 MAR 21 50528.82 -19008 29049 -266164 42 33 85 MAR 24 50531.57 -19061 30063 -273159 174 105 187 7-o - Satellite Laser Ranging : LAGEOS -EOP(DUT) 93 L 03 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1997 MJD x y UT1-UTC x y UT1-UTC FEB 2 50481.00 -11412 14805 -127411 13 15 14 FEB 5 50484.00 -12262 15447 -131290 15 15 13 FEB 8 50487.00 -12805 16205 -136365 12 14 13 FEB 11 50490.00 -13351 17077 -142519 11 12 11 FEB 14 50493.00 -14073 17719 -148268 16 16 17 FEB 17 50496.00 -14711 18678 -153474 15 15 15 FEB 20 50499.00 -15432 19298 -158140 12 13 13 FEB 23 50502.00 -16008 20104 -163629 12 12 12 FEB 26 50505.00 -16500 21098 -169708 16 13 13 MAR 1 50508.00 -17139 22052 -175928 15 22 20 MAR 4 50511.00 -17503 23047 -182023 14 15 13 MAR 7 50514.00 -17883 24005 -188877 22 32 30 MAR 10 50517.00 -18314 24913 -197433 11 13 14 MAR 13 50520.00 -18612 25937 -205612 12 12 12 MAR 16 50523.00 -18649 27085 -212998 20 16 15 MAR 19 50526.00 -18751 28234 -220076 15 13 11 7-p - Satellite Laser Ranging : LAGEOS -EOP(IAA) 96 L 02 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1997 MJD x y UT1-UTC x y UT1-UTC FEB 1 50480.00 -11142 14443 -166684 16 16 38 FEB 2 50481.00 -11457 14669 -168020 15 15 37 FEB 3 50482.00 -11732 14883 -169339 16 16 40 FEB 4 50483.00 -11985 15102 -170621 16 16 38 FEB 5 50484.00 -12260 15336 -171893 16 16 41 FEB 6 50485.00 -12502 15589 -173365 16 16 43 FEB 7 50486.00 -12729 15794 -174936 16 16 41 FEB 8 50487.00 -12849 16059 -176794 16 16 41 FEB 9 50488.00 -13021 16311 -178838 16 16 43 FEB 10 50489.00 -13247 16628 -180835 16 16 38 FEB 11 50490.00 -13440 16919 -182857 16 16 39 FEB 12 50491.00 -13645 17173 -184947 16 16 37 FEB 13 50492.00 -13832 17442 -186855 16 16 40 FEB 14 50493.00 -14003 17735 -188568 15 16 39 FEB 15 50494.00 -14235 18015 -190256 15 15 39 FEB 16 50495.00 -14477 18271 -191931 16 16 45 FEB 17 50496.00 -14749 18533 -193452 16 16 43 FEB 18 50497.00 -15015 18757 -194980 15 15 42 FEB 19 50498.00 -15282 18984 -196480 16 16 38 FEB 20 50499.00 -15530 19223 -198170 15 16 37 FEB 21 50500.00 -15755 19450 -199830 16 16 39 FEB 22 50501.00 -15917 19670 -201647 15 15 38 FEB 23 50502.00 -16063 19955 -203584 15 15 41 FEB 24 50503.00 -16190 20255 -205480 16 15 39 FEB 25 50504.00 -16339 20599 -207473 16 15 39 FEB 26 50505.00 -16519 20937 -209536 16 16 43 FEB 27 50506.00 -16775 21262 -211515 16 16 38 FEB 28 50507.00 -17026 21598 -213507 16 16 39 MAR 1 50508.00 -17215 21916 -215531 16 16 42 MAR 2 50509.00 -17388 22212 -217568 16 16 44 MAR 3 50510.00 -17484 22538 -219576 15 16 38 MAR 4 50511.00 -17569 22874 -221623 15 16 38 MAR 5 50512.00 -17665 23203 -223748 16 16 42 MAR 6 50513.00 -17753 23514 -225971 16 15 40 MAR 7 50514.00 -17864 23869 -228382 16 16 42 MAR 8 50515.00 -18047 24182 -231045 16 15 37 MAR 9 50516.00 -18246 24485 -233808 16 16 43 MAR 10 50517.00 -18432 24784 -236675 16 16 42 MAR 11 50518.00 -18579 25096 -239501 15 15 39 MAR 12 50519.00 -18653 25437 -242259 16 15 38 MAR 13 50520.00 -18578 25827 -244881 17 16 40 MAR 14 50521.00 -18595 26183 -247335 17 16 40 MAR 15 50522.00 -18640 26549 -249663 18 17 40 MAR 16 50523.00 -18692 26916 -251977 21 17 41 MAR 17 50524.00 -18736 27291 -254291 21 17 42 MAR 18 50525.00 -18783 27648 -256734 16 16 40 MAR 19 50526.00 -18775 28057 -259124 16 16 40 MAR 20 50527.00 -18816 28400 -261531 16 16 40 MAR 21 50528.00 -18852 28837 -264000 16 16 40 MAR 22 50529.00 -18912 29202 -266538 16 16 40 MAR 23 50530.00 -19004 29520 -269109 16 16 41 MAR 24 50531.00 -19010 29903 -271675 17 16 41 MAR 25 50532.00 -18986 30285 -274203 18 16 41 MAR 26 50533.00 -18927 30728 -276715 23 27 44 MAR 27 50534.00 -18913 31146 -279208 17 18 47 MAR 28 50535.00 -18951 31521 -281642 19 20 48 MAR 29 50536.00 -19000 31884 -284012 20 21 49 MAR 30 50537.00 -19071 32228 -286356 27 33 53 7-q - Satellite Laser Ranging : LAGEOS -EOP(MCC) 96 L 01 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1997 MJD x y D x y D FEB 2 50481.00 -11448 14677 1420 10 11 10 FEB 5 50484.00 -12318 15257 1340 15 15 10 FEB 11 50490.00 -13510 16920 2060 10 12 10 FEB 14 50493.00 -14067 17756 1750 9 12 10 FEB 17 50496.00 -14732 18599 1470 18 13 20 FEB 20 50499.00 -15493 19335 1580 13 11 20 FEB 23 50502.00 -16102 20002 1930 6 8 10 FEB 26 50505.00 -16523 20982 2020 10 10 10 MAR 1 50508.00 -17264 21883 2020 8 10 10 MAR 4 50511.00 -17615 22885 2020 11 13 10 MAR 7 50514.00 -17936 23846 2430 12 10 10 MAR 10 50517.00 -18434 24811 2840 9 10 10 MAR 13 50520.00 -18738 25820 2430 10 9 10 MAR 16 50523.00 -18667 26920 2280 13 12 10 MAR 19 50526.00 -18857 28053 2390 10 9 10 MAR 22 50529.00 -18978 29143 2490 15 6 10