BULLETIN B 147 05 May 2000 Contents described in the Explanatory Supplement is available at the following adress: http://hpiers.obspm.fr/iers/bul/bulb/explanatory.html 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. MAR 1 51604 .06640 .36147 .303527 -31.696473 -49.5 -4.6 MAR 6 51609 .06816 .36002 .298524 -31.701476 -48.7 -4.4 MAR 11 51614 .07169 .35868 .293274 -31.706726 -49.9 -5.0 MAR 16 51619 .07474 .35629 .288275 -31.711725 -48.8 -5.1 MAR 21 51624 .07380 .35262 .284392 -31.715608 -47.9 -5.5 MAR 26 51629 .07338 .34960 .280098 -31.719902 -48.6 -6.1 MAR 31 51634 .07446 .34606 .276066 -31.723934 -47.6 -5.5 APR 5 51639 .07706 .34695 .271489 -31.728511 -47.2 -5.6 Preliminary extension, to be updated weekly in Bulletin A and monthly in Bulletin B. APR 10 51644 .07816 .34431 .266922 -31.733078 -48.1 -6.3 APR 15 51649 .08209 .34389 .261743 -31.738257 -47.5 -6.1 APR 20 51654 .08231 .34309 .255884 -31.744116 -48.5 -6.5 APR 25 51659 .08408 .33966 .249924 -31.750076 -46.0 -7.2 APR 30 51664 .08837 .33794 .244718 -31.755282 -46.0 -6.2 MAY 5 51669 .09112 .33535 .239285 -31.760715 -47.0 -6.6 MAY 10 51674 .09282 .33155 .233845 -31.766155 -45.7 -7.1 MAY 15 51679 .09406 .32762 .228363 -31.771637 -46.1 -6.3 MAY 20 51684 .09494 .32365 .222961 -31.777039 -47.3 -6.8 MAY 25 51689 .09553 .31966 .217747 -31.782253 -45.7 -7.0 MAY 30 51694 .09587 .31566 .212791 -31.787209 -47.3 -6.4 JUN 4 51699 .09593 .31169 .208145 -31.791855 -48.7 -7.0 JUN 9 51704 .09572 .30775 .203842 -31.796158 -47.4 -6.4 JUN 14 51709 .09521 .30386 .199905 -31.800095 -50.0 -6.2 JUN 19 51714 .09440 .30005 .196335 -31.803665 -49.2 -6.7 JUN 24 51719 .09328 .29635 .193115 -31.806885 -49.2 -6.3 JUN 29 51724 .09181 .29277 .190224 -31.809776 -52.2 -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 147 (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" MAR 1 51604 .06640 .36147 .303608 .081 .537 -49.5 -4.6 MAR 2 51605 .06658 .36096 .303039 .496 .590 -49.2 -4.5 MAR 3 51606 .06714 .36033 .302404 .853 .679 -48.9 -4.5 MAR 4 51607 .06776 .36017 .301667 1.105 .813 -48.7 -4.4 MAR 5 51608 .06795 .36018 .300768 1.218 .983 -48.6 -4.4 MAR 6 51609 .06816 .36002 .299699 1.175 1.160 -48.7 -4.4 MAR 7 51610 .06860 .35977 .298457 .984 1.315 -48.9 -4.5 MAR 8 51611 .06882 .35972 .297087 .684 1.396 -49.2 -4.6 MAR 9 51612 .06928 .35930 .295689 .340 1.386 -49.5 -4.7 MAR 10 51613 .07027 .35881 .294339 .024 1.318 -49.7 -4.9 MAR 11 51614 .07169 .35868 .293072 -.202 1.214 -49.9 -5.0 MAR 12 51615 .07306 .35865 .291919 -.298 1.072 -49.9 -5.0 MAR 13 51616 .07394 .35848 .290922 -.260 .919 -49.8 -5.1 MAR 14 51617 .07437 .35796 .290064 -.120 .811 -49.5 -5.1 MAR 15 51618 .07462 .35720 .289277 .061 .777 -49.2 -5.1 MAR 16 51619 .07474 .35629 .288485 .210 .814 -48.8 -5.1 MAR 17 51620 .07457 .35547 .287631 .260 .887 -48.4 -5.0 MAR 18 51621 .07426 .35476 .286706 .173 .950 -48.1 -5.1 MAR 19 51622 .07398 .35395 .285740 -.045 .988 -47.9 -5.2 MAR 20 51623 .07373 .35311 .284751 -.350 1.024 -47.8 -5.3 MAR 21 51624 .07380 .35262 .283717 -.675 1.068 -47.9 -5.5 MAR 22 51625 .07401 .35213 .282637 -.949 1.071 -48.0 -5.6 MAR 23 51626 .07398 .35151 .281588 -1.116 .969 -48.1 -5.9 MAR 24 51627 .07390 .35103 .280706 -1.146 .811 -48.4 -6.0 MAR 25 51628 .07377 .35045 .279965 -1.029 .689 -48.5 -6.0 MAR 26 51629 .07338 .34960 .279321 -.777 .522 -48.6 -6.1 MAR 27 51630 .07310 .34865 .278908 -.422 .387 -48.5 -6.0 MAR 28 51631 .07286 .34795 .278531 -.005 .401 -48.5 -5.9 MAR 29 51632 .07271 .34719 .278089 .424 .427 -48.3 -5.8 MAR 30 51633 .07338 .34641 .277661 .811 .450 -47.9 -5.6 MAR 31 51634 .07446 .34606 .277174 1.108 .566 -47.6 -5.5 APR 1 51635 .07522 .34598 .276517 1.275 .756 -47.2 -5.4 APR 2 51636 .07568 .34612 .275656 1.283 .974 -47.0 -5.3 APR 3 51637 .07634 .34651 .274573 1.126 1.188 -46.9 -5.4 APR 4 51638 .07703 .34688 .273293 .828 1.332 -47.0 -5.5 APR 5 51639 .07706 .34695 .271932 .444 1.345 -47.2 -5.6 APR 6 51640 .07705 .34676 .270633 .055 1.261 -47.5 -5.8 APR 7 51641 .07731 .34632 .269435 -.257 1.151 -47.8 -6.0 APR 8 51642 .07758 .34574 .268345 -.432 1.013 -48.1 -6.2 APR 9 51643 .07782 .34513 .267407 -.451 .875 -48.2 -6.3 APR 10 51644 .07816 .34431 .266580 -.341 .802 -48.1 -6.3 APR 11 51645 .07907 .34362 .265780 -.160 .804 -48.1 -6.4 APR 12 51646 .08037 .34336 .264948 .018 .866 -47.9 -6.4 APR 13 51647 .08143 .34340 .264027 .123 .991 -47.6 -6.3 APR 14 51648 .08197 .34356 .262955 .111 1.158 -47.5 -6.2 APR 15 51649 .08209 .34389 .261714 -.029 1.313 -47.5 -6.1 APR 16 51650 .08210 .34412 .260343 -.273 1.437 -47.6 -6.1 APR 17 51651 .08227 .34418 .258860 -.565 1.469 -47.7 -6.1 APR 18 51652 .08242 .34410 .257428 -.841 1.419 -48.0 -6.1 APR 19 51653 .08227 .34368 .256040 -1.038 1.334 -48.3 -6.2 APR 20 51654 .08231 .34309 .254771 -1.113 1.192 -48.5 -6.5 APR 21 51655 .08254 .34252 .253659 -1.046 1.074 -48.5 -6.7 APR 22 51656 .08258 .34176 .252619 -.839 .977 -48.3 -7.0 APR 23 51657 .08273 .34101 .251695 -.514 .844 -47.8 -7.2 APR 24 51658 .08326 .34026 .250916 -.107 .711 -47.1 -7.3 APR 25 51659 .08408 .33966 .250257 .333 .639 -46.0 -7.2 APR 26 51660 .08498 .33935 .249621 .752 .629 -45.7 -7.1 APR 27 51661 .08581 .33897 .248983 1.101 .701 -45.5 -6.9 APR 28 51662 .08655 .33866 .248205 1.335 .872 -45.6 -6.7 APR 29 51663 .08742 .33841 .247231 1.424 1.069 -45.7 -6.5 APR 30 51664 .08837 .33794 .246065 1.347 1.249 -46.0 -6.2 IERS, B 147 (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" MAR 1 51604 .06626 .36154 .303598 -49.39 -4.49 .25 .28 .25 1.12 .54 MAR 6 51609 .06797 .35978 .299704 -49.23 -5.00 .10 .12 .08 .46 .22 MAR 11 51614 .07182 .35877 .293069 - - .19 .13 .16 - - MAR 16 51619 .07469 .35623 .288486 -48.93 -5.15 .08 .08 .06 .32 .17 MAR 21 51624 .07373 .35255 .283716 -48.19 -5.81 .20 .16 .13 .73 .39 MAR 26 51629 .07337 .34960 .279321 - - .29 .24 .17 - - MAR 31 51634 .07428 .34584 .277174 -48.14 -6.03 .17 .13 .15 .60 .31 APR 5 51639 .07697 .34696 .271933 -47.33 -5.70 .23 .24 .24 1.17 .56 APR 10 51644 .07824 .34436 .266580 -47.70 -5.89 .11 .11 .09 .55 .25 APR 15 51649 .08211 .34397 .261718 - - .14 .13 .10 - - APR 20 51654 .08246 .34321 .254770 -48.47 -6.41 .05 .09 .06 .42 .16 APR 25 51659 .08427 .33976 .250256 - - .19 .23 .26 - - APR 30 51664 .08835 .33769 .246066 - - .07 .08 .13 - - 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) MAR 1 51604 .00097 72.921 15065 MAR 6 51609 .00104 15059 MAR 11 51614 .00105 15058 MAR 16 51619 .00093 15068 MAR 21 51624 .00076 15082 MAR 26 51629 .00084 15076 MAR 31 51634 .00081 15078 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 147 (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 - - .19 - - - 38 51605.77 to 51661.62 - - .14 - - - EOP(IAA) 98 R 01 .10 .08 .04 - .19 .07 8 51604.25 to 51653.25 .13 .10 .06 - .48 .08 EOP(USNO) 99 R 01 .14 .11 .05 .18 .29 .10 8 51604.25 to 51653.25 .08 .16 .06 .31 .04 .02 EOP(USNO) 99 R 02 - - .21 - - - 38 51605.77 to 51661.62 - - .18 - - - GPS EOP(CODE) 98 P 01 .01 .01 - .01 - - 60 51604.50 to 51663.50 .11 .21 - .26 - - EOP(EMR) 96 P 03 .09 .09 - .17 - - 53 51604.50 to 51656.50 .27 .37 - .55 - - EOP(ESOC) 96 P 01 .03 .03 - .03 - - 58 51604.50 to 51661.50 .11 .13 - .20 - - EOP(GFZ) 96 P 02 .01 .01 - .01 - - 60 51604.50 to 51663.50 .06 .08 - .29 - - EOP(JPL) 96 P 03 .04 .05 - .15 - - 60 51604.50 to 51663.50 .12 .12 - .48 - - EOP(NOAA) 96 P 01 .03 .03 - .19 - - 59 51604.50 to 51662.50 .30 .28 - 1.21 - - EOP(SIO) 96 P 01 .09 .10 - .22 - - 60 51604.50 to 51663.50 .10 .34 - .39 - - EOP(IGS) 95 P 02 .06 .05 .17 .12 - - 46 51604.50 to 51649.50 .06 .05 .21 .17 - - EOP(IGS) 96 P 02 .09 .10 .28 .15 - - 60 51604.50 to 51663.50 .09 .13 1.01 .27 - - EOP(IERS) 97 P 01 .07 .07 .27 .18 - - 60 51604.50 to 51663.50 .03 .04 .38 .15 - - SLR EOP(CGS) 97 L 02 .35 .38 .36 - - - 26 51604.00 to 51629.00 1.48 1.08 3.13 - - - EOP(CSR) 95 L 01 .39 .36 .31 - - - 20 51606.00 to 51663.15 .45 .42 1.36 - - - EOP(DUT) 98 L 01 .11 .11 - - - - 19 51606.00 to 51660.00 .50 .44 - - - - EOP(IAA) 98 L 02 .07 .06 .04 .04 - - 60 51604.00 to 51664.00 .25 .14 .55 .19 - - EOP(MCC) 97 L 01 .06 .05 - .07 - - 57 51604.00 to 51660.00 .29 .35 - .36 - - Bulletin A EOP(NEOS) 97 C 01 .08 .07 .15 - - - 61 51604.00 to 51664.00 .07 .05 .16 - - - 7 - INDIVIDUAL SERIES OF EARTH ORIENTATION PARAMETERS The series listed hereafter,obtained by the IERS Operational Centres, have been used for the evaluations of Section 1. They are described in IERS Annual Report 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 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 293374 17 MAR 11 51614.75 292146 24 MAR 11 51614.91 292042 13 MAR 13 51616.74 290298 13 MAR 16 51619.74 287865 9 MAR 17 51620.73 286956 13 MAR 18 51621.73 286009 12 MAR 18 51621.89 285833 10 MAR 20 51623.72 284013 10 MAR 23 51626.72 280934 14 MAR 24 51627.71 280174 11 MAR 25 51628.71 279513 20 MAR 25 51628.87 279351 20 MAR 27 51630.70 278640 24 MAR 28 51631.70 278224 16 MAR 30 51633.69 277358 42 MAR 31 51634.69 276807 89 APR 3 51637.69 273704 23 APR 4 51638.68 272364 33 APR 6 51640.68 269809 14 APR 7 51641.67 268686 8 APR 10 51644.67 266054 15 APR 13 51647.66 263341 8 APR 14 51648.65 262159 23 APR 15 51649.65 260835 8 APR 15 51649.82 260597 11 APR 17 51651.65 257919 15 APR 18 51652.64 256542 12 APR 20 51654.64 254046 19 APR 24 51658.63 250493 29 APR 25 51659.62 249859 15 APR 27 51661.62 248519 18 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 MAR 1 51604.25 6633 36161 303470 -4932 -456 8 7 4 16 6 MAR 8 51611.25 6868 35975 296746 -4877 -447 8 7 4 15 7 MAR 15 51618.25 7454 35706 289088 -4961 -507 9 7 4 16 7 MAR 22 51625.25 7408 35197 282362 -4841 -566 8 7 4 15 6 MAR 29 51632.25 7291 34698 277980 -4779 -570 12 10 5 22 9 APR 5 51639.25 7695 34696 271595 -4737 -547 11 9 5 21 8 APR 12 51646.25 8074 34357 264728 -4746 -638 11 9 3 21 8 APR 19 51653.25 8197 34367 255709 -4735 -623 12 11 4 23 9 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 MAR 1 51604.25 6651 36152 303468 -4938 -463 11 9 5 25 9 MAR 8 51611.25 6880 35995 296740 -4920 -471 12 9 5 26 9 MAR 15 51618.25 7460 35718 289084 -4905 -510 12 10 6 25 10 MAR 22 51625.25 7395 35199 282376 -4799 -575 11 9 5 24 9 MAR 29 51632.25 7270 34705 277992 -4811 -582 12 10 5 24 9 APR 5 51639.25 7690 34701 271607 -4726 -570 16 12 6 31 12 APR 12 51646.25 8067 34331 264734 -4774 -639 16 12 5 32 12 APR 19 51653.25 8216 34338 255700 -4831 -632 18 15 7 41 12 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 MAR 2 51605.77 302545 17 MAR 3 51606.77 301855 21 MAR 4 51607.77 300970 19 MAR 4 51607.93 300919 34 MAR 6 51609.76 298754 17 MAR 9 51612.75 294624 29 MAR 10 51613.75 293376 23 MAR 11 51614.75 292140 25 MAR 11 51614.91 292023 18 MAR 13 51616.74 290246 14 MAR 16 51619.74 287855 15 MAR 17 51620.73 286960 19 MAR 18 51621.73 286005 18 MAR 18 51621.89 285824 19 MAR 20 51623.72 283993 14 MAR 23 51626.71 280937 17 MAR 24 51627.71 280160 15 MAR 25 51628.71 279516 18 MAR 25 51628.87 279356 25 MAR 27 51630.70 278656 25 MAR 28 51631.70 278209 20 MAR 30 51633.69 277317 41 MAR 31 51634.69 276741 17 APR 3 51637.68 273716 28 APR 4 51638.68 272366 34 APR 6 51640.68 269797 23 APR 7 51641.67 268668 15 APR 10 51644.67 266036 19 APR 13 51647.66 263338 15 APR 14 51648.65 262153 23 APR 15 51649.65 260841 15 APR 15 51649.82 260612 15 APR 17 51651.65 257899 20 APR 18 51652.64 256525 18 APR 20 51654.64 254058 26 APR 24 51658.63 250485 31 APR 25 51659.62 249853 19 APR 27 51661.62 248526 18 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 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 74062 346585 2711481 5641 14 14 28 16 MAR 31 51634.50 74897 346331 2705083 7096 14 14 29 17 APR 1 51635.50 75612 346392 2696821 9078 15 15 30 18 APR 2 51636.50 76258 346623 2686385 11251 14 14 30 18 APR 3 51637.50 76785 346974 2673941 13099 15 14 32 19 APR 4 51638.50 77094 347135 2660495 13780 14 14 31 19 APR 5 51639.50 77122 347095 2646730 13684 15 15 33 20 APR 6 51640.50 77197 346766 2633552 12702 14 14 33 20 APR 7 51641.50 77437 346289 2621812 11009 14 14 33 20 APR 8 51642.50 77726 345695 2611565 9476 14 14 32 19 APR 9 51643.50 78135 345011 2602507 8462 14 14 31 19 APR 10 51644.50 78818 344311 2594203 8036 14 14 31 19 APR 11 51645.50 79780 343812 2585653 8662 13 14 30 18 APR 12 51646.50 80887 343619 2576314 9777 13 13 30 18 APR 13 51647.50 81665 343734 2565652 11288 14 13 30 18 APR 14 51648.50 82064 343991 2553366 12917 14 14 30 18 APR 15 51649.50 82167 344281 2539591 14234 14 14 30 18 APR 16 51650.50 82219 344361 2524653 15102 15 14 30 18 APR 17 51651.50 82372 344335 2509554 14932 14 13 28 17 APR 18 51652.50 82372 344098 2494850 14248 14 13 28 16 APR 19 51653.50 82404 343621 2481178 13025 14 14 27 16 APR 20 51654.50 82421 342932 2468494 11961 14 14 27 15 APR 21 51655.50 82532 342245 2457178 10628 14 14 26 15 APR 22 51656.50 82752 341482 2447386 9235 14 14 25 14 APR 23 51657.50 83209 340742 2439062 7971 14 14 25 14 APR 24 51658.50 83822 340069 0 6911 0 0 0 0 APR 25 51659.50 84581 339600 0 6474 0 0 0 0 APR 26 51660.50 85408 339203 0 6829 0 0 0 0 APR 27 51661.50 86233 338948 2411972 7978 13 13 22 11 APR 28 51662.50 87001 338675 2403007 9733 13 13 22 11 APR 29 51663.50 87758 338131 2465916 11987 19 19 14 9 APR 30 51664.50 88622 337639 2453740 13372 20 18 14 10 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 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 73329 349471 2791150 4437 24 25 10 34 MAR 27 51630.50 72971 348727 2787222 3419 21 21 22 31 MAR 28 51631.50 72624 347915 2783610 3806 21 21 34 31 MAR 29 51632.50 72892 347129 2779728 3959 21 21 42 31 MAR 30 51633.50 73802 346587 2775199 5098 21 21 49 31 MAR 31 51634.50 75014 346311 2769553 6193 21 22 55 33 APR 1 51635.50 75811 346329 2762176 8561 24 24 62 38 APR 2 51636.50 76108 346690 2750600 10971 25 26 10 37 APR 3 51637.50 76820 347133 2738800 12628 21 22 23 32 APR 4 51638.50 77171 347365 2725971 13031 19 21 34 27 APR 5 51639.50 77109 347432 2712832 13246 19 21 40 28 APR 6 51640.50 77205 346910 2700244 11931 19 21 46 29 APR 7 51641.50 77627 346292 2688953 10652 19 20 51 28 APR 8 51642.50 77811 346034 2679195 8863 22 24 55 29 APR 9 51643.50 77891 344972 2670000 8024 23 24 10 32 APR 10 51644.50 78593 344069 2662092 7792 19 19 21 28 APR 11 51645.50 79711 343631 2654205 7982 18 19 31 26 APR 12 51646.50 80961 343638 2645567 9294 18 19 37 26 APR 13 51647.50 81878 343729 2635653 10534 18 19 43 25 APR 14 51648.50 82112 344114 2624351 12071 18 19 47 25 APR 15 51649.50 82295 344430 2611483 13664 21 22 52 29 APR 16 51650.50 82260 344447 2596100 14304 21 23 10 31 APR 17 51651.50 82517 344508 2581672 14551 19 19 20 26 APR 18 51652.50 82363 344381 2567543 13709 18 19 29 25 APR 19 51653.50 82272 344048 2554424 12528 18 19 35 25 APR 20 51654.50 82566 343346 2542528 11263 19 20 41 26 APR 21 51655.50 82614 342554 2531744 10306 19 20 46 27 APR 22 51656.50 82632 341831 2522117 8947 21 23 51 28 APR 23 51657.50 83035 340977 2512744 7512 92 89 165 75 APR 24 51658.50 83427 339897 2505144 7112 100 100 175 85 APR 25 51659.50 84363 339848 2499102 5795 91 83 168 75 APR 26 51660.50 85356 339288 2491085 6631 86 82 166 71 APR 27 51661.50 86077 338862 2483633 7534 84 85 165 71 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 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 73645 350270 2796781 6541 10 11 18 18 MAR 26 51629.50 73310 349196 2790773 5226 8 9 15 15 MAR 27 51630.50 73021 348392 2786498 3763 8 8 13 13 MAR 28 51631.50 72674 347787 2782499 4239 8 8 12 12 MAR 29 51632.50 72898 346937 2778326 4113 8 8 13 13 MAR 30 51633.50 73977 346292 2773769 5262 8 8 13 13 MAR 31 51634.50 74947 346178 2767737 6789 8 8 13 13 APR 1 51635.50 75345 346139 2760628 8899 10 11 18 18 APR 2 51636.50 75987 346469 2750606 11138 8 8 13 13 APR 3 51637.50 76871 346888 2738742 12639 7 8 10 10 APR 4 51638.50 77084 347127 2725764 13570 7 7 11 11 APR 5 51639.50 77031 347080 2712357 13386 7 8 11 11 APR 6 51640.50 77199 346797 2699595 12250 7 8 13 13 APR 7 51641.50 77453 346156 2688230 10614 7 8 11 11 APR 8 51642.50 77773 345627 2678243 9149 9 9 14 14 APR 9 51643.50 77849 344953 2669779 8137 7 8 12 12 APR 10 51644.50 78545 344087 2661771 7711 6 7 9 9 APR 11 51645.50 79724 343633 2654146 7985 6 7 9 9 APR 12 51646.50 80923 343600 2645607 9368 6 7 9 9 APR 13 51647.50 81838 343649 2635894 10594 7 7 10 10 APR 14 51648.50 82074 344007 2624701 12086 7 7 10 10 APR 15 51649.50 82082 344278 2610070 13585 9 9 16 16 APR 16 51650.50 82147 344500 2596092 14604 6 7 11 11 APR 17 51651.50 82378 344389 2581549 14742 6 6 9 9 APR 18 51652.50 82432 344241 2567253 14053 6 6 9 9 APR 19 51653.50 82260 343731 2553931 12892 6 6 9 9 APR 20 51654.50 82496 343031 2541915 11638 6 6 8 8 APR 21 51655.50 82579 342422 2531203 10400 6 6 8 8 APR 22 51656.50 82628 341611 2521235 9093 9 9 14 14 APR 23 51657.50 83094 340788 2513160 7597 7 7 11 11 APR 24 51658.50 83715 340125 2506379 6608 7 7 10 10 APR 25 51659.50 84577 339702 2500325 6188 6 7 9 9 APR 26 51660.50 85399 339371 2494123 6735 6 7 9 9 APR 27 51661.50 86230 339034 2487059 7804 7 7 11 11 APR 28 51662.50 86992 338807 2478637 9562 6 7 10 10 APR 29 51663.50 87867 338419 2468032 11905 7 8 13 13 APR 30 51664.50 89085 337794 2458355 13373 12 12 15 15 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 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 73218 349303 2610069 4941 42 48 149 149 MAR 27 51630.50 72962 348496 2605639 4000 42 49 215 215 MAR 28 51631.50 72542 347736 2601218 4930 39 44 146 146 MAR 29 51632.50 72911 347008 2596369 4853 42 48 172 172 MAR 30 51633.50 73905 346187 2591171 5619 44 53 158 158 MAR 31 51634.50 74874 346042 2585364 6055 42 46 152 152 APR 1 51635.50 75482 346134 2578291 8123 50 55 158 158 APR 2 51636.50 76118 346545 2568778 10902 46 51 151 151 APR 3 51637.50 76956 346928 2557048 12488 42 50 151 151 APR 4 51638.50 77162 347241 2543821 13848 49 56 160 160 APR 5 51639.50 77111 347048 2530237 13172 48 54 162 162 APR 6 51640.50 77137 346748 2517117 12943 53 59 181 181 APR 7 51641.50 77472 346121 2505078 11066 46 52 153 153 APR 8 51642.50 77772 345534 2494667 9763 41 46 144 144 APR 9 51643.50 78009 344816 2485559 8524 43 51 156 156 APR 10 51644.50 78561 343874 2477330 8052 35 40 134 134 APR 11 51645.50 79798 343512 2469270 8195 36 42 136 136 APR 12 51646.50 80939 343458 2460593 9260 34 39 135 135 APR 13 51647.50 81911 343659 2450735 10507 38 44 145 145 APR 14 51648.50 82092 343870 2439551 11846 43 49 157 157 APR 15 51649.50 82158 344109 2426828 13530 39 42 149 149 APR 16 51650.50 82271 344217 2412854 14304 37 44 154 154 APR 17 51651.50 82316 344109 2398405 14482 36 40 145 145 APR 18 51652.50 82408 344093 2384288 13662 37 45 161 161 APR 19 51653.50 82246 343577 2370940 12981 34 41 146 146 APR 20 51654.50 82536 342864 2358476 11932 37 43 159 159 APR 21 51655.50 82587 342190 2347095 10849 35 42 152 152 APR 22 51656.50 82582 341377 2336980 9432 36 37 154 154 APR 23 51657.50 82950 341000 2499394 7591 50 50 140 140 APR 24 51658.50 83430 339950 2492421 6442 50 50 140 140 APR 25 51659.50 84530 339600 2486251 5985 40 50 140 140 APR 26 51660.50 85990 339390 2480101 6395 50 50 150 150 APR 27 51661.50 86680 338860 2473466 6938 40 50 150 150 APR 28 51662.50 87010 338400 2465264 9502 40 40 130 130 APR 29 51663.50 87920 338420 2454630 11791 40 50 130 130 APR 30 51664.50 89070 338140 2442054 13331 40 50 140 140 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 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 MAR 29 51632.50 73082 347167 2780742 4180 28 28 93 187 MAR 30 51633.50 74085 346369 2774243 5288 29 30 96 192 MAR 31 51634.50 75482 346214 2766386 6678 33 33 97 194 APR 1 51635.50 75565 346065 2756543 8975 33 33 97 195 APR 2 51636.50 76119 346279 2750593 10732 31 30 96 191 APR 3 51637.50 77011 346470 2739443 11601 30 31 97 194 APR 4 51638.50 77347 346720 2726970 11762 34 35 102 203 APR 5 51639.50 77216 347048 2713910 11574 27 31 93 185 APR 6 51640.50 77362 346550 2700786 12142 35 40 96 191 APR 7 51641.50 77587 345804 2690709 8916 29 30 96 191 APR 8 51642.50 77590 345813 2680735 8765 29 31 93 187 APR 9 51643.50 77763 345181 2669725 7589 32 37 96 193 APR 10 51644.50 78388 344278 2661556 7632 29 31 96 191 APR 11 51645.50 79663 343893 2653554 8897 27 27 93 187 APR 12 51646.50 80968 343616 2645653 10396 29 30 91 183 APR 13 51647.50 82104 343607 2637851 10865 30 32 93 187 APR 14 51648.50 82369 343987 2628752 11862 29 30 92 185 APR 15 51649.50 82306 343990 2617781 13868 29 31 92 183 APR 16 51650.50 82414 344238 2597036 13422 29 31 97 195 APR 17 51651.50 82718 344105 2582208 13914 28 29 95 189 APR 18 51652.50 82616 343770 2568339 12567 29 30 94 188 APR 19 51653.50 82340 343602 2554973 12154 27 29 95 189 APR 20 51654.50 82565 343127 2543596 11235 26 29 94 188 APR 21 51655.50 82623 342374 2534435 10064 26 27 94 189 APR 22 51656.50 82582 341681 2527240 9113 28 29 96 193 APR 23 51657.50 82930 340733 2512640 7716 25 26 91 183 APR 24 51658.50 83904 340047 2504735 8202 27 28 96 192 APR 25 51659.50 84446 339670 2498208 7088 25 26 93 186 APR 26 51660.50 85323 339471 2490905 7501 24 24 93 187 APR 27 51661.50 86182 338864 2482639 8335 24 26 95 190 APR 28 51662.50 87189 338617 2473105 9789 27 26 95 190 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 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 MAR 19 51622.50 73803 353740 2852330 10020 30 28 208 160 MAR 20 51623.50 73767 352963 2841912 10550 44 72 144 151 MAR 21 51624.50 73918 352633 2831410 10721 50 34 156 142 MAR 22 51625.50 73939 352113 2821149 10307 33 33 150 143 MAR 23 51626.50 73957 351478 2811576 9333 70 51 185 167 MAR 24 51627.50 73941 351000 2803366 7624 34 36 172 179 MAR 25 51628.50 73626 350325 2796501 6124 63 50 179 160 MAR 26 51629.50 73218 349328 2791134 4753 51 48 276 119 MAR 27 51630.50 73020 348472 2786965 3714 26 64 265 96 MAR 28 51631.50 72651 347805 2782751 4268 32 30 307 163 MAR 29 51632.50 72920 347004 2778923 4271 29 25 238 120 MAR 30 51633.50 73918 346307 2774145 5348 24 43 231 100 MAR 31 51634.50 74926 346139 2768241 6689 32 45 228 184 APR 1 51635.50 75515 346192 2760386 8754 55 36 246 135 APR 2 51636.50 76003 346573 2750395 11202 46 53 241 123 APR 3 51637.50 76891 346953 2738863 12679 31 36 190 105 APR 4 51638.50 77158 347193 2726082 13411 42 36 175 92 APR 5 51639.50 77088 347147 2712888 13247 32 41 163 79 APR 6 51640.50 77164 346802 2700241 12204 18 24 153 130 APR 7 51641.50 77488 346191 2688826 10608 31 33 142 127 APR 8 51642.50 77748 345672 2678761 9140 19 70 140 91 APR 9 51643.50 77896 344965 2669912 8160 56 49 134 72 APR 10 51644.50 78567 344029 2661807 7815 64 68 85 90 APR 11 51645.50 79691 343594 2653783 8129 99 43 84 123 APR 12 51646.50 80887 343577 2644909 9394 80 37 96 139 APR 13 51647.50 81792 343684 2634965 10656 68 23 81 76 APR 14 51648.50 82045 343974 2623413 12153 67 41 79 85 APR 15 51649.50 82058 344210 2610180 13834 87 73 100 79 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 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 MAR 31 51634.50 75001 346064 2768844 6741 179 102 305 180 APR 1 51635.50 75653 346121 2761098 8830 49 55 301 213 APR 2 51636.50 76130 346396 2750908 10746 82 92 327 157 APR 3 51637.50 77021 346692 2739397 12525 97 83 314 140 APR 4 51638.50 77185 347092 2726485 13138 37 110 299 212 APR 5 51639.50 77182 347138 2713001 13078 61 78 355 166 APR 6 51640.50 77151 346675 2700411 12146 106 90 383 174 APR 7 51641.50 77571 346029 2689075 10510 71 91 313 191 APR 8 51642.50 77905 345798 2679164 9194 71 64 324 72 APR 9 51643.50 78034 345019 2670533 8121 121 66 314 125 APR 10 51644.50 78471 344160 2662617 7373 99 51 294 140 APR 11 51645.50 79695 343521 2654858 7908 110 100 250 57 APR 12 51646.50 80886 343461 2646290 9367 71 171 205 124 APR 13 51647.50 81943 343592 2636089 10476 62 35 193 70 APR 14 51648.50 82238 343877 2624699 12100 95 70 187 64 APR 15 51649.50 82171 344215 2611718 13655 56 84 166 97 APR 16 51650.50 82222 344401 2597165 14565 82 101 155 84 APR 17 51651.50 82413 344261 2582251 14595 109 120 178 134 APR 18 51652.50 82451 344287 2567738 14073 80 131 185 69 APR 19 51653.50 82256 343730 2553904 12855 55 107 155 78 APR 20 51654.50 82570 343163 2541280 11621 95 103 167 54 APR 21 51655.50 82578 342480 2530132 10527 83 194 170 162 APR 22 51656.50 82601 341631 2520252 9334 90 101 184 66 APR 23 51657.50 83057 340722 2511797 7985 101 99 179 189 APR 24 51658.50 83623 340039 2504584 7022 157 78 261 258 APR 25 51659.50 84616 339708 2498005 6365 67 81 319 227 APR 26 51660.50 85573 339273 2491395 6938 87 44 350 121 APR 27 51661.50 86337 339041 2484331 7826 81 82 370 176 APR 28 51662.50 87008 338758 2476539 9421 88 100 306 79 APR 29 51663.50 87937 338350 2465959 11738 102 105 312 86 APR 30 51664.50 88874 337717 2454171 13408 93 72 292 33 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 MAR 1 51604.50 66441 361080 3033210 5697 49 65 230 157 MAR 2 51605.50 66837 360588 3027340 6233 31 69 250 163 MAR 3 51606.50 67487 360247 3020490 7444 62 95 260 183 MAR 4 51607.50 67923 360192 3012230 8996 90 100 380 181 MAR 5 51608.50 68016 360101 3002480 10546 30 88 460 332 MAR 6 51609.50 68376 359906 2990810 12351 46 152 370 316 MAR 7 51610.50 68814 359705 2977720 13527 156 113 300 201 MAR 8 51611.50 69074 359395 2963930 13881 47 74 290 225 MAR 9 51612.50 69712 359017 2949970 13650 70 35 190 186 MAR 10 51613.50 70934 358738 2936640 12678 78 30 90 56 MAR 11 51614.50 72387 358658 2924590 11241 131 58 110 65 MAR 12 51615.50 73560 358609 2913980 9788 92 45 210 88 MAR 13 51616.50 74210 358260 2904760 8576 86 49 360 191 MAR 14 51617.50 74577 357559 2896740 7721 132 76 360 302 MAR 15 51618.50 74751 356666 2888890 7936 35 81 300 199 MAR 16 51619.50 74711 355854 2880610 8724 34 46 260 229 MAR 17 51620.50 74391 355125 2871890 9324 90 56 270 116 MAR 18 51621.50 74141 354369 2862810 9650 30 53 280 249 MAR 19 51622.50 73850 353523 2853020 10151 65 46 150 130 MAR 20 51623.50 73790 352827 2842620 10434 95 40 240 81 MAR 21 51624.50 73889 352423 2831680 10664 68 73 340 221 MAR 22 51625.50 73957 351896 2820890 10267 79 30 320 260 MAR 23 51626.50 73917 351291 2811030 9226 147 76 360 192 MAR 24 51627.50 73872 350761 2802780 7604 99 101 430 302 MAR 25 51628.50 73563 350069 2796100 6131 104 94 410 300 MAR 26 51629.50 73215 349111 2790940 4774 101 70 340 283 MAR 27 51630.50 72954 348278 2786940 3825 129 95 280 188 MAR 28 51631.50 72681 347610 2783110 3936 84 81 270 201 MAR 29 51632.50 72929 346822 2779250 4204 97 50 270 187 MAR 30 51633.50 73917 346206 2774580 5255 92 90 360 195 MAR 31 51634.50 74877 346037 2768810 6556 53 39 420 302 APR 1 51635.50 75470 345994 2761090 8624 77 34 300 287 APR 2 51636.50 76076 346322 2751030 10978 105 36 180 103 APR 3 51637.50 76814 346724 2739130 12660 100 49 240 146 APR 4 51638.50 77097 346965 2726090 13480 69 70 230 195 APR 5 51639.50 77087 346918 2712810 13302 54 76 300 120 APR 6 51640.50 77175 346577 2700080 12345 30 65 320 279 APR 7 51641.50 77441 346019 2688660 10737 41 40 290 165 APR 8 51642.50 77709 345452 2678720 9231 64 67 280 234 APR 9 51643.50 77948 344735 2669980 8194 95 71 210 151 APR 10 51644.50 78590 343892 2661970 7790 119 125 220 153 APR 11 51645.50 79706 343432 2653970 8168 78 71 210 164 APR 12 51646.50 80894 343358 2645150 9341 52 67 240 132 APR 13 51647.50 81777 343477 2635160 10707 106 31 350 200 APR 14 51648.50 82072 343723 2623680 12239 33 30 340 290 APR 15 51649.50 82089 344015 2610530 13735 51 75 260 177 APR 16 51650.50 82186 344152 2596230 14594 50 87 210 184 APR 17 51651.50 82358 344167 2581540 14645 41 72 180 104 APR 18 51652.50 82381 343983 2567240 13926 53 99 190 151 APR 19 51653.50 82267 343487 2553800 12843 30 91 180 111 APR 20 51654.50 82448 342842 2541420 11685 56 64 230 142 APR 21 51655.50 82538 342160 2530270 10469 39 79 190 180 APR 22 51656.50 82613 341339 2520650 9034 63 93 100 73 APR 23 51657.50 82951 340636 2512600 7646 136 154 340 71 APR 24 51658.50 83630 339894 2505750 6710 134 76 360 336 APR 25 51659.50 84544 339474 2499740 6146 32 85 210 132 APR 26 51660.50 85361 339157 2493480 6679 59 72 170 160 APR 27 51661.50 86180 338832 2486400 7737 45 96 80 67 APR 28 51662.50 86967 338597 2477470 9510 34 118 400 51 APR 29 51663.50 87907 338255 2466610 11734 32 155 500 91 APR 30 51664.50 88900 337793 2454140 13364 229 173 600 55 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 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 MAR 2 51606.00 6619 35942 302336 27 25 22 MAR 5 51608.88 6664 35871 299717 26 25 23 MAR 9 51612.12 6766 35763 295589 29 29 25 MAR 12 51615.02 7083 35723 291779 35 31 32 MAR 15 51618.26 7309 35583 289001 33 29 25 MAR 17 51620.99 7247 35304 286742 39 36 42 MAR 21 51624.22 7226 35134 283615 30 51 33 MAR 23 51626.81 7330 34977 281068 28 29 25 MAR 26 51629.93 7090 34772 278919 38 33 26 MAR 30 51633.30 7221 34491 277563 37 31 26 APR 1 51635.71 7484 34449 275954 48 27 28 APR 5 51639.21 7618 34635 271830 44 31 30 APR 7 51641.46 7572 34548 268972 34 27 27 APR 10 51644.86 7764 34188 265792 42 30 27 APR 13 51647.82 8054 34154 263127 79 37 39 APR 17 51651.03 8097 34282 258906 41 41 33 APR 19 51653.84 8122 34175 255128 37 57 35 APR 23 51657.14 8193 33909 251642 38 59 29 APR 25 51659.66 8291 33749 249931 42 55 37 APR 29 51663.15 8605 33645 247212 52 40 58 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 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 APR 2 51636.00 7615 34696 0 11 9 0 APR 5 51639.00 7732 34800 0 12 10 0 APR 8 51642.00 7805 34689 0 11 9 0 APR 11 51645.00 7954 34481 0 11 10 0 APR 14 51648.00 8352 34512 0 16 11 0 APR 17 51651.00 8289 34524 0 12 12 0 APR 20 51654.00 8443 34418 0 13 17 0 APR 23 51657.00 8389 34175 0 11 13 0 APR 26 51660.00 8574 34028 0 11 13 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 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 6953 35907 295625 1413 9 9 5 5 MAR 10 51613.00 7038 35866 294267 1313 9 9 5 5 MAR 11 51614.00 7198 35830 293015 1204 9 9 5 5 MAR 12 51615.00 7333 35863 291894 1056 8 7 4 4 MAR 13 51616.00 7391 35840 290923 908 7 6 4 4 MAR 14 51617.00 7420 35789 290079 806 7 7 4 4 MAR 15 51618.00 7436 35734 289304 774 5 5 3 3 MAR 16 51619.00 7456 35635 288529 800 5 4 3 3 MAR 17 51620.00 7453 35545 287702 868 6 6 3 4 MAR 18 51621.00 7411 35464 286798 950 5 5 3 3 MAR 19 51622.00 7374 35381 285817 1014 6 6 3 3 MAR 20 51623.00 7357 35296 284783 1051 5 7 3 3 MAR 21 51624.00 7376 35255 283713 1088 5 6 3 3 MAR 22 51625.00 7412 35210 282629 1079 5 7 4 4 MAR 23 51626.00 7401 35139 281592 992 6 6 4 4 MAR 24 51627.00 7397 35099 280673 841 6 5 4 4 MAR 25 51628.00 7386 35040 279908 694 8 6 4 4 MAR 26 51629.00 7356 34954 279297 537 6 4 3 3 MAR 27 51630.00 7323 34865 278831 414 7 5 3 3 MAR 28 51631.00 7304 34788 278449 368 6 5 3 3 MAR 29 51632.00 7306 34713 278081 387 7 6 3 3 MAR 30 51633.00 7354 34632 277670 453 7 4 3 3 MAR 31 51634.00 7406 34587 277160 584 5 3 3 2 APR 1 51635.00 7481 34567 276487 774 6 5 3 3 APR 2 51636.00 7543 34581 275613 986 7 5 3 3 APR 3 51637.00 7607 34633 274538 1171 7 5 3 3 APR 4 51638.00 7655 34675 273301 1302 6 4 3 3 APR 5 51639.00 7687 34695 271975 1345 6 5 3 3 APR 6 51640.00 7701 34676 270658 1280 6 4 3 3 APR 7 51641.00 7733 34646 269442 1144 6 5 4 4 APR 8 51642.00 7754 34588 268371 995 7 5 4 4 APR 9 51643.00 7805 34516 267440 873 8 6 4 4 APR 10 51644.00 7812 34435 266622 776 7 5 4 4 APR 11 51645.00 7871 34381 265841 804 7 6 4 4 APR 12 51646.00 7996 34326 265011 869 9 7 4 5 APR 13 51647.00 8133 34303 264085 989 8 7 5 5 APR 14 51648.00 8190 34330 263007 1165 6 4 4 3 APR 15 51649.00 8217 34391 261745 1339 7 6 4 4 APR 16 51650.00 8218 34431 260346 1448 8 6 4 5 APR 17 51651.00 8231 34423 258865 1464 8 7 5 6 APR 18 51652.00 8265 34399 257424 1400 6 6 4 5 APR 19 51653.00 8297 34369 255998 1318 6 7 3 4 APR 20 51654.00 8329 34303 254784 1228 8 8 4 5 APR 22 51656.00 8302 34171 252547 987 6 8 5 4 APR 23 51657.00 8288 34104 251640 828 6 6 4 4 APR 24 51658.00 8335 34039 250873 707 6 6 5 5 APR 25 51659.00 8414 33989 250212 617 6 5 5 5 APR 26 51660.00 8510 33938 249584 636 7 6 5 4 APR 27 51661.00 8607 33911 248903 724 7 7 4 5 APR 28 51662.00 8684 33850 248117 845 6 6 4 4 APR 29 51663.00 8749 33812 247175 1034 5 5 4 3 APR 30 51664.00 8825 33779 246035 1235 5 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 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 MAR 16 51619.00 7455 35670 850 5 6 10 MAR 17 51620.00 7412 35578 880 6 6 10 MAR 18 51621.00 7380 35496 960 7 7 10 MAR 19 51622.00 7357 35416 950 6 6 10 MAR 20 51623.00 7327 35347 1020 5 8 0 MAR 21 51624.00 7311 35256 1060 5 7 10 MAR 22 51625.00 7351 35220 1040 5 5 10 MAR 23 51626.00 7366 35148 1000 5 4 10 MAR 24 51627.00 7365 35095 810 5 4 10 MAR 25 51628.00 7360 35038 700 6 5 10 MAR 26 51629.00 7332 34974 550 6 5 0 MAR 27 51630.00 7298 34886 450 7 5 10 MAR 28 51631.00 7294 34801 390 5 6 10 MAR 29 51632.00 7315 34725 430 6 5 10 MAR 30 51633.00 7321 34645 460 4 3 0 MAR 31 51634.00 7451 34596 600 5 3 0 APR 1 51635.00 7527 34593 780 5 4 0 APR 2 51636.00 7570 34615 970 6 5 10 APR 3 51637.00 7639 34640 1150 7 4 10 APR 4 51638.00 7730 34660 1270 6 3 0 APR 5 51639.00 7700 34663 1300 6 6 10 APR 6 51640.00 7708 34688 1250 5 4 10 APR 7 51641.00 7714 34612 1100 5 4 10 APR 8 51642.00 7753 34563 990 5 4 10 APR 9 51643.00 7776 34504 900 7 5 0 APR 10 51644.00 7800 34429 870 6 6 10 APR 11 51645.00 7862 34361 840 7 6 10 APR 12 51646.00 7989 34354 870 7 5 10 APR 13 51647.00 8130 34335 1020 10 8 10 APR 14 51648.00 8223 34349 1130 9 7 10 APR 15 51649.00 8201 34385 1370 7 6 10 APR 16 51650.00 8202 34419 1380 9 6 10 APR 17 51651.00 8209 34440 1460 5 7 10 APR 18 51652.00 8254 34427 1440 5 6 0 APR 19 51653.00 8255 34375 1300 5 7 0 APR 20 51654.00 8252 34295 1220 5 7 0 APR 21 51655.00 8289 34217 1110 5 7 0 APR 22 51656.00 8285 34141 990 6 8 0 APR 23 51657.00 8305 34071 850 4 4 0 APR 24 51658.00 8346 34003 730 4 4 0 APR 25 51659.00 8387 33952 660 3 4 0 APR 26 51660.00 8507 33931 690 4 5 0