BULLETIN B 146 04 April 2000 Contents described in the Explanatory Supplement, mailed with Bulletin B145 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 2000 " " s s 0.001" 0.001" (0h UTC) Final Bulletin B values. FEB 5 51579 .05904 .37313 .325184 -31.674816 -49.0 -2.9 FEB 10 51584 .06472 .37171 .320628 -31.679372 -49.2 -3.3 FEB 15 51589 .06602 .36925 .316717 -31.683283 -50.8 -3.9 FEB 20 51594 .06900 .36819 .312820 -31.687180 -49.1 -4.0 FEB 25 51599 .06793 .36522 .308183 -31.691817 -49.9 -4.6 MAR 1 51604 .06640 .36147 .303527 -31.696473 -49.5 -4.6 Preliminary extension, to be updated weekly in Bulletin A and monthly in Bulletin B. MAR 6 51609 .06815 .36002 .298524 -31.701476 -48.4 -4.4 MAR 11 51614 .07169 .35865 .293278 -31.706722 -50.2 -5.0 MAR 16 51619 .07475 .35630 .288276 -31.711724 -48.8 -5.0 MAR 21 51624 .07385 .35261 .284383 -31.715617 -47.7 -4.7 MAR 26 51629 .07341 .34959 .280102 -31.719898 -48.3 -5.9 MAR 31 51634 .07419 .34617 .275797 -31.724203 -46.3 -6.1 APR 5 51639 .07744 .34561 .270493 -31.729507 -46.4 -5.8 APR 10 51644 .07945 .34251 .264877 -31.735123 -47.3 -6.8 APR 15 51649 .08136 .33979 .258766 -31.741234 -45.2 -6.4 APR 20 51654 .08323 .33682 .252373 -31.747627 -46.9 -6.2 APR 25 51659 .08495 .33373 .245865 -31.754135 -45.7 -7.1 APR 30 51664 .08651 .33054 .239376 -31.760624 -44.9 -6.7 MAY 5 51669 .08788 .32724 .232994 -31.767006 -47.0 -6.6 MAY 10 51674 .08905 .32382 .226807 -31.773193 -45.7 -7.1 MAY 15 51679 .08998 .32031 .220867 -31.779133 -46.1 -6.3 MAY 20 51684 .09067 .31671 .215229 -31.784771 -47.3 -6.8 MAY 25 51689 .09109 .31303 .209930 -31.790070 -45.7 -7.0 MAY 30 51694 .09122 .30928 .205002 -31.794998 -47.3 -6.4 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. IERS, B 146 (2) 2 - SMOOTHED VALUES OF X, Y, UT1, D, DPSI, DEPSILON (IERS EVALUATION) at one-day intervals. For smoothing characteristics, see Table2 in the explanatory supplement. The reference system is described in the 1998 IERS Annual Report. 2000 MJD x y UT1-UTC UT1-UT1R D dPsi dEpsilon (0 h UTC) " " s ms ms 0.001" 0.001" FEB 1 51575 .05689 .37552 .328322 -.613 .647 -50.7 -3.0 FEB 2 51576 .05720 .37501 .327699 -.207 .579 -50.3 -3.1 FEB 3 51577 .05766 .37440 .327150 .222 .511 -49.8 -3.1 FEB 4 51578 .05819 .37375 .326667 .628 .494 -49.4 -3.0 FEB 5 51579 .05904 .37313 .326148 .964 .600 -49.0 -2.9 FEB 6 51580 .05997 .37262 .325463 1.188 .777 -48.6 -3.1 FEB 7 51581 .06104 .37222 .324586 1.272 .911 -48.4 -3.3 FEB 8 51582 .06224 .37194 .323643 1.211 1.004 -48.3 -3.3 FEB 9 51583 .06347 .37198 .322589 1.023 1.142 -48.7 -3.3 FEB 10 51584 .06472 .37171 .321375 .747 1.241 -49.2 -3.3 FEB 11 51585 .06579 .37116 .320126 .439 1.186 -49.8 -3.5 FEB 12 51586 .06624 .37067 .319022 .159 .999 -50.4 -3.6 FEB 13 51587 .06619 .37014 .318143 -.040 .856 -50.8 -3.7 FEB 14 51588 .06597 .36971 .317317 -.123 .755 -51.0 -3.9 FEB 15 51589 .06602 .36925 .316628 -.089 .651 -50.8 -3.9 FEB 16 51590 .06665 .36881 .315996 .028 .651 -50.6 -3.9 FEB 17 51591 .06738 .36849 .315300 .160 .691 -50.2 -3.9 FEB 18 51592 .06796 .36834 .314590 .233 .740 -49.7 -3.9 FEB 19 51593 .06852 .36831 .313808 .187 .883 -49.4 -4.0 FEB 20 51594 .06900 .36819 .312827 .007 1.104 -49.1 -4.0 FEB 21 51595 .06917 .36790 .311616 -.281 1.264 -49.0 -4.0 FEB 22 51596 .06898 .36735 .310322 -.614 1.267 -49.1 -4.2 FEB 23 51597 .06872 .36677 .309104 -.923 1.182 -49.3 -4.3 FEB 24 51598 .06840 .36605 .307975 -1.148 1.089 -49.6 -4.5 FEB 25 51599 .06793 .36522 .306936 -1.247 .954 -49.9 -4.6 FEB 26 51600 .06744 .36435 .306068 -1.206 .791 -50.1 -4.7 FEB 27 51601 .06697 .36343 .305349 -1.026 .694 -50.2 -4.7 FEB 28 51602 .06662 .36264 .304672 -.727 .610 -50.1 -4.7 FEB 29 51603 .06645 .36191 .304115 -.343 .524 -49.8 -4.6 MAR 1 51604 .06640 .36147 .303608 .081 .533 -49.5 -4.6 MAR 2 51605 .06656 .36097 .303033 .496 .591 -49.0 -4.5 MAR 3 51606 .06713 .36033 .302409 .853 .665 -48.6 -4.4 MAR 4 51607 .06776 .36017 .301689 1.105 .808 -48.4 -4.3 MAR 5 51608 .06794 .36017 .300782 1.218 .994 -48.3 -4.3 MAR 6 51609 .06815 .36002 .299699 1.175 1.166 -48.4 -4.4 MAR 7 51610 .06860 .35977 .298459 .984 1.312 -48.7 -4.5 MAR 8 51611 .06882 .35973 .297092 .684 1.405 -49.1 -4.6 MAR 9 51612 .06928 .35931 .295673 .340 1.397 -49.6 -4.8 MAR 10 51613 .07026 .35881 .294321 .024 1.308 -49.9 -5.0 MAR 11 51614 .07169 .35865 .293076 -.202 1.205 -50.2 -5.0 MAR 12 51615 .07307 .35865 .291919 -.298 1.076 -50.2 -5.1 MAR 13 51616 .07392 .35848 .290919 -.260 .918 -50.0 -5.1 MAR 14 51617 .07437 .35796 .290066 -.120 .808 -49.6 -5.1 MAR 15 51618 .07461 .35721 .289278 .061 .777 -49.2 -5.1 MAR 16 51619 .07475 .35630 .288486 .210 .814 -48.8 -5.0 MAR 17 51620 .07454 .35548 .287632 .260 .888 -48.4 -4.8 MAR 18 51621 .07423 .35475 .286704 .173 .950 -48.1 -4.7 MAR 19 51622 .07399 .35395 .285740 -.045 .984 -47.9 -4.7 MAR 20 51623 .07376 .35315 .284756 -.350 1.028 -47.9 -4.6 MAR 21 51624 .07385 .35261 .283708 -.675 1.081 -47.7 -4.7 MAR 22 51625 .07396 .35220 .282616 -.949 1.068 -48.2 -4.7 MAR 23 51626 .07388 .35160 .281587 -1.116 .956 -48.5 -5.0 MAR 24 51627 .07389 .35101 .280709 -1.146 .812 -48.7 -5.2 MAR 25 51628 .07372 .35045 .279961 -1.029 .689 -48.6 -5.5 MAR 26 51629 .07341 .34959 .279324 -.777 .512 -48.3 -5.9 MAR 27 51630 .07310 .34873 .278925 -.422 .395 -47.8 -6.1 MAR 28 51631 .07293 .34814 .278518 -.005 .417 -47.3 -6.3 MAR 29 51632 .07285 .34737 .278073 .424 .460 -46.9 -6.3 MAR 30 51633 .07327 .34667 .277582 .811 .576 -46.4 -6.3 IERS, B 146 (3) 3 - NORMAL VALUES OF THE EARTH ORIENTATION PARAMETERS AT FIVE-DAY INTERVALS (IERS evaluation). Raw normal values Uncertainties 2000 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 51579 .05889 .37306 .326144 - - .13 .21 .13 - - FEB 10 51584 .06489 .37181 .321375 -49.02 -3.16 .18 .20 .17 1.10 .54 FEB 15 51589 .06609 .36932 .316632 -50.72 -3.77 .06 .06 .05 .23 .13 FEB 20 51594 .06892 .36820 .312834 - - .18 .17 .23 - - FEB 25 51599 .06805 .36541 .306936 -49.64 -4.37 .07 .07 .06 .34 .17 MAR 1 51604 .06624 .36155 .303607 -49.32 -4.48 .26 .28 .25 1.14 .55 MAR 6 51609 .06797 .35977 .299699 -48.98 -4.97 .10 .12 .08 .46 .22 MAR 11 51614 .07182 .35880 .293077 - - .19 .12 .15 - - MAR 16 51619 .07467 .35624 .288488 -48.93 -5.07 .07 .08 .06 .33 .17 MAR 21 51624 .07417 .35276 .283709 - - .17 .16 .14 - - MAR 26 51629 .07336 .34952 .279325 - - .17 .16 .09 - - 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 2000 MJD s (microrad/s) FEB 5 51579 .00089 72.921 15072 FEB 10 51584 .00094 15067 FEB 15 51589 .00074 15084 FEB 20 51594 .00087 15074 FEB 25 51599 .00093 15068 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 IERS, B 146 (4) 6 - SUMMARY OF CONTRIBUTED EARTH ORIENTATION PARAMETERS SERIES This section gives the average precision of the individual series contri- buting to the combination and their average agreement with it. The periods covered start at the beginning of the first month in Section 1 and end with the last available value in the individual series considered. The complete list of measurements is available in the electronic-mailed version of Bulletin B in section 7. Units : 0.001" for x,y , 0.0001s for UT1, 0.001" for dPsi, dEpsi. -------------------------------------------------------------------------------- EOP series Mean formal uncertainty Periods covered Weighted RMS agreement with Bulletin B -------------------------------------------------------------------------------- x y UT D dPsi dEps Data Number VLBI EOP(SPBU) 99 R 01 - - .21 - - - 43 51575.69 to 51628.87 - - .17 - - - EOP(IAA) 98 R 01 .08 .07 .04 - .16 .06 7 51576.25 to 51618.25 .22 .08 .05 - .33 .09 EOP(USNO) 99 R 01 .13 .10 .05 .16 .26 .10 7 51576.25 to 51618.25 .10 .06 .05 .28 .03 .02 EOP(USNO) 99 R 02 - - .23 - - - 45 51575.69 to 51631.70 - - .18 - - - GPS EOP(CODE) 98 P 01 .01 .01 - .02 - - 58 51575.50 to 51632.50 .10 .21 - .30 - - EOP(EMR) 96 P 03 .09 .09 - .18 - - 54 51575.50 to 51628.50 .27 .37 - .44 - - EOP(ESOC) 96 P 01 .02 .03 - .03 - - 58 51575.50 to 51632.50 .12 .12 - .26 - - EOP(GFZ) 96 P 02 .01 .01 - .01 - - 58 51575.50 to 51632.50 .07 .13 - .38 - - EOP(JPL) 96 P 03 .04 .05 - .15 - - 58 51575.50 to 51632.50 .23 .16 - .56 - - EOP(NOAA) 96 P 01 .03 .03 - .19 - - 57 51575.50 to 51631.50 .26 .33 - .80 - - EOP(SIO) 96 P 01 .09 .09 - .22 - - 58 51575.50 to 51632.50 .09 .34 - .49 - - EOP(IGS) 95 P 02 .06 .05 .22 .09 - - 47 51575.50 to 51621.50 .08 .07 .24 .24 - - EOP(IGS) 96 P 02 .08 .10 .33 .15 - - 58 51575.50 to 51632.50 .09 .14 .95 .31 - - EOP(IERS) 97 P 01 .07 .08 .28 .19 - - 58 51575.50 to 51632.50 .03 .05 .38 .24 - - SLR EOP(CGS) 97 L 02 .34 .36 .33 - - - 55 51575.00 to 51629.00 1.23 1.12 2.89 - - - EOP(CSR) 95 L 01 .30 .31 .29 - - - 19 51575.83 to 51629.83 .41 .25 1.04 - - - EOP(DUT) 98 L 01 .10 .10 - - - - 20 51576.00 to 51633.00 .38 .37 - - - - EOP(IAA) 98 L 02 .06 .06 .04 .04 - - 59 51575.00 to 51633.00 .21 .15 .64 .25 - - EOP(MCC) 97 L 01 .06 .05 - .07 - - 44 51575.00 to 51618.00 .14 .25 - .38 - - Bulletin A EOP(NEOS) 97 C 01 .10 .08 .17 - - - 59 51575.00 to 51633.00 .08 .05 .25 - - - 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(SPBU) 99 R 01 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 1999/ 0 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi JAN 31 51574.69 328545 19 FEB 1 51575.69 327900 15 FEB 3 51577.68 326824 13 FEB 4 51578.68 326329 16 FEB 5 51579.67 325709 20 FEB 5 51579.84 325589 14 FEB 7 51581.68 323938 23 FEB 8 51582.67 322994 20 FEB 10 51584.66 320547 18 FEB 11 51585.66 319364 8 FEB 12 51586.66 318446 15 FEB 12 51586.82 318289 24 FEB 14 51588.65 316979 ** FEB 15 51589.65 316246 20 FEB 17 51591.64 314878 27 FEB 18 51592.64 314114 34 FEB 19 51593.64 313227 42 FEB 19 51593.79 313111 30 FEB 22 51596.63 309550 15 FEB 24 51598.62 307330 22 FEB 25 51599.62 306375 24 FEB 26 51600.62 305629 18 FEB 26 51600.78 305500 12 FEB 28 51602.61 304344 29 FEB 29 51603.61 303825 35 MAR 2 51605.77 302558 12 MAR 3 51606.77 301889 25 MAR 4 51607.77 300981 15 MAR 4 51607.93 300909 23 MAR 6 51609.76 298768 10 MAR 9 51612.75 294661 29 MAR 10 51613.75 293373 18 MAR 11 51614.75 292147 24 MAR 11 51614.91 292043 13 MAR 13 51616.74 290299 13 MAR 16 51619.74 287865 9 MAR 17 51620.73 286955 13 MAR 18 51621.73 286012 12 MAR 18 51621.89 285837 10 MAR 20 51623.72 284010 10 MAR 23 51626.72 280938 14 MAR 24 51627.71 280173 11 MAR 25 51628.71 279508 20 MAR 25 51628.87 279346 20 7-b - Very Long Base Radio Interferometry - EOP(OPA) 98 R 01 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 1999/ 0 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi 7-c - Very Long Base Radio Interferometry - EOP(IAA) 98 R 01 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 1999/ 0 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi FEB 2 51576.25 5744 37510 327556 -5011 -310 6 6 3 12 5 FEB 9 51583.25 6382 37220 322296 -4842 -322 13 11 5 25 10 FEB 16 51590.25 6722 36898 315826 -5106 -372 7 6 3 14 5 FEB 23 51597.25 6851 36677 308823 -4917 -431 8 7 3 16 6 MAR 1 51604.25 6634 36163 303471 -4937 -453 8 7 4 15 6 MAR 8 51611.25 6868 35978 296746 -4892 -446 8 7 4 15 6 MAR 15 51618.25 7455 35708 289089 -4958 -510 9 7 4 16 6 7-d - Very Long Base Radio Interferometry - EOP(USNO) 99 R 01 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 1999/ 0 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi FEB 2 51576.25 5746 37507 327554 -5004 -316 10 8 4 19 9 FEB 9 51583.25 6354 37221 322294 -4878 -337 18 15 6 37 16 FEB 16 51590.25 6685 36888 315832 -5047 -398 10 8 4 21 9 FEB 23 51597.25 6865 36670 308811 -4934 -441 14 11 6 28 11 MAR 1 51604.25 6645 36153 303471 -4929 -462 12 10 5 26 9 MAR 8 51611.25 6880 35996 296741 -4920 -471 12 9 5 26 9 MAR 15 51618.25 7460 35720 289084 -4905 -510 12 10 6 25 10 7-e - Very Long Base Radio Interferometry - EOP(USNO) 99 R 02 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 1999/ 0 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi JAN 31 51574.69 328509 20 FEB 1 51575.69 327873 16 FEB 3 51577.68 326801 18 FEB 4 51578.68 326322 14 FEB 5 51579.67 325695 17 FEB 5 51579.84 325584 15 FEB 7 51581.68 323961 ** FEB 8 51582.67 323012 38 FEB 10 51584.66 320542 21 FEB 11 51585.66 319349 26 FEB 12 51586.66 318398 22 FEB 12 51586.82 318294 27 FEB 14 51588.65 316856 24 FEB 15 51589.65 316228 17 FEB 17 51591.64 314853 18 FEB 18 51592.64 314105 25 FEB 19 51593.64 313174 24 FEB 19 51593.79 313053 25 FEB 22 51596.63 309528 22 FEB 24 51598.62 307299 18 FEB 25 51599.62 306373 26 FEB 26 51600.62 305594 21 FEB 26 51600.78 305496 14 FEB 28 51602.61 304297 23 FEB 29 51603.61 303809 24 MAR 2 51605.77 302547 17 MAR 3 51606.77 301857 21 MAR 4 51607.77 300972 19 MAR 4 51607.93 300923 34 MAR 6 51609.76 298757 17 MAR 9 51612.75 294626 29 MAR 10 51613.75 293378 23 MAR 11 51614.75 292142 25 MAR 11 51614.91 292027 18 MAR 13 51616.74 290246 14 MAR 16 51619.74 287857 15 MAR 17 51620.73 286958 19 MAR 18 51621.73 286005 18 MAR 18 51621.89 285827 19 MAR 20 51623.72 283992 14 MAR 23 51626.71 280938 17 MAR 24 51627.71 280158 15 MAR 25 51628.71 279512 18 MAR 25 51628.87 279353 25 MAR 27 51630.70 278657 25 MAR 28 51631.70 278211 20 7-f - Lunar Laser Ranging - EOP(UTXMO)99 M 01 (UNIT : 0.000001s for UT0-UTC) Date Uncertainties 1999/ 0 MJD UT0-UTC UTO-UTC STATION REFLECTOR 7 -g - EOP(CODE) 98 P 01 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 1999/ 0 MJD x y UT1-UTC D x y UT1-UTC D JAN 31 51574.50 57082 375869 3240040 6843 15 14 25 14 FEB 1 51575.50 57191 375524 3233607 6148 15 14 26 14 FEB 2 51576.50 57431 374892 3228073 5472 15 14 27 15 FEB 3 51577.50 57959 374346 3223116 5136 14 13 28 16 FEB 4 51578.50 58709 373698 3218049 5478 13 13 28 16 FEB 5 51579.50 59557 373172 3211899 6754 14 13 29 17 FEB 6 51580.50 60623 372671 3204229 8385 14 14 30 17 FEB 7 51581.50 61731 372351 3195007 9939 14 14 30 18 FEB 8 51582.50 63019 372149 3184040 11567 15 15 31 18 FEB 9 51583.50 64211 371854 3171941 12476 15 14 31 18 FEB 10 51584.50 65360 371558 3159454 12578 14 14 30 18 FEB 11 51585.50 66004 371122 3147745 11496 14 14 31 18 FEB 12 51586.50 66351 370718 3137331 9949 14 14 30 18 FEB 13 51587.50 66209 370226 3128372 8355 14 14 30 17 FEB 14 51588.50 66307 369809 3120284 7522 14 14 29 17 FEB 15 51589.50 66543 369441 3112979 6964 14 15 30 17 FEB 16 51590.50 67130 369030 3106071 6927 14 14 29 16 FEB 17 51591.50 67775 368741 3098778 7683 14 14 28 16 FEB 18 51592.50 68314 368548 3090465 8949 14 14 27 15 FEB 19 51593.50 68834 368492 3080406 10722 14 14 26 15 FEB 20 51594.50 69083 368334 3068467 12411 14 14 26 15 FEB 21 51595.50 69152 367986 3055571 13042 13 13 25 14 FEB 22 51596.50 68898 367360 3042684 12681 13 13 25 14 FEB 23 51597.50 68625 366693 3030637 11562 13 13 24 14 FEB 24 51598.50 68210 365894 3019725 10255 13 13 24 13 FEB 25 51599.50 67713 365056 3010026 8983 14 13 25 14 FEB 26 51600.50 67226 364172 3001642 7704 14 14 25 14 FEB 27 51601.50 66852 363252 2994631 6453 15 14 26 14 FEB 28 51602.50 66629 362571 2988326 5931 14 14 25 14 FEB 29 51603.50 66464 361999 2982303 5880 14 14 25 14 MAR 1 51604.50 66549 361526 2976444 5965 15 15 25 14 MAR 2 51605.50 66870 361100 2970310 6489 15 15 25 14 MAR 3 51606.50 67458 360787 2963203 7681 15 14 25 14 MAR 4 51607.50 67854 360648 2954648 9288 14 14 24 14 MAR 5 51608.50 68055 360573 2944374 11062 15 14 26 14 MAR 6 51609.50 68331 360362 2932186 12891 15 14 26 14 MAR 7 51610.50 68657 360097 2918870 13790 15 14 26 14 MAR 8 51611.50 69154 359703 2904823 14184 15 15 25 14 MAR 9 51612.50 69890 359290 2890836 13764 15 15 26 14 MAR 10 51613.50 71048 358964 2877501 12815 15 14 26 14 MAR 11 51614.50 72416 358844 2865426 11399 15 14 25 14 MAR 12 51615.50 73494 358809 2854738 10036 15 15 26 14 MAR 13 51616.50 74183 358551 2845551 8736 15 15 26 14 MAR 14 51617.50 74501 357913 2837317 8117 15 15 26 14 MAR 15 51618.50 74757 357030 2829325 8251 15 15 26 14 MAR 16 51619.50 74755 356119 2820948 8941 15 15 26 14 MAR 17 51620.50 74583 355302 2812034 9614 15 15 26 14 MAR 18 51621.50 74193 354547 2802626 10028 14 14 26 14 MAR 19 51622.50 73932 353727 2792667 10319 14 14 25 14 MAR 20 51623.50 73848 353106 2782079 10594 14 14 26 14 MAR 21 51624.50 73903 352614 2771076 10671 14 14 26 14 MAR 22 51625.50 73990 352125 2760285 10207 14 14 26 15 MAR 23 51626.50 73874 351481 2750275 9293 14 14 26 15 MAR 24 51627.50 73817 350837 2741780 7764 14 14 26 15 MAR 25 51628.50 73471 350171 2735002 6132 14 14 26 15 MAR 26 51629.50 73226 349429 2729593 4932 14 14 27 15 MAR 27 51630.50 72877 348678 2725186 4159 14 14 27 16 MAR 28 51631.50 72870 347912 2720964 4233 14 14 28 16 MAR 29 51632.50 73258 347179 2716615 4618 14 14 28 16 MAR 30 51633.50 73858 345947 2773804 5473 20 21 14 12 7 -h - EOP(EMR) 96 P 03 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 1999 MJD x y UT1-UTC D x y UT1-UTC D 7 -i - EOP(ESOC) 96 P 01 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 1999/ 0 MJD x y UT1-UTC D x y UT1-UTC D JAN 31 51574.50 57106 376120 3286566 6934 17 17 18 23 FEB 1 51575.50 57093 375578 3280110 5978 17 17 26 23 FEB 2 51576.50 57566 374831 3274480 5281 17 17 31 23 FEB 3 51577.50 58089 374341 3269399 4881 17 17 36 24 FEB 4 51578.50 58782 373650 3264559 4800 17 17 41 23 FEB 5 51579.50 59648 373252 3258896 6525 20 20 45 26 FEB 6 51580.50 60593 372808 3250500 7857 20 21 10 29 FEB 7 51581.50 61743 372354 3241777 9588 18 19 20 26 FEB 8 51582.50 62816 372049 3231374 11218 18 19 29 26 FEB 9 51583.50 64104 372029 3219636 12258 18 19 35 26 FEB 10 51584.50 65537 371641 3207553 11908 18 18 40 25 FEB 11 51585.50 66310 370898 3196119 10960 18 19 45 26 FEB 12 51586.50 66337 370625 3186082 9114 20 20 50 27 FEB 13 51587.50 66117 370187 3177000 7689 19 20 10 26 FEB 14 51588.50 65955 369774 3169646 7019 18 18 18 24 FEB 15 51589.50 66024 369190 3163093 6087 18 18 27 24 FEB 16 51590.50 66861 368815 3156900 6299 18 18 32 24 FEB 17 51591.50 67789 368749 3150230 7040 18 18 37 24 FEB 18 51592.50 68406 368649 3142634 8152 18 18 42 25 FEB 19 51593.50 68780 368451 3133569 9978 21 21 47 28 FEB 20 51594.50 69411 368173 3121700 11974 21 21 10 28 FEB 21 51595.50 69243 367870 3109479 12469 18 18 19 26 FEB 22 51596.50 68986 367263 3097119 12250 18 18 29 24 FEB 23 51597.50 68757 366677 3085357 11275 17 18 34 24 FEB 24 51598.50 68350 365940 3074861 9718 18 18 39 25 FEB 25 51599.50 67704 365030 3065664 8675 18 18 44 26 FEB 26 51600.50 67321 364196 3057685 7284 21 22 49 30 FEB 27 51601.50 66796 363184 3050100 5799 23 23 10 30 FEB 28 51602.50 66680 362446 3044413 5576 20 21 21 28 FEB 29 51603.50 66627 361882 3038915 5419 21 22 31 32 MAR 1 51604.50 66639 361331 3033444 5524 21 21 41 30 MAR 2 51605.50 67029 360815 3027642 6080 21 22 48 31 MAR 3 51606.50 67742 360526 3020972 7261 22 22 54 32 MAR 4 51607.50 68169 360444 3012848 8987 27 27 61 39 MAR 5 51608.50 68078 360299 3002150 10310 25 26 10 38 MAR 6 51609.50 68504 360040 2990911 12168 20 22 25 33 MAR 7 51610.50 68975 359921 2978115 13424 20 21 37 32 MAR 8 51611.50 69245 359698 2964589 13627 20 21 45 30 MAR 9 51612.50 69854 359322 2951006 13539 19 20 51 29 MAR 10 51613.50 71072 359016 2937984 12505 20 21 57 30 MAR 11 51614.50 72582 359029 2926195 11073 23 25 62 34 MAR 12 51615.50 73574 358942 2914150 9594 22 24 10 34 MAR 13 51616.50 74469 358622 2905227 8252 20 20 22 28 MAR 14 51617.50 74785 357996 2897554 7093 19 20 32 29 MAR 15 51618.50 74810 357036 2890133 7748 19 20 39 29 MAR 16 51619.50 74833 356140 2882093 8332 20 21 46 29 MAR 17 51620.50 74481 355454 2873332 9191 20 21 52 33 MAR 18 51621.50 74258 354691 2864047 9379 24 26 59 36 MAR 19 51622.50 73801 353871 2852300 9868 22 25 10 33 MAR 20 51623.50 73950 353313 2842238 10256 19 21 22 29 MAR 21 51624.50 74091 352825 2831980 10261 19 21 33 30 MAR 22 51625.50 74018 352276 2821864 9971 19 21 41 29 MAR 23 51626.50 74154 351664 2812363 9030 19 21 47 30 MAR 24 51627.50 73927 351154 2804128 7440 20 21 53 31 MAR 25 51628.50 73513 350656 2797616 5585 23 25 59 32 MAR 26 51629.50 73315 349206 2790312 4776 106 101 189 95 MAR 27 51630.50 73048 348595 2786159 3482 91 92 163 81 MAR 28 51631.50 72733 348028 2781500 4200 96 93 170 81 MAR 29 51632.50 73155 347432 2777404 3392 88 91 179 86 MAR 30 51633.50 74148 346054 2774414 4771 108 105 205 97 7 -j - EOP(GFZ) 96 P 02 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 1999/ 0 MJD x y UT1-UTC D x y UT1-UTC D JAN 31 51574.50 56902 375970 3286748 6771 8 9 12 12 FEB 1 51575.50 56900 375359 3280366 6094 8 8 11 11 FEB 2 51576.50 57339 374742 3274589 5524 8 9 12 12 FEB 3 51577.50 57970 374178 3269475 4948 8 9 13 13 FEB 4 51578.50 58564 373664 3264433 5311 8 9 13 13 FEB 5 51579.50 59538 373020 3258058 6611 11 12 20 20 FEB 6 51580.50 60497 372646 3250710 8164 9 10 15 15 FEB 7 51581.50 61615 372261 3241690 9928 8 9 12 12 FEB 8 51582.50 62728 372012 3231108 11564 9 9 12 12 FEB 9 51583.50 64068 371923 3219114 12716 9 9 13 13 FEB 10 51584.50 65339 371652 3206825 12115 9 9 13 13 FEB 11 51585.50 66118 371046 3195291 11163 9 10 14 14 FEB 12 51586.50 66242 370569 3185456 9278 12 13 20 20 FEB 13 51587.50 66021 370071 3176801 8034 10 11 16 16 FEB 14 51588.50 65901 369673 3169279 7076 9 10 13 13 FEB 15 51589.50 66206 369052 3162777 6415 9 10 13 13 FEB 16 51590.50 66945 368734 3156591 6278 9 9 12 12 FEB 17 51591.50 67748 368567 3149913 7182 9 10 13 13 FEB 18 51592.50 68322 368616 3142163 8154 9 10 12 12 FEB 19 51593.50 68701 368300 3132545 10036 11 12 18 18 FEB 20 51594.50 69269 368271 3121642 11980 9 10 14 14 FEB 21 51595.50 69066 367764 3109285 12769 9 9 13 13 FEB 22 51596.50 68865 367265 3096768 12445 8 9 12 12 FEB 23 51597.50 68603 366541 3084713 11710 8 9 12 12 FEB 24 51598.50 68131 365796 3073737 10025 8 9 12 12 FEB 25 51599.50 67585 364933 3064282 8883 8 9 12 12 FEB 26 51600.50 67231 363834 3056719 7368 12 13 19 19 FEB 27 51601.50 66739 363004 3050247 5872 9 10 15 15 FEB 28 51602.50 66495 362208 3044683 5370 9 10 15 15 FEB 29 51603.50 66390 361648 3039433 5253 8 10 13 13 MAR 1 51604.50 66379 361187 3034161 5500 8 10 13 13 MAR 2 51605.50 66820 360680 3028423 6083 8 10 13 13 MAR 3 51606.50 67473 360284 3021962 6948 9 10 14 14 MAR 4 51607.50 67949 360402 3011980 8797 12 13 21 21 MAR 5 51608.50 67958 360277 3002569 10139 10 11 15 15 MAR 6 51609.50 68301 359958 2991588 11953 8 10 13 13 MAR 7 51610.50 68865 359836 2978936 13204 9 10 14 14 MAR 8 51611.50 69015 359572 2965588 13518 8 10 14 14 MAR 9 51612.50 69614 359182 2952271 13372 8 10 13 13 MAR 10 51613.50 70937 358903 2939405 12372 9 10 15 15 MAR 11 51614.50 72422 358877 2924890 11140 13 14 23 23 MAR 12 51615.50 73556 358783 2914468 9761 10 11 20 20 MAR 13 51616.50 74108 358421 2905224 8469 9 10 17 17 MAR 14 51617.50 74445 357725 2896925 7861 9 10 16 16 MAR 15 51618.50 74746 356723 2888961 8053 9 10 16 16 MAR 16 51619.50 74733 355942 2880217 8944 9 10 15 15 MAR 17 51620.50 74296 355412 2871119 9270 9 10 16 16 MAR 18 51621.50 74167 354513 2852215 10632 12 13 21 21 MAR 19 51622.50 73889 353685 2841672 10342 9 10 16 16 MAR 20 51623.50 73833 352969 2830637 11031 8 9 13 13 MAR 21 51624.50 73963 352651 2819531 10985 8 9 13 13 MAR 22 51625.50 73970 352065 2808353 10697 8 8 13 13 MAR 23 51626.50 74012 351408 2798199 9557 8 8 12 12 MAR 24 51627.50 73987 350989 2789442 8067 8 8 13 13 MAR 25 51628.50 73678 350284 2782325 6538 8 9 15 15 MAR 26 51629.50 73385 349422 2792731 5157 12 14 17 17 MAR 27 51630.50 73014 348570 2787069 3912 13 15 17 17 MAR 28 51631.50 72882 348045 2783451 4168 13 14 18 18 MAR 29 51632.50 73026 347064 2779413 3993 13 15 17 17 MAR 30 51633.50 74202 346585 2774358 4853 14 15 18 18 7 -k - EOP(JPL) 96 P 03 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 1999/ 0 MJD x y UT1-UTC D x y UT1-UTC D JAN 31 51574.50 56955 375941 3106271 6861 38 44 138 138 FEB 1 51575.50 57080 375542 3099761 6225 37 43 138 138 FEB 2 51576.50 57316 374869 3093997 5378 39 44 141 141 FEB 3 51577.50 57911 374252 3088773 5151 40 46 135 135 FEB 4 51578.50 58644 373803 3083829 4812 37 44 144 144 FEB 5 51579.50 59468 373102 3078177 6552 35 39 130 130 FEB 6 51580.50 60527 372385 3071006 7822 39 46 144 144 FEB 7 51581.50 61537 372367 3062192 9797 47 59 165 165 FEB 8 51582.50 62643 372015 3051669 11198 43 49 155 155 FEB 9 51583.50 64121 372191 3039610 12837 43 49 143 143 FEB 10 51584.50 65221 371686 3026980 12321 35 39 132 132 FEB 11 51585.50 66037 371261 3015016 11508 39 44 144 144 FEB 12 51586.50 66126 370619 3004524 9400 38 44 135 135 FEB 13 51587.50 66069 370285 2995704 8204 37 43 136 136 FEB 14 51588.50 65956 369806 2988069 7094 43 48 152 152 FEB 15 51589.50 66152 369294 2981223 6687 36 42 139 139 FEB 16 51590.50 66989 368800 2974797 6297 34 39 133 133 FEB 17 51591.50 67608 368587 2967967 7486 37 43 169 169 FEB 18 51592.50 68008 368519 2960085 8344 34 39 132 132 FEB 19 51593.50 68602 368455 2950793 10228 42 47 147 147 FEB 20 51594.50 69252 368272 2939765 11753 41 49 161 161 FEB 21 51595.50 69065 367823 2927554 12550 42 49 152 152 FEB 22 51596.50 68879 367209 2915222 11997 36 41 146 146 FEB 23 51597.50 68604 366586 2903700 10964 35 41 132 132 FEB 24 51598.50 68086 365860 2893217 9956 41 46 149 149 FEB 25 51599.50 67644 365083 2883655 9155 41 46 156 156 FEB 26 51600.50 67254 364073 2875050 8076 43 51 162 162 FEB 27 51601.50 66796 363253 2867968 6140 39 45 157 157 FEB 28 51602.50 66497 362418 2861967 5929 39 45 158 158 FEB 29 51603.50 66400 361830 2856226 5631 45 51 188 188 MAR 1 51604.50 66398 361359 2850554 5798 38 45 155 155 MAR 2 51605.50 66827 360849 2844613 6165 37 45 158 158 MAR 3 51606.50 67583 360477 2837949 7234 38 44 162 162 MAR 4 51607.50 68013 360451 2829875 8960 39 46 163 163 MAR 5 51608.50 68028 360308 2820251 10304 43 48 146 146 MAR 6 51609.50 68264 359927 2808938 12280 43 49 146 146 MAR 7 51610.50 68812 359877 2795931 13643 47 54 159 159 MAR 8 51611.50 69021 359445 2782079 13943 41 45 148 148 MAR 9 51612.50 69671 359140 2768060 13973 38 46 143 143 MAR 10 51613.50 70822 358794 2754682 12694 41 46 141 141 MAR 11 51614.50 72546 358781 2742455 11723 48 56 192 192 MAR 12 51615.50 73562 358830 2731754 9695 44 50 171 171 MAR 13 51616.50 74276 358305 2722434 9027 38 44 162 162 MAR 14 51617.50 74721 357627 2714298 7364 41 46 169 169 MAR 15 51618.50 74740 356780 2706846 7668 36 40 162 162 MAR 16 51619.50 74740 355864 2698983 8150 37 42 168 168 MAR 17 51620.50 74263 355308 2690419 9008 36 43 154 154 MAR 18 51621.50 74147 354413 2681251 9284 38 44 225 225 MAR 19 51622.50 73804 353758 2671825 9456 39 47 151 151 MAR 20 51623.50 73702 352934 2661843 10384 39 47 155 155 MAR 21 51624.50 73812 352669 2651178 10835 35 39 156 156 MAR 22 51625.50 73874 352092 2640598 10253 35 41 142 142 MAR 23 51626.50 73971 351403 2630776 9359 36 42 143 143 MAR 24 51627.50 73890 351009 2622514 7170 40 46 155 155 MAR 25 51628.50 73609 350362 2615728 6438 38 43 141 141 MAR 26 51629.50 74810 348820 2768887 3525 60 70 190 190 MAR 27 51630.50 74400 348690 2765782 2766 50 60 160 160 MAR 28 51631.50 73020 348680 2762635 3616 50 60 150 150 MAR 29 51632.50 72350 348000 2758915 3909 50 60 160 160 MAR 30 51633.50 73270 346890 2754565 4868 50 60 170 170 7 -l - EOP(NOAA) 96 P 01 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 1999/ 0 MJD x y UT1-UTC D x y UT1-UTC D JAN 31 51574.50 56783 376140 3285806 7757 27 25 99 197 FEB 1 51575.50 56601 375425 3279410 7287 26 25 95 190 FEB 2 51576.50 57245 374764 3274187 5862 28 26 98 196 FEB 3 51577.50 57753 373822 3268236 6348 29 26 98 197 FEB 4 51578.50 58650 373460 3262272 6330 28 26 96 192 FEB 5 51579.50 59318 372900 3254519 8014 29 27 100 201 FEB 6 51580.50 60565 372242 3250269 8902 29 26 97 195 FEB 7 51581.50 61460 371931 3241283 10755 29 27 98 196 FEB 8 51582.50 62691 371400 3231510 11062 29 29 99 197 FEB 9 51583.50 64198 371566 3219438 13266 27 26 95 191 FEB 10 51584.50 65194 371246 3207698 12596 30 29 96 192 FEB 11 51585.50 66027 371234 3195392 11588 29 28 92 183 FEB 12 51586.50 65781 370951 3183690 8915 31 32 95 189 FEB 13 51587.50 66179 370226 3175699 8951 28 25 92 185 FEB 14 51588.50 65633 369956 3167922 8344 30 28 93 187 FEB 15 51589.50 66343 369169 3161267 8007 27 24 94 189 FEB 16 51590.50 67209 368619 3155407 7700 28 25 96 191 FEB 17 51591.50 67679 368362 3148563 8632 30 28 94 188 FEB 18 51592.50 68288 368601 3140137 9543 26 25 94 188 FEB 19 51593.50 69061 368014 3129672 10669 27 27 96 192 FEB 20 51594.50 69361 368228 3121196 12694 28 25 96 193 FEB 21 51595.50 69078 367547 3108690 14104 28 25 99 198 FEB 22 51596.50 69146 366945 3096840 12806 27 25 97 193 FEB 23 51597.50 68623 366378 3084977 12014 28 25 95 190 FEB 24 51598.50 68068 365588 3074344 10874 29 27 96 191 FEB 25 51599.50 67674 365028 3065117 9794 29 26 100 200 FEB 26 51600.50 66944 364067 3057836 7877 30 30 96 192 FEB 27 51601.50 66628 363127 3049700 6486 28 26 96 192 FEB 28 51602.50 66313 362463 3043732 6339 30 29 98 195 FEB 29 51603.50 66354 361665 3038813 6018 30 27 94 188 MAR 1 51604.50 66331 361068 3034096 6158 34 31 99 198 MAR 2 51605.50 66819 360554 3028559 7117 31 29 95 190 MAR 3 51606.50 67447 360297 3021952 8001 32 31 98 195 MAR 4 51607.50 68236 360092 3013990 8654 29 27 98 196 MAR 5 51608.50 67999 359973 3001963 10053 34 33 95 189 MAR 6 51609.50 68256 359591 2990699 11373 34 32 97 193 MAR 7 51610.50 69295 359430 2978015 12431 33 31 97 194 MAR 8 51611.50 69174 359275 2963845 14098 32 28 99 199 MAR 9 51612.50 69819 359073 2950249 13274 32 28 104 207 MAR 10 51613.50 71032 358833 2936386 13251 33 30 98 196 MAR 11 51614.50 72694 359011 2924246 11589 36 32 100 200 MAR 12 51615.50 73757 359270 2913368 10917 31 30 100 199 MAR 13 51616.50 74218 358330 2904342 8998 32 31 96 193 MAR 14 51617.50 74326 358019 2895379 9116 32 31 104 207 MAR 15 51618.50 74910 356942 2886777 9474 28 26 97 194 MAR 16 51619.50 75033 355919 2877711 9900 30 28 98 196 MAR 17 51620.50 74504 355170 2867473 10259 31 29 98 196 MAR 18 51621.50 74185 354447 2856040 9730 31 30 96 192 MAR 19 51622.50 73872 353522 2846387 9922 30 28 96 193 MAR 20 51623.50 74025 352753 2832235 10450 31 29 101 202 MAR 21 51624.50 74336 352442 2818057 10105 29 26 97 194 MAR 22 51625.50 73510 352117 2804075 10153 33 31 101 201 MAR 23 51626.50 73277 351773 2792224 8009 34 33 105 210 MAR 24 51627.50 74052 351475 2781101 7227 32 30 97 193 MAR 25 51628.50 73750 350665 2771694 6102 31 31 96 191 MAR 26 51629.50 73214 349473 2795160 4467 27 28 95 191 MAR 27 51630.50 73573 348898 2790856 3692 29 29 94 187 MAR 28 51631.50 72899 348027 2785775 4404 30 31 94 188 7 -m - EOP(SIO) 96 P 01 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 1999 MJD x y UT1-UTC D x y UT1-UTC D 7 -n - EOP(IGS) 95 P 02 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 1999/ 0 MJD x y UT1-UTC D x y UT1-UTC D JAN 31 51574.50 56960 375984 3286380 6813 53 30 158 134 FEB 1 51575.50 56940 375480 3279909 6234 62 33 186 41 FEB 2 51576.50 57322 374838 3274389 5464 38 26 199 60 FEB 3 51577.50 57907 374227 3269257 5119 57 27 187 57 FEB 4 51578.50 58614 373687 3264095 5228 41 34 218 145 FEB 5 51579.50 59414 373081 3257803 6794 73 26 218 118 FEB 6 51580.50 60521 372631 3250531 8197 30 47 273 129 FEB 7 51581.50 61609 372327 3241501 9958 40 23 262 85 FEB 8 51582.50 62778 372046 3231000 11404 52 16 266 104 FEB 9 51583.50 64124 371991 3219184 12658 45 43 374 69 FEB 10 51584.50 65354 371626 3207408 12091 47 30 352 38 FEB 11 51585.50 66172 371121 3195823 11203 47 43 339 64 FEB 12 51586.50 66241 370617 3185800 9234 43 25 305 34 FEB 13 51587.50 66099 370197 3176987 7952 51 56 304 58 FEB 14 51588.50 65925 369775 3169402 7080 58 48 319 52 FEB 15 51589.50 66191 369211 3162842 6437 64 46 264 97 FEB 16 51590.50 66950 368801 3156593 6355 40 32 251 75 FEB 17 51591.50 67684 368598 3149745 7274 70 45 363 95 FEB 18 51592.50 68255 368593 3142109 8252 73 26 362 75 FEB 19 51593.50 68748 368428 3132661 10145 44 48 364 78 FEB 20 51594.50 69277 368318 3121536 11908 17 54 342 79 FEB 21 51595.50 69135 367844 3109409 12626 36 73 340 50 FEB 22 51596.50 68922 367236 3097107 12257 21 56 325 78 FEB 23 51597.50 68615 366596 3085315 11244 39 37 165 154 FEB 24 51598.50 68194 365889 3074603 9860 57 55 133 52 FEB 25 51599.50 67640 365007 3065013 8817 48 53 134 81 FEB 26 51600.50 67202 364040 3056995 7451 53 48 155 104 FEB 27 51601.50 66756 363201 3050405 5909 90 61 189 71 FEB 28 51602.50 66549 362392 3044266 5541 91 48 128 90 FEB 29 51603.50 66449 361829 3038739 5455 85 58 127 66 MAR 1 51604.50 66480 361320 3033352 5609 84 62 131 42 MAR 2 51605.50 66866 360820 3027399 6191 80 62 171 57 MAR 3 51606.50 67520 360498 3020425 7321 86 65 168 129 MAR 4 51607.50 67935 360426 3012030 9078 73 66 165 130 MAR 5 51608.50 68033 360305 3002374 10359 57 53 241 78 MAR 6 51609.50 68377 359973 2990676 12260 79 99 186 96 MAR 7 51610.50 68907 359888 2977692 13506 64 58 184 77 MAR 8 51611.50 69152 359584 2963985 13836 72 74 102 72 MAR 9 51612.50 69800 359191 2950037 13706 69 58 145 74 MAR 10 51613.50 71012 358894 2936889 12634 60 56 152 67 MAR 11 51614.50 72554 358863 2924839 11346 34 67 169 109 MAR 12 51615.50 73674 358834 2914291 9790 53 45 227 51 MAR 13 51616.50 74303 358400 2904956 8737 97 63 158 132 MAR 14 51617.50 74628 357761 2896840 7800 113 65 177 208 MAR 15 51618.50 74819 356841 2888834 8076 59 56 137 133 MAR 16 51619.50 74834 355946 2880527 8710 48 58 154 167 MAR 17 51620.50 74389 355307 2871648 9362 73 65 122 98 MAR 18 51621.50 74160 354474 2862234 9788 77 81 179 186 7 -o - EOP(IGS) 96 P 02 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 1999/ 0 MJD x y UT1-UTC D x y UT1-UTC D JAN 31 51574.50 57057 375929 3287473 6817 86 126 653 79 FEB 1 51575.50 56840 375479 3281180 6134 106 88 405 76 FEB 2 51576.50 57470 374828 3275178 5186 98 74 332 354 FEB 3 51577.50 58032 374146 3269756 5194 148 144 343 232 FEB 4 51578.50 58636 373714 3264046 5357 57 127 343 229 FEB 5 51579.50 59473 373157 3257466 6792 73 92 399 120 FEB 6 51580.50 60649 372524 3250197 8042 84 144 425 103 FEB 7 51581.50 61692 372365 3241395 9469 99 84 466 198 FEB 8 51582.50 62881 371874 3231218 10990 102 68 342 109 FEB 9 51583.50 64285 371958 3219762 12234 98 82 313 87 FEB 10 51584.50 65341 371574 3207513 12053 62 78 335 127 FEB 11 51585.50 66163 371092 3195874 11496 38 42 365 323 FEB 12 51586.50 66321 370826 3185291 9521 102 97 425 251 FEB 13 51587.50 65970 370127 3176684 8023 80 83 456 111 FEB 14 51588.50 65960 369881 3168414 7097 81 57 429 76 FEB 15 51589.50 66123 369112 3162196 6438 82 103 430 62 FEB 16 51590.50 67154 368909 3156168 6420 154 61 427 75 FEB 17 51591.50 67649 368628 3149538 7323 116 106 337 78 FEB 18 51592.50 68229 368616 3141338 8340 118 60 336 65 FEB 19 51593.50 68681 368387 3131878 10248 117 48 405 106 FEB 20 51594.50 69205 368295 3120791 12017 142 64 519 153 FEB 21 51595.50 69062 367837 3108448 12777 136 89 494 139 FEB 22 51596.50 69056 367150 3096565 12458 31 81 428 120 FEB 23 51597.50 68641 366497 3084825 11438 34 77 273 86 FEB 24 51598.50 68262 365890 3073977 10048 34 115 307 79 FEB 25 51599.50 67740 365055 3064420 8824 40 55 356 88 FEB 26 51600.50 67223 363866 3056753 7306 86 101 263 99 FEB 27 51601.50 66874 363070 3050499 5856 40 65 221 114 FEB 28 51602.50 66489 362291 3045070 5412 44 108 247 42 FEB 29 51603.50 66508 361647 3039683 5236 34 87 194 117 MAR 1 51604.50 66506 361298 3033982 5537 32 92 165 109 MAR 2 51605.50 66765 360665 3028281 6216 108 69 234 240 MAR 3 51606.50 67481 360452 3021339 7391 61 43 225 75 MAR 4 51607.50 68085 360353 3012093 9025 44 66 231 171 MAR 5 51608.50 68046 360195 3002368 10424 65 72 250 89 MAR 6 51609.50 68408 360063 2990824 11976 63 132 257 83 MAR 7 51610.50 69025 359778 2977843 13402 77 156 368 105 MAR 8 51611.50 69171 359438 2963671 14498 66 124 615 641 MAR 9 51612.50 69758 359006 2950599 13800 53 127 297 135 MAR 10 51613.50 70974 358545 2937150 12788 153 120 281 138 MAR 11 51614.50 72422 358826 2924623 11358 114 84 298 187 MAR 12 51615.50 73597 358619 2913556 10071 122 155 316 231 MAR 13 51616.50 74396 358335 2904173 8792 69 69 305 60 MAR 14 51617.50 74753 357902 2895807 8117 69 97 300 128 MAR 15 51618.50 74891 356868 2888049 8235 69 172 256 109 MAR 16 51619.50 74805 355968 2879726 8824 118 118 285 161 MAR 17 51620.50 74483 355233 2870305 9786 39 90 280 198 MAR 18 51621.50 74314 354568 2859999 10555 58 77 274 243 MAR 19 51622.50 73812 353962 2849653 10471 67 97 313 187 MAR 20 51623.50 73689 352948 2839279 10579 102 67 307 137 MAR 21 51624.50 74070 352541 2829388 10197 84 184 335 117 MAR 22 51625.50 74094 352077 2820128 9949 85 109 332 190 MAR 23 51626.50 73917 351575 2811327 9015 76 66 362 166 MAR 24 51627.50 73862 350925 2803365 7679 101 108 311 211 MAR 25 51628.50 73753 350299 2796310 6039 77 116 304 179 MAR 26 51629.50 73320 349294 2791215 4769 150 76 306 154 MAR 27 51630.50 73051 348587 2786759 3643 127 90 315 114 MAR 28 51631.50 72858 348085 2782931 4002 36 107 345 125 MAR 29 51632.50 72770 347182 2779040 4075 98 149 281 86 MAR 30 51633.50 73835 346495 2774692 4971 137 95 321 62 7 -p - EOP(IERS) 97 P 01 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 1999/ 0 MJD x y UT1-UTC D x y UT1-UTC D JAN 31 51574.50 56924 375772 3286360 6841 38 38 140 116 FEB 1 51575.50 56966 375241 3279880 6123 52 77 130 79 FEB 2 51576.50 57329 374603 3274290 5454 47 60 150 106 FEB 3 51577.50 57877 374043 3269320 5073 30 100 290 107 FEB 4 51578.50 58604 373474 3264460 5205 30 115 280 266 FEB 5 51579.50 59495 372839 3258440 6584 55 62 160 79 FEB 6 51580.50 60491 372393 3250950 8206 59 120 150 139 FEB 7 51581.50 61634 372104 3241870 9827 30 72 140 61 FEB 8 51582.50 62859 371879 3231140 11407 84 81 210 131 FEB 9 51583.50 64134 371768 3219100 12523 40 106 250 168 FEB 10 51584.50 65354 371433 3207020 12290 75 53 260 191 FEB 11 51585.50 66060 370952 3195690 11263 96 84 330 170 FEB 12 51586.50 66219 370432 3185880 9513 76 108 310 279 FEB 13 51587.50 66065 369892 3177340 8114 41 36 160 126 FEB 14 51588.50 65951 369507 3169860 7087 36 94 240 92 FEB 15 51589.50 66256 368949 3163070 6620 117 99 330 220 FEB 16 51590.50 66981 368552 3156680 6593 40 34 310 248 FEB 17 51591.50 67689 368351 3149930 7324 77 78 360 193 FEB 18 51592.50 68285 368352 3142320 8453 65 43 400 307 FEB 19 51593.50 68747 368219 3132950 10248 79 90 330 263 FEB 20 51594.50 69258 368091 3121720 11920 129 43 270 204 FEB 21 51595.50 69110 367638 3109320 12727 49 95 220 184 FEB 22 51596.50 68898 367060 3096830 12467 101 69 290 115 FEB 23 51597.50 68601 366398 3085100 11389 46 65 290 265 FEB 24 51598.50 68167 365661 3074530 10026 46 52 140 129 FEB 25 51599.50 67657 364797 3065100 8826 54 75 140 44 FEB 26 51600.50 67217 363872 3057050 7434 58 87 250 135 FEB 27 51601.50 66760 363020 3050460 6110 39 52 310 211 FEB 28 51602.50 66512 362266 3044490 5658 31 86 240 223 FEB 29 51603.50 66407 361578 3038770 5625 41 82 180 91 MAR 1 51604.50 66440 361075 3033230 5697 49 65 230 158 MAR 2 51605.50 66835 360584 3027370 6233 31 69 250 164 MAR 3 51606.50 67486 360243 3020520 7446 62 96 260 183 MAR 4 51607.50 67921 360187 3012240 8998 90 100 380 182 MAR 5 51608.50 68014 360096 3002470 10547 30 88 460 333 MAR 6 51609.50 68374 359900 2990790 12350 46 152 380 317 MAR 7 51610.50 68812 359699 2977680 13526 156 112 300 203 MAR 8 51611.50 69072 359390 2963850 13882 47 74 290 226 MAR 9 51612.50 69710 359011 2949870 13647 70 35 200 187 MAR 10 51613.50 70931 358732 2936550 12669 78 30 90 56 MAR 11 51614.50 72385 358654 2924480 11231 131 58 110 65 MAR 12 51615.50 73558 358606 2913870 9784 92 45 210 86 MAR 13 51616.50 74208 358256 2904670 8575 86 49 360 192 MAR 14 51617.50 74574 357555 2896680 7720 132 76 360 301 MAR 15 51618.50 74748 356663 2888860 7934 35 81 300 198 MAR 16 51619.50 74708 355851 2880640 8722 34 46 260 229 MAR 17 51620.50 74389 355121 2872000 9324 92 57 270 116 MAR 18 51621.50 74135 354372 2863030 9646 31 53 280 248 MAR 19 51622.50 73830 353559 2853300 10183 98 88 340 134 MAR 20 51623.50 73813 352839 2842840 10608 102 42 390 308 MAR 21 51624.50 73920 352441 2831980 10659 93 70 380 232 MAR 22 51625.50 73952 351918 2821310 10210 97 64 540 303 MAR 23 51626.50 73905 351289 2811540 9136 137 90 540 444 MAR 24 51627.50 73891 350779 2803180 7620 101 109 460 310 MAR 25 51628.50 73579 350074 2796340 6106 126 97 400 342 MAR 26 51629.50 73349 349153 2790810 4839 160 160 280 204 MAR 27 51630.50 73021 348394 2786330 3858 164 136 330 192 MAR 28 51631.50 72858 347784 2781890 3918 97 117 320 269 MAR 29 51632.50 73046 346960 2779360 3870 159 69 400 172 MAR 30 51633.50 73944 346482 2774880 4960 207 134 500 185 7-q - Satellite Laser Ranging : LAGEOS -EOP(CGS) 97 L 02 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1999/ 0 MJD x y UT1-UTC x y UT1-UTC JAN 31 51574.00 5905 37512 329090 35 54 40 FEB 1 51575.00 5721 37498 328523 26 24 25 FEB 2 51576.00 5863 37569 327944 24 27 25 FEB 3 51577.00 5886 37303 327534 27 28 26 FEB 4 51578.00 5833 37485 326934 21 21 23 FEB 5 51579.00 5937 37448 326479 20 24 24 FEB 6 51580.00 5744 37307 325698 33 38 32 FEB 7 51581.00 5997 37281 324940 32 29 27 FEB 8 51582.00 6176 37250 323788 30 31 26 FEB 9 51583.00 6337 37290 322633 27 25 25 FEB 10 51584.00 6450 37246 321322 22 24 23 FEB 11 51585.00 6640 36941 320234 25 28 27 FEB 12 51586.00 6646 36996 319083 29 30 30 FEB 13 51587.00 6924 36959 318418 47 44 33 FEB 14 51588.00 6675 36768 317717 37 48 47 FEB 15 51589.00 6602 36770 316924 39 40 33 FEB 16 51590.00 6732 37007 316315 25 25 25 FEB 17 51591.00 6672 36854 315668 24 25 24 FEB 18 51592.00 6785 36777 314936 30 33 28 FEB 19 51593.00 6869 37086 314004 47 38 33 FEB 20 51594.00 6969 37070 312990 44 43 39 FEB 21 51595.00 6913 36877 311659 30 34 29 FEB 22 51596.00 6821 36780 310469 28 27 27 FEB 23 51597.00 6714 36780 309219 54 37 35 FEB 24 51598.00 6882 36762 308159 40 44 32 FEB 25 51599.00 6765 36671 306921 34 35 32 FEB 26 51600.00 6911 36302 305987 40 97 68 FEB 27 51601.00 7244 36492 305183 60 54 47 FEB 28 51602.00 6577 36315 304673 29 33 28 FEB 29 51603.00 6638 36184 303972 23 24 24 MAR 1 51604.00 6578 36140 303412 30 31 28 MAR 2 51605.00 6681 36080 302685 24 24 25 MAR 3 51606.00 6712 35966 301946 24 27 27 MAR 4 51607.00 7033 35946 301227 33 29 31 MAR 5 51608.00 7243 36085 300198 35 31 32 MAR 6 51609.00 7047 35805 299329 43 33 36 MAR 7 51610.00 6887 35918 298040 22 26 31 MAR 8 51611.00 6905 35850 296701 33 30 29 MAR 9 51612.00 6951 35824 295329 31 34 30 MAR 10 51613.00 6990 35890 294015 23 29 30 MAR 11 51614.00 6745 35637 292807 39 45 39 MAR 12 51615.00 6986 35832 291750 84 58 55 MAR 13 51616.00 7147 35799 290782 35 34 31 MAR 14 51617.00 7321 36056 289787 35 37 34 MAR 15 51618.00 7436 35768 289056 30 29 29 MAR 16 51619.00 7392 35651 288114 32 33 35 MAR 17 51620.00 7544 35435 287294 36 37 34 MAR 18 51621.00 7411 35344 286421 27 32 29 MAR 19 51622.00 7576 35449 285197 38 56 51 MAR 20 51623.00 7367 35265 284433 30 40 35 MAR 21 51624.00 7477 35758 282943 40 113 84 MAR 22 51625.00 7426 35150 282366 24 28 28 MAR 23 51626.00 7428 35293 281180 29 30 33 MAR 24 51627.00 7390 35173 280197 32 29 32 MAR 25 51628.00 7091 34824 279866 30 31 33 MAR 26 51629.00 7436 34961 279515 69 55 47 7-r - Satellite Laser Ranging : LAGEOS -EOP(CSR) 95 L 01 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1999/ 0 MJD x y UT1-UTC x y UT1-UTC FEB 1 51575.83 5589 37361 327846 24 23 20 FEB 4 51578.76 5782 37204 326312 21 24 18 FEB 8 51582.08 6016 37037 323475 25 24 20 FEB 10 51584.72 6398 36997 320650 23 26 23 FEB 14 51588.03 6411 36849 317298 40 37 32 FEB 16 51590.99 6557 36707 315484 22 24 19 FEB 19 51593.98 6787 36724 312948 34 35 23 FEB 22 51596.59 6766 36591 309844 35 36 26 FEB 25 51599.65 6598 36325 306677 32 39 28 FEB 28 51602.94 6526 36020 304278 26 29 21 MAR 2 51606.00 6626 35944 302433 27 25 22 MAR 5 51608.88 6663 35873 299862 26 25 23 MAR 9 51612.12 6773 35760 295675 29 29 25 MAR 12 51615.02 7081 35723 291928 35 31 32 MAR 15 51618.26 7310 35589 289049 33 29 25 MAR 17 51620.99 7251 35319 286739 40 36 43 MAR 21 51624.22 7235 35127 283522 30 51 34 MAR 23 51626.80 7322 34962 280975 29 29 26 MAR 26 51629.83 7173 34780 278898 46 35 98 7-s - Satellite Laser Ranging : LAGEOS -EOP(DUT) 98 L 01 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1999/ 0 MJD x y UT1-UTC x y UT1-UTC FEB 2 51576.00 5811 37562 0 8 8 0 FEB 5 51579.00 5959 37384 0 7 8 0 FEB 8 51582.00 6295 37328 0 9 8 0 FEB 11 51585.00 6576 37192 0 8 8 0 FEB 14 51588.00 6681 37060 0 13 12 0 FEB 17 51591.00 6783 36949 0 8 9 0 FEB 20 51594.00 6892 36913 0 12 12 0 FEB 23 51597.00 6876 36791 0 13 11 0 FEB 26 51600.00 6781 36539 0 12 12 0 FEB 29 51603.00 6698 36285 0 9 9 0 MAR 3 51606.00 6749 36096 0 9 8 0 MAR 6 51609.00 6958 36062 0 9 9 0 MAR 9 51612.00 7010 35947 0 9 10 0 MAR 12 51615.00 7359 35918 0 14 12 0 MAR 15 51618.00 7510 35802 0 11 10 0 MAR 18 51621.00 7525 35550 0 11 12 0 MAR 21 51624.00 7409 35341 0 9 12 0 MAR 24 51627.00 7454 35202 0 9 9 0 MAR 27 51630.00 7382 34990 0 11 10 0 MAR 30 51633.00 7451 34746 0 12 10 0 7-t - Satellite Laser Ranging : LAGEOS -EOP(IAA) 98 L 02 Units : 0.00001" for x,y, 0.000001s for UT1.and D. Date Uncertainties 1999/ 0 MJD x y UT1-UTC D x y UT1-UTC D JAN 31 51574.00 5681 37604 328998 735 6 5 3 3 FEB 1 51575.00 5705 37539 328319 641 8 7 4 4 FEB 2 51576.00 5770 37437 327721 573 10 9 4 5 FEB 3 51577.00 5816 37392 327185 516 8 7 4 4 FEB 4 51578.00 5881 37371 326679 513 8 7 4 4 FEB 5 51579.00 5939 37309 326128 605 6 5 4 3 FEB 6 51580.00 5958 37283 325451 762 7 7 3 3 FEB 7 51581.00 6056 37194 324628 894 10 9 4 4 FEB 8 51582.00 6189 37135 323674 1024 12 11 5 5 FEB 9 51583.00 6348 37169 322575 1162 7 5 4 3 FEB 10 51584.00 6460 37152 321377 1236 4 3 3 2 FEB 11 51585.00 6565 37104 320173 1168 4 4 2 2 FEB 12 51586.00 6643 37050 319076 1022 5 4 2 2 FEB 13 51587.00 6652 37006 318127 881 5 4 2 3 FEB 14 51588.00 6627 36969 317317 749 5 4 3 3 FEB 15 51589.00 6607 36932 316627 648 5 4 3 3 FEB 16 51590.00 6674 36880 316002 624 5 5 3 3 FEB 17 51591.00 6743 36865 315369 671 5 4 3 2 FEB 18 51592.00 6784 36825 314670 756 7 6 3 4 FEB 19 51593.00 6853 36833 313841 926 5 5 3 2 FEB 20 51594.00 6887 36818 312829 1111 5 4 3 3 FEB 21 51595.00 6889 36785 311659 1243 5 5 3 3 FEB 22 51596.00 6887 36736 310401 1281 6 5 3 3 FEB 23 51597.00 6879 36660 309156 1219 6 6 3 2 FEB 24 51598.00 6873 36576 308004 1109 6 6 3 3 FEB 25 51599.00 6821 36517 306982 971 6 5 3 4 FEB 26 51600.00 6756 36449 306091 826 5 5 4 4 FEB 27 51601.00 6719 36346 305338 702 7 7 3 3 FEB 28 51602.00 6700 36273 304690 617 5 5 3 3 FEB 29 51603.00 6649 36211 304111 567 5 5 4 4 MAR 1 51604.00 6625 36156 303566 547 6 5 4 3 MAR 2 51605.00 6651 36097 303005 600 5 4 2 2 MAR 3 51606.00 6697 36038 302362 710 8 6 3 4 MAR 4 51607.00 6750 36003 301609 819 5 5 3 3 MAR 5 51608.00 6782 36009 300716 986 5 4 3 2 MAR 6 51609.00 6837 36014 299633 1196 7 6 3 4 MAR 7 51610.00 6848 35973 298368 1345 10 8 5 6 MAR 8 51611.00 6905 35949 296978 1440 8 7 6 5 MAR 9 51612.00 6957 35903 295549 1418 9 9 5 5 MAR 10 51613.00 7038 35868 294183 1312 9 9 5 5 MAR 11 51614.00 7195 35835 292925 1202 9 9 5 5 MAR 12 51615.00 7327 35861 291798 1058 8 7 4 4 MAR 13 51616.00 7381 35845 290825 901 7 5 4 4 MAR 14 51617.00 7409 35802 289990 787 7 6 4 4 MAR 15 51618.00 7441 35749 289212 759 7 7 5 6 MAR 16 51619.00 7445 35647 288500 791 6 6 4 5 MAR 17 51620.00 7445 35549 287662 867 6 6 3 3 MAR 18 51621.00 7398 35462 286785 930 6 6 5 5 MAR 19 51622.00 7373 35371 285812 1008 7 7 5 5 MAR 20 51623.00 7392 35288 284789 1047 7 8 3 4 MAR 21 51624.00 7376 35253 283715 1087 5 6 3 3 MAR 22 51625.00 7389 35182 282634 1080 5 6 4 5 MAR 23 51626.00 7383 35144 281597 1002 5 5 5 5 MAR 24 51627.00 7380 35089 280678 850 5 4 4 4 MAR 25 51628.00 7364 35024 279916 693 6 5 4 4 MAR 26 51629.00 7327 34953 279309 545 6 6 4 5 MAR 27 51630.00 7309 34874 278834 433 6 5 5 5 MAR 28 51631.00 7297 34817 278440 382 9 7 5 5 MAR 29 51632.00 7284 34746 278055 415 6 4 4 3 MAR 30 51633.00 7314 34671 277619 484 6 4 3 3 7-u - Satellite Laser Ranging : LAGEOS -EOP(MCC) 97 L 01 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 1999/ 0 MJD x y D x y D JAN 31 51574.00 5683 37626 770 8 7 10 FEB 1 51575.00 5698 37594 660 5 5 10 FEB 2 51576.00 5703 37529 590 5 4 10 FEB 3 51577.00 5734 37475 550 4 4 0 FEB 4 51578.00 5798 37424 520 3 3 0 FEB 5 51579.00 5879 37368 610 4 4 10 FEB 6 51580.00 5973 37312 740 6 6 10 FEB 7 51581.00 6080 37259 880 6 5 10 FEB 8 51582.00 6188 37220 1050 6 5 10 FEB 9 51583.00 6321 37183 1170 5 4 0 FEB 10 51584.00 6469 37175 1190 5 4 10 FEB 11 51585.00 6576 37134 1130 4 4 10 FEB 12 51586.00 6615 37067 1000 5 5 10 FEB 13 51587.00 6610 37015 860 6 6 10 FEB 14 51588.00 6590 36978 760 7 5 0 FEB 15 51589.00 6567 36968 690 6 4 10 FEB 16 51590.00 6632 36918 670 5 4 0 FEB 17 51591.00 6710 36893 690 4 4 0 FEB 18 51592.00 6779 36879 810 4 5 0 FEB 19 51593.00 6839 36872 940 5 5 10 FEB 20 51594.00 6883 36847 1050 5 6 0 FEB 21 51595.00 6894 36812 1210 6 6 0 FEB 22 51596.00 6888 36763 1250 6 5 10 FEB 23 51597.00 6848 36666 1160 7 5 0 FEB 24 51598.00 6815 36586 1060 8 6 10 FEB 25 51599.00 6767 36517 940 6 5 0 FEB 26 51600.00 6716 36428 800 7 7 10 FEB 27 51601.00 6669 36347 710 6 6 10 FEB 28 51602.00 6634 36273 580 5 5 10 FEB 29 51603.00 6612 36197 580 5 5 10 MAR 1 51604.00 6622 36154 590 7 5 10 MAR 2 51605.00 6635 36113 650 5 5 10 MAR 3 51606.00 6670 36084 720 6 5 10 MAR 4 51607.00 6734 36056 840 7 5 10 MAR 5 51608.00 6786 36032 970 8 6 10 MAR 6 51609.00 6820 36006 1150 6 5 10 MAR 7 51610.00 6834 35997 1250 6 5 10 MAR 8 51611.00 6884 35952 1360 6 4 10 MAR 9 51612.00 6884 35922 1370 5 6 10 MAR 10 51613.00 6991 35879 1290 5 6 10 MAR 11 51614.00 7133 35853 1160 6 7 10 MAR 12 51615.00 7245 35839 1060 8 6 10 MAR 13 51616.00 7328 35820 920 7 6 10 MAR 14 51617.00 7406 35812 860 8 6 10 MAR 15 51618.00 7421 35748 820 5 5 10