BULLETIN B 159 02 May 2001 Contents are described in the Explanatory Supplement available at http://hpiers.obspm.fr/eop-pc/ 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 2001 " " s s 0.001" 0.001" (0h UTC) Final Bulletin B values. MAR 1 51969 .01609 .48199 .055502 -31.944498 -51.6 -4.1 MAR 6 51974 .02450 .48516 .049475 -31.950525 -52.1 -4.8 MAR 11 51979 .03555 .48540 .044083 -31.955917 -51.3 -3.8 MAR 16 51984 .04865 .48661 .039042 -31.960958 -50.6 -4.8 MAR 21 51989 .06164 .48888 .034612 -31.965388 -50.1 -5.0 MAR 26 51994 .07638 .49086 .030662 -31.969338 -50.2 -4.6 MAR 31 51999 .08855 .49034 .026058 -31.973942 -49.8 -5.7 APR 5 52004 .09923 .48729 .021492 -31.978508 -49.6 -5.4 Preliminary extension, to be updated weekly in Bulletin A and monthly in Bulletin B. APR 10 52009 .11044 .48478 .016956 -31.983044 -50.4 -5.2 APR 15 52014 .12369 .48106 .013001 -31.986999 -49.0 -6.6 APR 20 52019 .13945 .47759 .008671 -31.991329 -49.3 -5.2 APR 25 52024 .15120 .47359 .004976 -31.995024 -50.5 -5.4 APR 30 52029 .16148 .46630 .000794 -31.999206 -48.7 -5.7 MAY 5 52034 .17127 .45918 -.003735 -32.003735 -47.8 -5.4 MAY 10 52039 .18097 .45259 -.007839 -32.007839 -49.5 -6.0 MAY 15 52044 .19025 .44548 -.011974 -32.011974 -47.5 -6.3 MAY 20 52049 .19895 .43770 -.015995 -32.015995 -48.8 -5.6 MAY 25 52054 .20705 .42925 -.019802 -32.019802 -50.0 -6.1 MAY 30 52059 .21450 .42018 -.023319 -32.023319 -48.2 -5.7 JUN 4 52064 .22122 .41051 -.026508 -32.026508 -51.0 -5.4 JUN 9 52069 .22717 .40030 -.029339 -32.029339 -50.2 -6.0 JUN 14 52074 .23231 .38959 -.031811 -32.031811 -50.2 -5.6 JUN 19 52079 .23659 .37845 -.033916 -32.033916 -52.8 -5.5 JUN 24 52084 .23997 .36693 -.035694 -32.035694 -52.0 -5.8 JUN 29 52089 .24242 .35510 -.037167 -32.037167 -53.0 -5.0 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 159 (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 1999 IERS Annual Report. 2001 MJD x y UT1-UTC UT1-UT1R D dPsi dEpsilon (0 h UTC) " " s ms ms 0.001" 0.001" MAR 1 51969 .01609 .48199 .055752 .250 1.404 -51.6 -4.1 MAR 2 51970 .01728 .48263 .054420 .195 1.244 -51.8 -4.4 MAR 3 51971 .01847 .48310 .053271 .253 1.088 -52.0 -4.7 MAR 4 51972 .02038 .48375 .052236 .417 .993 -52.2 -4.8 MAR 5 51973 .02262 .48455 .051264 .643 .940 -52.2 -4.9 MAR 6 51974 .02450 .48516 .050326 .851 .946 -52.1 -4.8 MAR 7 51975 .02638 .48533 .049341 .946 1.078 -52.0 -4.5 MAR 8 51976 .02866 .48544 .048151 .849 1.337 -51.8 -4.3 MAR 9 51977 .03105 .48538 .046669 .535 1.522 -51.6 -4.1 MAR 10 51978 .03335 .48530 .045131 .042 1.579 -51.4 -3.9 MAR 11 51979 .03555 .48540 .043550 -.533 1.615 -51.3 -3.8 MAR 12 51980 .03798 .48548 .041940 -1.072 1.572 -51.1 -3.8 MAR 13 51981 .04087 .48567 .040435 -1.473 1.370 -51.0 -3.9 MAR 14 51982 .04392 .48622 .039213 -1.674 1.063 -50.9 -4.2 MAR 15 51983 .04645 .48642 .038308 -1.661 .808 -50.7 -4.5 MAR 16 51984 .04865 .48661 .037584 -1.458 .654 -50.6 -4.8 MAR 17 51985 .05098 .48706 .036982 -1.112 .538 -50.4 -5.1 MAR 18 51986 .05354 .48740 .036489 -.681 .450 -50.3 -5.2 MAR 19 51987 .05631 .48777 .036063 -.225 .417 -50.2 -5.3 MAR 20 51988 .05906 .48839 .035637 .199 .447 -50.2 -5.1 MAR 21 51989 .06164 .48888 .035155 .544 .525 -50.1 -5.0 MAR 22 51990 .06442 .48913 .034577 .773 .648 -50.1 -4.8 MAR 23 51991 .06734 .48951 .033857 .870 .746 -50.1 -4.6 MAR 24 51992 .07024 .49003 .033090 .835 .837 -50.2 -4.5 MAR 25 51993 .07332 .49050 .032194 .689 .984 -50.2 -4.5 MAR 26 51994 .07638 .49086 .031138 .476 1.099 -50.2 -4.6 MAR 27 51995 .07923 .49106 .030016 .251 1.109 -50.3 -4.8 MAR 28 51996 .08173 .49108 .028939 .076 1.044 -50.2 -5.0 MAR 29 51997 .08407 .49105 .027942 -.002 .946 -50.1 -5.3 MAR 30 51998 .08636 .49083 .027052 .045 .831 -49.9 -5.6 MAR 31 51999 .08855 .49034 .026273 .214 .738 -49.8 -5.7 APR 1 52000 .09066 .48973 .025559 .467 .684 -49.7 -5.8 APR 2 52001 .09271 .48917 .024878 .734 .676 -49.6 -5.8 APR 3 52002 .09477 .48882 .024177 .927 .753 -49.5 -5.8 APR 4 52003 .09706 .48823 .023347 .963 .943 -49.6 -5.6 APR 5 52004 .09923 .48729 .022282 .790 1.171 -49.6 -5.4 APR 6 52005 .10160 .48671 .021016 .411 1.347 -49.8 -5.2 APR 7 52006 .10431 .48645 .019617 -.111 1.459 -50.0 -5.1 APR 8 52007 .10663 .48623 .018138 -.668 1.470 -50.2 -5.0 APR 9 52008 .10844 .48567 .016712 -1.148 1.332 -50.3 -5.1 APR 10 52009 .11044 .48478 .015497 -1.460 1.084 -50.4 -5.2 APR 11 52010 .11301 .48387 .014551 -1.560 .831 -50.3 -5.6 APR 12 52011 .11591 .48320 .013826 -1.451 .625 -50.0 -5.9 APR 13 52012 .11858 .48275 .013285 -1.171 .432 -49.7 -6.3 APR 14 52013 .12099 .48196 .012941 -.777 .298 -49.3 -6.5 APR 15 52014 .12369 .48106 .012668 -.333 .293 -49.0 -6.6 APR 16 52015 .12654 .48021 .012334 .100 .397 -48.7 -6.4 APR 17 52016 .12960 .47930 .011857 .468 .555 -48.7 -6.1 APR 18 52017 .13291 .47857 .011214 .730 .716 -48.8 -5.8 APR 19 52018 .13627 .47808 .010420 .861 .844 -49.0 -5.4 APR 20 52019 .13945 .47759 .009526 .856 .932 -49.3 -5.2 APR 21 52020 .14231 .47688 .008562 .727 1.000 -49.7 -5.0 APR 22 52021 .14498 .47606 .007541 .508 1.014 -50.1 -5.0 APR 23 52022 .14746 .47538 .006555 .250 .952 -50.5 -5.1 APR 24 52023 .14943 .47471 .005659 .018 .861 -50.4 -5.3 APR 25 52024 .15120 .47359 .004851 -.126 .801 -50.5 -5.4 APR 26 52025 .15331 .47229 .004067 -.138 .735 -50.4 -5.6 APR 27 52026 .15565 .47099 .003376 -.012 .693 -50.2 -5.8 APR 28 52027 .15779 .46943 .002793 .222 .569 -49.7 -5.8 APR 29 52028 .15963 .46785 .002213 .498 .619 -49.2 -5.8 APR 30 52029 .16148 .46630 .001526 .732 .762 -48.7 -5.7 IERS, B 159 (3) 3 - NORMAL VALUES OF THE EARTH ORIENTATION PARAMETERS AT FIVE-DAY INTERVALS (IERS evaluation). Raw normal values Uncertainties 2001 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 51969 .01620 .48207 .055755 -51.55 -4.18 .05 .05 .04 .14 .08 MAR 6 51974 .02447 .48519 .050325 -51.87 -4.87 .05 .05 .04 .15 .09 MAR 11 51979 .03555 .48541 .043545 - - .05 .05 .06 - - MAR 16 51984 .04866 .48659 .037582 -50.66 -4.87 .04 .04 .04 .12 .08 MAR 21 51989 .06166 .48890 .035151 -50.06 -5.00 .04 .04 .04 .21 .11 MAR 26 51994 .07640 .49088 .031135 -50.26 -4.52 .05 .04 .04 .12 .08 MAR 31 51999 .08854 .49035 .026271 - - .05 .05 .05 - - APR 5 52004 .09923 .48734 .022279 -49.57 -5.36 .05 .05 .03 .12 .08 APR 10 52009 .11043 .48480 .015495 -50.23 -5.10 .05 .05 .03 .12 .08 APR 15 52014 .12369 .48106 .012660 - - .05 .05 .09 - - APR 20 52019 .13947 .47759 .009521 - - .05 .05 .13 - - APR 25 52024 .15120 .47358 .004838 - - .06 .05 .08 - - APR 30 52029 .16149 .46633 - - - .05 .05 - - - 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 2001 MJD s (microrad/s) MAR 1 51969 .00130 72.921 15037 MAR 6 51974 .00112 15052 MAR 11 51979 .00104 15059 MAR 16 51984 .00094 15067 MAR 21 51989 .00082 15077 MAR 26 51994 .00088 15073 MAR 31 51999 .00096 15065 APR 5 52004 .00089 15071 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 159 (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(GSFC) 0 R 02 .10 .08 .04 .00 .18 - 7 51975.00 to 52017.00 .09 .08 .04 .00 .12 - EOP(GSFC) 0 R 01 - - .11 - - - 30 51970.80 to 52025.80 - - .06 - - - EOP(IAA) 98 R 01 .09 .08 .04 - .18 .07 6 51975.25 to 52010.25 .19 .10 .07 - .30 .07 EOP(IAA) 0 R 04 - - .08 - - - 23 51969.80 to 52010.80 - - .05 - - - EOP(SPBU) 0 R 03 .09 .07 .04 - .17 .07 6 51975.25 to 52010.25 .15 .05 .05 - .29 .12 EOP(SPBU) 99 R 01 - - .11 - - - 29 51969.80 to 52024.80 - - .16 - - - EOP(BKG) 0 R 02 .10 .08 .04 - .16 .06 6 51975.00 to 52010.00 .12 .16 .03 - .10 .05 EOP(BKG) 0 R 01 - - .11 - - - 32 51969.80 to 52025.80 - - .06 - - - EOP(IVS) 0 R 01 .08 .06 .03 - .08 .03 5 51975.00 to 52003.00 .11 .06 .04 - .14 .05 GPS EOP(CODE) 98 P 01 .01 .01 - .13 - - 60 51969.50 to 52028.50 .14 .08 - .54 - - EOP(EMR) 96 P 03 .05 .05 - .09 - - 52 51969.50 to 52020.50 .09 .12 - .43 - - EOP(ESOC) 96 P 01 .02 .02 - .03 - - 60 51969.50 to 52028.50 .13 .20 - .32 - - EOP(GFZ) 96 P 02 .01 .01 - .01 - - 60 51969.50 to 52028.50 .06 .07 - .28 - - EOP(JPL) 96 P 03 .04 .04 - .19 - - 52 51969.50 to 52020.50 .06 .07 - .31 - - EOP(NOAA) 96 P 01 .03 .03 - .18 - - 56 51969.50 to 52024.50 .22 .31 - .52 - - EOP(SIO) 96 P 01 .08 .08 - .21 - - 60 51969.50 to 52028.50 .08 .11 - .31 - - EOP(IGS) 95 P 02 .05 .05 .15 .07 - - 45 51969.50 to 52013.50 .05 .05 .27 .17 - - EOP(IGS) 96 P 02 .06 .07 .28 .12 - - 60 51969.50 to 52028.50 .11 .13 .76 .28 - - EOP(IERS) 97 P 01 .06 .06 .20 .13 - - 60 51969.50 to 52028.50 .04 .04 .30 .18 - - SLR EOP(CGS) 97 L 02 .26 .21 .24 - - - 19 51970.00 to 51988.00 .68 .57 .75 - - - EOP(CSR) 95 L 01 .40 .35 .34 - - - 21 51969.19 to 52028.93 .55 .57 1.25 - - - EOP(DUT) 98 L 01 .13 .11 - - - - 20 51969.00 to 52026.00 .51 .52 - - - - EOP(IAA) 98 L 02 .06 .05 .04 .04 - - 61 51969.00 to 52029.00 .20 .23 .51 .21 - - EOP(MCC) 97 L 01 .06 .06 - .06 - - 55 51969.00 to 52023.00 .15 .20 - .38 - - Bulletin A EOP(NEOS) 97 C 01 .10 .09 .14 - - - 61 51969.00 to 52029.00 .07 .07 .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(GSFC) 0 R 02 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 2001 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi MAR 7 51975.00 2640 48530 49358 -5225 -453 11 9 4 20 8 MAR 14 51982.00 4386 48634 39241 -5078 -417 10 7 4 16 6 MAR 21 51989.00 6151 48880 35180 -5009 -496 15 12 6 29 12 MAR 28 51996.00 8155 49103 28969 -5005 -499 11 8 5 18 7 APR 4 52003.00 9712 48821 23368 -4963 -559 9 7 4 15 6 APR 11 52010.00 11299 48390 14572 -5030 -557 8 7 3 14 6 APR 18 52017.00 13283 47865 11238 -4877 -573 10 8 4 16 6 7-b - Very Long Base Radio Interferometry - EOP(GSFC) 0 R 01 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 2001 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi MAR 2 51970.80 53504 12 MAR 5 51973.80 50529 8 MAR 7 51975.80 48428 7 MAR 8 51976.80 46989 13 MAR 9 51977.80 45457 11 MAR 12 51980.80 40732 25 MAR 14 51982.80 38481 11 MAR 15 51983.80 37716 13 MAR 16 51984.80 37109 11 MAR 19 51987.80 35739 6 MAR 21 51989.80 34723 14 MAR 22 51990.80 34025 8 MAR 23 51991.80 33265 11 MAR 26 51994.80 30254 11 MAR 29 51997.80 27226 7 MAR 30 51998.80 26435 6 APR 2 52001.80 24337 5 APR 4 52003.80 22525 11 APR 5 52004.80 21299 5 APR 6 52005.80 19918 3 APR 9 52008.80 15730 4 APR 11 52010.80 13971 4 APR 11 52010.87 13881 31 APR 12 52011.80 13387 17 APR 13 52012.80 13012 12 APR 16 52015.80 11976 6 APR 20 52019.80 8777 19 APR 23 52022.80 5845 11 APR 25 52024.80 4232 21 APR 26 52025.80 3503 15 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 2001 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi MAR 7 51975.25 2646 48546 49067 -5173 -456 10 9 4 21 8 MAR 14 51982.25 4459 48640 38963 -5045 -412 8 6 3 15 6 MAR 21 51989.25 6193 48906 35030 -4983 -486 11 10 4 23 9 MAR 28 51996.25 8227 49118 28688 -5032 -500 7 6 3 15 6 APR 4 52003.25 9742 48834 23110 -4947 -548 11 9 5 21 8 APR 11 52010.25 11376 48399 14347 -5029 -561 8 6 3 15 6 7-d - Very Long Base Radio Interferometry - EOP(IAA) 0 R 04 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 2001 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi MAR 1 51969.80 54679 16 MAR 2 51970.80 53480 9 MAR 5 51973.80 50509 9 MAR 7 51975.80 48405 8 MAR 8 51976.80 46964 12 MAR 9 51977.80 45435 8 MAR 12 51980.80 40710 17 MAR 14 51982.80 38468 6 MAR 15 51983.80 37711 12 MAR 16 51984.80 37090 6 MAR 19 51987.80 35723 5 MAR 21 51989.80 34695 12 MAR 22 51990.80 33990 8 MAR 23 51991.80 33246 8 MAR 26 51994.80 30237 9 MAR 29 51997.80 27228 6 MAR 30 51998.80 26418 5 APR 2 52001.80 24321 4 APR 4 52003.80 22506 8 APR 5 52004.80 21274 4 APR 6 52005.80 19896 4 APR 9 52008.80 15714 4 APR 11 52010.80 13956 4 7-e - Very Long Base Radio Interferometry - EOP(SPBU) 0 R 03 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 2001 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi MAR 7 51975.25 2652 48551 49073 -5160 -476 10 8 3 20 8 MAR 14 51982.25 4465 48637 38969 -5031 -420 8 6 3 14 5 MAR 21 51989.25 6205 48916 35033 -4997 -494 11 9 4 23 9 MAR 28 51996.25 8228 49121 28696 -5030 -511 7 6 3 13 5 APR 4 52003.25 9755 48819 23114 -4973 -559 8 7 4 14 6 APR 11 52010.25 11365 48388 14358 -4996 -547 8 6 3 15 6 7-f - 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 2001 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi MAR 1 51969.80 54710 22 MAR 2 51970.80 53506 13 MAR 5 51973.80 50542 10 MAR 7 51975.80 48422 13 MAR 8 51976.80 46951 22 MAR 9 51977.80 45465 21 MAR 12 51980.80 40692 19 MAR 14 51982.80 38479 16 MAR 15 51983.80 37741 13 MAR 16 51984.80 37092 11 MAR 19 51987.80 35736 7 MAR 21 51989.80 34707 13 MAR 22 51990.80 34004 7 MAR 23 51991.80 33282 7 MAR 26 51994.80 30260 8 MAR 29 51997.80 27241 6 MAR 30 51998.80 26428 5 APR 2 52001.80 24341 5 APR 4 52003.80 22526 15 APR 5 52004.80 21288 5 APR 6 52005.80 19910 5 APR 9 52008.80 15742 4 APR 11 52010.80 13969 4 APR 12 52011.80 13381 13 APR 13 52012.80 13017 7 APR 16 52015.80 11975 5 APR 20 52019.80 8788 20 APR 23 52022.80 5838 10 APR 25 52024.80 4281 23 7-g - Very Long Base Radio Interferometry - EOP(BKG) 0 R 02 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 2001 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi MAR 7 51975.00 2631 48538 49317 -5197 -457 9 7 3 16 7 MAR 14 51982.00 4414 48633 39186 -5090 -414 9 6 4 13 5 MAR 21 51989.00 6171 48896 35126 -5004 -496 14 11 6 26 10 MAR 28 51996.00 8195 49117 28911 -5018 -497 9 7 4 14 5 APR 4 52003.00 9712 48839 23324 -4952 -555 9 8 4 14 6 APR 11 52010.00 11302 48400 14531 -5017 -547 13 11 5 14 6 7-h - Very Long Base Radio Interferometry - EOP(BKG) 0 R 01 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 2001 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi MAR 1 51969.80 54642 12 MAR 2 51970.80 53464 11 MAR 5 51973.80 50484 7 MAR 7 51975.80 48386 9 MAR 8 51976.80 46949 13 MAR 9 51977.80 45418 11 MAR 12 51980.80 40691 13 MAR 14 51982.80 38440 13 MAR 15 51983.80 37704 10 MAR 16 51984.80 37062 8 MAR 19 51987.80 35698 5 MAR 21 51989.80 34683 11 MAR 22 51990.80 33976 8 MAR 23 51991.80 33224 9 MAR 26 51994.80 30209 7 MAR 29 51997.80 27184 10 MAR 30 51998.80 26396 4 APR 2 52001.80 24297 4 APR 4 52003.80 22483 13 APR 5 52004.80 21254 6 APR 6 52005.80 19878 3 APR 9 52008.80 15692 3 APR 11 52010.80 13929 4 APR 11 52010.87 13821 45 APR 12 52011.80 13344 18 APR 13 52012.80 12970 18 APR 16 52015.80 11935 9 APR 19 52018.80 9685 21 APR 20 52019.80 8733 13 APR 23 52022.80 5797 5 APR 25 52024.80 4189 25 APR 26 52025.80 3455 21 7-i - Very Long Base Radio Interferometry - EOP(IVS) 0 R 01 Units : 0.00001" for x,y , 0.000001s for UT1 ,0.00001" for dPsi,dEpsi. Date Uncertainties 2001 MJD x y UT1-UTC dPsi dEpsi x y UT1-UTCdPsi dEpsi MAR 7 51975.00 2619 48535 49334 -5191 -460 9 8 3 13 5 MAR 14 51982.00 4402 48629 39207 -5063 -416 8 6 3 11 4 MAR 21 51989.00 6149 48892 35152 -4996 -493 7 6 3 6 2 MAR 28 51996.00 8177 49110 28938 -5022 -501 6 5 3 6 2 APR 4 52003.00 9707 48836 23346 -4955 -555 9 8 4 6 2 7 -j - EOP(CODE) 98 P 01 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 2001 MJD x y UT1-UTC D x y UT1-UTC D MAR 1 51969.50 16604 482468 465665 13246 12 11 6 145 MAR 2 51970.50 17874 483036 453263 11823 11 11 6 136 MAR 3 51971.50 19363 483572 442052 10710 11 11 5 132 MAR 4 51972.50 21357 484315 432067 9757 11 11 5 135 MAR 5 51973.50 23401 484970 422813 9463 12 11 6 137 MAR 6 51974.50 25429 485391 413083 10417 12 11 5 132 MAR 7 51975.50 27465 485509 401814 12296 11 11 5 130 MAR 8 51976.50 29704 485482 388470 14424 11 11 5 131 MAR 9 51977.50 32021 485492 373236 16032 11 11 5 125 MAR 10 51978.50 34272 485463 356918 16586 11 11 5 128 MAR 11 51979.50 36669 485660 340462 16133 12 11 5 128 MAR 12 51980.50 39327 485811 325060 14605 11 11 5 130 MAR 13 51981.50 42194 486163 311745 12270 11 11 5 131 MAR 14 51982.50 45001 486356 300999 9684 11 11 5 123 MAR 15 51983.50 47486 486741 292758 7338 11 11 5 127 MAR 16 51984.50 49808 487075 286173 5939 11 11 5 124 MAR 17 51985.50 52256 487410 280807 5018 11 11 5 121 MAR 18 51986.50 54959 487762 276338 4419 11 10 5 121 MAR 19 51987.50 57658 488201 272092 4471 11 11 5 122 MAR 20 51988.50 60366 488703 267430 5112 11 11 5 125 MAR 21 51989.50 63084 489049 261972 6066 11 11 5 127 MAR 22 51990.50 65906 489398 255554 7095 11 11 5 127 MAR 23 51991.50 68844 489828 248073 8127 11 11 5 123 MAR 24 51992.50 71857 490337 239306 9274 11 11 5 128 MAR 25 51993.50 74858 490787 229028 10552 11 11 5 130 MAR 26 51994.50 77721 491075 217763 11247 11 11 5 128 MAR 27 51995.50 80343 491185 206474 10977 11 11 5 129 MAR 28 51996.50 82799 491202 195794 10141 11 11 5 134 MAR 29 51997.50 85160 491051 186049 9103 11 11 6 136 MAR 30 51998.50 87337 490716 177546 7917 11 11 6 144 MAR 31 51999.50 89541 490133 170181 7014 11 11 5 135 APR 1 52000.50 91668 489522 163507 6705 11 11 6 141 APR 2 52001.50 93801 489046 156768 7224 11 11 5 135 APR 3 52002.50 95853 488493 149093 8557 11 11 6 139 APR 4 52003.50 98057 487797 139451 10723 11 11 6 146 APR 5 52004.50 100434 487147 127589 12845 11 11 6 144 APR 6 52005.50 102973 486758 113715 14471 11 11 6 143 APR 7 52006.50 105410 486517 98702 15049 11 11 6 137 APR 8 52007.50 107639 486096 84110 14067 11 11 6 137 APR 9 52008.50 109572 485411 71258 11929 11 11 5 127 APR 10 52009.50 111834 484509 60629 9547 12 11 6 140 APR 11 52010.50 114465 483764 52310 7302 11 11 5 130 APR 12 52011.50 117152 483132 46156 5358 11 11 6 140 APR 13 52012.50 119753 482443 41916 3747 11 11 5 128 APR 14 52013.50 122324 481635 38706 3039 11 10 5 127 APR 15 52014.50 125143 480710 35392 3446 11 11 5 124 APR 16 52015.50 128147 479789 31129 4650 11 11 5 127 APR 17 52016.50 131304 479091 25483 6219 11 11 5 127 APR 18 52017.50 134546 478425 18323 7832 11 11 5 126 APR 19 52018.50 137721 477999 9910 9093 11 11 5 129 APR 20 52019.50 140701 477359 639 9859 11 11 5 125 APR 21 52020.50 143507 476695 -9254 10288 11 11 5 133 APR 22 52021.50 146034 475869 -19097 9957 12 11 5 132 APR 23 52022.50 148187 475192 -28433 9124 11 11 5 133 APR 24 52023.50 150145 474313 -37453 8511 12 12 5 127 APR 25 52024.50 152238 473177 -46049 7910 11 11 5 130 APR 26 52025.50 154535 471844 -53542 6812 11 11 5 129 APR 27 52026.50 156707 470401 -59795 5776 12 11 5 131 APR 28 52027.50 158703 468852 -65622 5713 12 11 5 134 APR 29 52028.50 159905 466708 19127 7732 21 22 4 22 APR 30 52029.50 162056 465061 11082 9154 16 17 11 50 7 -k - EOP(EMR) 96 P 03 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 2001 MJD x y UT1-UTC D x y UT1-UTC D MAR 1 51969.50 16777 482429 352169 12644 53 54 240 89 MAR 2 51970.50 17923 482762 340296 11340 51 52 238 83 MAR 3 51971.50 19375 483407 329776 10115 51 52 236 88 MAR 4 51972.50 21494 484094 320319 9165 48 49 234 87 MAR 5 51973.50 23750 485154 311646 8545 49 50 235 88 MAR 6 51974.50 25377 485305 302795 9411 47 48 236 79 MAR 7 51975.50 27580 485336 292268 11362 48 48 232 79 MAR 8 51976.50 29934 485555 279628 13721 49 50 231 86 MAR 9 51977.50 32262 485358 264822 15465 51 51 233 91 MAR 10 51978.50 34570 485552 249104 15823 53 52 232 83 MAR 11 51979.50 36630 485726 233515 15911 53 51 231 86 MAR 12 51980.50 39437 485752 218640 13747 52 52 231 89 MAR 13 51981.50 42453 485836 205845 11706 51 52 238 93 MAR 14 51982.50 45134 486290 195428 8764 50 51 235 88 MAR 15 51983.50 47581 486460 187745 6485 50 50 231 88 MAR 16 51984.50 49714 486855 181758 5205 49 49 227 86 MAR 17 51985.50 52230 487268 176869 4470 50 51 225 92 MAR 18 51986.50 54840 487743 172529 3577 50 51 223 87 MAR 19 51987.50 57684 488221 168978 3913 51 51 220 93 MAR 20 51988.50 60370 488757 164605 4541 53 53 219 94 MAR 21 51989.50 62980 489146 159723 5625 53 56 219 93 MAR 22 51990.50 65833 489412 153734 6551 52 52 221 93 MAR 23 51991.50 68564 489945 146957 7544 62 60 223 103 MAR 24 51992.50 71661 490335 138944 8623 52 52 219 84 MAR 25 51993.50 74924 490853 129523 9959 52 53 218 87 MAR 26 51994.50 77954 491128 119010 10755 52 53 227 96 MAR 27 51995.50 80641 491413 108285 10557 54 56 239 104 MAR 28 51996.50 82994 491262 98160 9761 52 53 231 87 MAR 29 51997.50 85381 491147 88970 8578 55 56 230 93 MAR 30 51998.50 87606 490790 80777 7578 56 59 229 99 MAR 31 51999.50 89599 490164 74072 6353 58 58 231 102 APR 1 52000.50 91701 489581 67682 6249 53 54 225 93 APR 2 52001.50 93761 489086 60994 6643 53 54 222 90 APR 3 52002.50 95834 488815 53643 7982 57 58 226 99 APR 4 52003.50 98016 487976 44603 10300 52 53 228 88 APR 5 52004.50 100272 486980 33386 12222 50 52 224 82 APR 6 52005.50 103110 486517 20163 13700 52 54 223 85 APR 7 52006.50 105597 486479 5875 14821 61 64 222 106 APR 8 52007.50 107549 486159 -8671 13614 56 59 222 94 APR 9 52008.50 109339 485507 -21278 11545 57 60 222 97 APR 10 52009.50 111639 484256 -31876 9114 55 57 221 93 APR 11 52010.50 114268 483652 -39943 6811 58 59 220 100 APR 12 52011.50 117398 483206 -46219 5050 55 56 221 94 APR 13 52012.50 119780 482460 -50489 3655 54 57 221 89 APR 14 52013.50 122290 481701 -53660 2639 51 53 220 85 APR 15 52014.50 125070 480894 -56652 3051 53 55 219 89 APR 16 52015.50 128038 479956 -60366 4165 51 53 218 85 APR 17 52016.50 131310 478927 -65532 6076 52 53 218 84 APR 18 52017.50 134641 478704 -72529 7540 57 57 218 93 APR 19 52018.50 137821 477931 -80796 8956 53 53 219 84 APR 20 52019.50 140913 477268 -90033 9310 54 54 219 84 APR 21 52020.50 143511 476529 -99874 9892 66 68 221 97 7 -l - EOP(ESOC) 96 P 01 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 2001 MJD x y UT1-UTC D x y UT1-UTC D MAR 1 51969.50 16722 482513 552692 12515 17 18 42 26 MAR 2 51970.50 17811 483074 541010 10848 17 18 47 25 MAR 3 51971.50 19305 483537 530500 10172 19 21 51 28 MAR 4 51972.50 21552 484304 517650 9132 20 22 10 29 MAR 5 51973.50 23481 485120 508853 8462 18 19 20 27 MAR 6 51974.50 25337 485541 499802 9641 19 19 29 25 MAR 7 51975.50 27502 485579 489210 11542 19 19 36 27 MAR 8 51976.50 29773 485598 476616 13646 18 19 42 26 MAR 9 51977.50 32221 485674 462071 15444 18 19 47 26 MAR 10 51978.50 34525 485565 446398 15902 20 21 51 28 MAR 11 51979.50 36709 485597 426750 15755 20 21 10 27 MAR 12 51980.50 39379 485816 412048 13649 17 18 19 26 MAR 13 51981.50 42327 485989 399299 11850 17 17 28 24 MAR 14 51982.50 45110 486374 388955 8838 17 17 34 24 MAR 15 51983.50 47536 486591 381284 6504 17 17 39 24 MAR 16 51984.50 49761 486883 375429 5207 17 17 43 23 MAR 17 51985.50 52121 487340 370578 4495 18 18 47 25 MAR 18 51986.50 54846 487800 362850 3746 17 18 10 24 MAR 19 51987.50 57651 488243 359053 3848 16 17 17 22 MAR 20 51988.50 60287 488875 354829 4599 16 17 25 23 MAR 21 51989.50 62930 489221 349784 5491 16 17 31 22 MAR 22 51990.50 65750 489474 343759 6559 15 17 35 22 MAR 23 51991.50 68671 489926 336690 7580 16 17 39 23 MAR 24 51992.50 71608 490387 328605 8590 18 19 43 25 MAR 25 51993.50 74849 490840 316400 10058 18 20 10 26 MAR 26 51994.50 77865 491021 305843 11055 17 18 19 25 MAR 27 51995.50 80612 491204 295035 10561 17 18 28 26 MAR 28 51996.50 83052 491288 284992 9525 17 18 34 25 MAR 29 51997.50 85312 491086 275895 8668 17 18 39 24 MAR 30 51998.50 87663 490578 267745 7632 17 19 44 26 MAR 31 51999.50 89620 490127 260650 6558 19 20 49 27 APR 1 52000.50 91584 489537 252350 6248 19 21 10 27 APR 2 52001.50 93667 488963 245895 6662 18 19 19 25 APR 3 52002.50 95782 488714 238581 7966 17 19 28 25 APR 4 52003.50 98016 487959 229466 10265 17 19 34 25 APR 5 52004.50 100413 486923 218133 12400 17 19 39 26 APR 6 52005.50 102867 486475 204952 13963 17 19 45 26 APR 7 52006.50 105502 486412 190460 15020 20 21 49 30 APR 8 52007.50 107610 486279 174150 13565 20 21 10 29 APR 9 52008.50 109394 485504 161670 11396 17 18 20 26 APR 10 52009.50 111647 484494 151428 9087 17 18 29 26 APR 11 52010.50 114465 483563 143477 6814 17 18 35 26 APR 12 52011.50 117306 483103 137580 4981 17 17 40 25 APR 13 52012.50 119715 482606 133491 3197 16 18 45 24 APR 14 52013.50 122169 481632 130656 2473 19 20 49 27 APR 15 52014.50 125209 480858 124750 3116 18 20 10 27 APR 16 52015.50 128280 479777 121166 4052 17 18 19 26 APR 17 52016.50 131283 478987 116165 5950 17 18 29 26 APR 18 52017.50 134727 478467 109407 7566 17 18 36 26 APR 19 52018.50 137934 477950 101230 8787 17 18 41 26 APR 20 52019.50 140892 477414 92142 9389 17 18 46 26 APR 21 52020.50 143702 476523 82433 10030 20 21 51 29 APR 22 52021.50 145593 475905 71685 9229 39 38 70 31 APR 23 52022.50 148389 475442 61260 8479 41 40 63 32 APR 24 52023.50 150287 474826 50403 7794 40 37 65 35 APR 25 52024.50 152498 473145 41823 7554 37 34 62 33 APR 26 52025.50 154455 471758 36997 6007 36 37 66 31 APR 27 52026.50 157140 470313 31866 5467 31 30 55 24 APR 28 52027.50 158943 468672 27277 5246 33 32 62 27 APR 29 52028.50 160695 467078 22217 6166 57 52 61 44 APR 30 52029.50 162340 465646 15414 8172 37 36 63 28 7 -m - EOP(GFZ) 96 P 02 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 2001 MJD x y UT1-UTC D x y UT1-UTC D MAR 1 51969.50 16707 482591 588570 12935 6 7 9 9 MAR 2 51970.50 17768 483004 576491 11579 6 7 9 9 MAR 3 51971.50 19314 483679 604469 10144 7 8 12 12 MAR 4 51972.50 21600 484347 594950 9602 6 7 10 10 MAR 5 51973.50 23620 485219 586068 8794 6 6 8 8 MAR 6 51974.50 25425 485575 576894 9959 6 6 8 8 MAR 7 51975.50 27574 485581 566189 12125 6 6 8 8 MAR 8 51976.50 29879 485659 553374 14261 6 6 8 8 MAR 9 51977.50 32281 485509 538219 16266 6 6 8 8 MAR 10 51978.50 34428 485540 541224 16392 8 9 13 13 MAR 11 51979.50 36781 485687 525047 16210 7 7 10 10 MAR 12 51980.50 39374 485931 510297 14185 7 7 8 8 MAR 13 51981.50 42423 486094 497652 12292 6 7 8 8 MAR 14 51982.50 45155 486414 487667 9470 7 7 8 8 MAR 15 51983.50 47576 486649 480443 6866 7 7 9 9 MAR 16 51984.50 49762 486999 475045 5537 7 7 9 9 MAR 17 51985.50 52233 487532 466065 4401 7 7 11 11 MAR 18 51986.50 54921 487707 462800 3947 6 6 8 8 MAR 19 51987.50 57725 488278 459697 4031 6 6 7 7 MAR 20 51988.50 60384 488978 456354 4798 6 6 7 7 MAR 21 51989.50 63081 489209 452111 5757 6 6 7 7 MAR 22 51990.50 65910 489457 446710 6876 6 6 7 7 MAR 23 51991.50 68703 490005 440157 7999 6 6 7 7 MAR 24 51992.50 71701 490516 409023 8604 8 8 12 12 MAR 25 51993.50 74795 490964 400618 10106 7 7 9 9 MAR 26 51994.50 77775 491197 390740 11130 6 6 8 8 MAR 27 51995.50 80473 491393 380616 10780 6 6 8 8 MAR 28 51996.50 82813 491386 371090 10039 6 6 7 7 MAR 29 51997.50 85198 491183 362665 8774 6 6 8 8 MAR 30 51998.50 87533 490790 355336 7646 6 7 9 9 MAR 31 51999.50 89672 490355 327536 6391 8 8 12 12 APR 1 52000.50 91676 489698 321782 6491 6 7 9 9 APR 2 52001.50 93717 489239 315209 6816 6 6 7 7 APR 3 52002.50 95827 488839 307463 8283 6 6 8 8 APR 4 52003.50 97975 488005 297824 10382 6 6 7 7 APR 5 52004.50 100322 487149 285774 12624 6 6 8 8 APR 6 52005.50 102954 486828 271929 14386 6 6 8 8 APR 7 52006.50 105525 486584 245067 15407 8 8 12 12 APR 8 52007.50 107555 486269 230077 14046 6 7 9 9 APR 9 52008.50 109375 485429 216803 11955 6 6 8 8 APR 10 52009.50 111590 484481 205839 9596 6 6 7 7 APR 11 52010.50 114365 483652 197032 7270 6 6 7 7 APR 12 52011.50 117327 483222 190428 5328 6 6 7 7 APR 13 52012.50 119702 482746 185791 3514 6 6 8 8 APR 14 52013.50 122242 481702 165915 2942 8 8 13 13 APR 15 52014.50 125017 480931 162577 3202 7 7 10 10 APR 16 52015.50 127930 479972 158438 4228 6 7 9 9 APR 17 52016.50 131207 479065 152716 6196 6 7 9 9 APR 18 52017.50 134550 478490 145146 7872 6 6 9 9 APR 19 52018.50 137895 478095 136096 9333 6 6 8 8 APR 20 52019.50 140929 477554 126028 9893 6 7 8 8 APR 21 52020.50 143686 476625 115288 10549 7 7 11 11 APR 22 52021.50 146357 475671 114536 10078 14 14 15 15 APR 23 52022.50 148561 475194 100836 8884 15 16 16 16 APR 24 52023.50 150533 474507 91935 8288 12 14 15 15 APR 25 52024.50 152274 472880 83544 8017 9 11 14 14 APR 26 52025.50 154669 471645 76242 6634 13 13 14 14 APR 27 52026.50 156770 470486 69924 5379 12 12 14 14 APR 28 52027.50 158763 468899 64442 5090 12 12 15 15 APR 29 52028.50 160602 467271 58826 6287 15 14 15 15 7 -n - EOP(JPL) 96 P 03 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 2001 MJD x y UT1-UTC D x y UT1-UTC D MAR 1 51969.50 16857 482632 364575 12602 35 41 214 214 MAR 2 51970.50 17932 483167 352659 11212 35 41 210 210 MAR 3 51971.50 19385 483619 342042 10065 34 42 204 204 MAR 4 51972.50 21497 484295 332398 9328 35 42 209 209 MAR 5 51973.50 23712 485046 323233 9158 33 38 206 206 MAR 6 51974.50 25416 485500 314027 9412 31 35 195 195 MAR 7 51975.50 27567 485584 303655 11429 32 35 195 195 MAR 8 51976.50 29840 485611 291071 13730 32 36 198 198 MAR 9 51977.50 32227 485455 276499 15292 31 34 193 193 MAR 10 51978.50 34449 485565 260723 16068 36 42 202 202 MAR 11 51979.50 36860 485565 244655 15866 33 39 192 192 MAR 12 51980.50 39445 485654 229454 14392 33 38 192 192 MAR 13 51981.50 42503 485929 216011 12434 32 37 186 186 MAR 14 51982.50 45238 486447 204957 9686 33 38 187 187 MAR 15 51983.50 47550 486609 196572 7150 39 45 194 194 MAR 16 51984.50 49853 486972 190179 5728 38 43 187 187 MAR 17 51985.50 52275 487478 184965 4801 37 42 185 185 MAR 18 51986.50 54922 487661 180460 4315 36 43 184 184 MAR 19 51987.50 57739 488268 176221 4254 37 44 190 190 MAR 20 51988.50 60374 488893 171651 4955 41 46 195 195 MAR 21 51989.50 63126 489166 166344 5704 32 38 176 176 MAR 22 51990.50 65943 489464 159803 7395 36 46 184 184 MAR 23 51991.50 68773 489991 152073 8047 36 43 179 179 MAR 24 51992.50 71863 490404 143491 9062 36 45 179 179 MAR 25 51993.50 74946 490829 133601 10628 38 50 181 181 MAR 26 51994.50 77896 491081 122568 11336 40 50 182 182 MAR 27 51995.50 80523 491244 111294 11114 41 51 185 185 MAR 28 51996.50 82953 491210 100465 10477 40 49 184 184 MAR 29 51997.50 85216 491201 90502 9427 38 48 178 178 MAR 30 51998.50 87421 490637 81806 7999 39 49 181 181 MAR 31 51999.50 89636 490166 74365 6973 45 61 191 191 APR 1 52000.50 91698 489500 67488 6915 42 54 192 192 APR 2 52001.50 93708 489006 60694 6826 43 49 185 185 APR 3 52002.50 95924 488755 53173 8341 42 51 184 184 APR 4 52003.50 98029 487872 43877 10297 39 49 183 183 APR 5 52004.50 100345 487034 32506 12386 40 46 180 180 APR 6 52005.50 102968 486761 19114 14247 39 49 184 184 APR 7 52006.50 105627 486478 4123 15535 42 52 189 189 APR 8 52007.50 107577 486175 -10666 13855 40 50 189 189 APR 9 52008.50 109333 485415 -23597 11893 41 49 189 189 APR 10 52009.50 111636 484519 -34356 9595 38 46 185 185 APR 11 52010.50 114379 483707 -42740 7211 38 46 192 192 APR 12 52011.50 117268 483227 -48915 5225 37 46 187 187 APR 13 52012.50 119786 482653 -53126 3301 39 47 185 185 APR 14 52013.50 122296 481739 -56177 2910 33 43 183 183 APR 15 52014.50 125163 480873 -59131 3103 34 41 189 189 APR 16 52015.50 128054 480023 -62735 4187 37 47 195 195 APR 17 52016.50 131275 479168 -67906 6210 36 44 196 196 APR 18 52017.50 134711 478567 -74962 7926 37 41 196 196 APR 19 52018.50 137838 478073 -83238 8622 38 39 171 171 APR 20 52019.50 140897 477456 -92369 9601 38 42 141 141 APR 21 52020.50 143653 476729 -102259 10106 40 45 149 149 7 -o - EOP(NOAA) 96 P 01 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 2001 MJD x y UT1-UTC D x y UT1-UTC D MAR 1 51969.50 16524 482499 554122 13377 29 27 104 208 MAR 2 51970.50 17835 482536 543328 11706 28 26 103 206 MAR 3 51971.50 19020 483307 533021 10998 27 25 102 204 MAR 4 51972.50 21421 484016 516831 10800 28 25 103 205 MAR 5 51973.50 23500 485199 507930 9399 28 25 103 206 MAR 6 51974.50 25190 485553 497933 10210 28 25 101 202 MAR 7 51975.50 27116 485722 486158 12079 27 26 100 201 MAR 8 51976.50 29631 485661 471961 13951 26 25 97 193 MAR 9 51977.50 31865 485401 455339 15318 27 25 95 190 MAR 10 51978.50 34187 485553 437169 15580 27 25 99 197 MAR 11 51979.50 36478 485786 426788 15805 26 25 93 186 MAR 12 51980.50 39348 485514 412070 13598 26 26 94 188 MAR 13 51981.50 42174 485742 398580 11882 26 25 94 188 MAR 14 51982.50 44935 485824 387552 9156 26 26 95 190 MAR 15 51983.50 47401 486168 378062 6836 27 25 89 178 MAR 16 51984.50 49551 486813 369767 5126 24 23 86 172 MAR 17 51985.50 52011 486872 362197 4206 25 24 91 181 MAR 18 51986.50 54633 487474 358864 4231 25 24 87 174 MAR 19 51987.50 57586 488048 352002 4757 26 25 85 171 MAR 20 51988.50 60130 488822 344345 5590 25 24 87 175 MAR 21 51989.50 62949 488992 335759 5903 24 23 87 174 MAR 22 51990.50 65784 489259 324993 7352 24 24 88 176 MAR 23 51991.50 68786 490152 313239 7244 26 28 88 175 MAR 24 51992.50 71879 490246 299532 7959 24 24 84 168 MAR 25 51993.50 74957 490764 316641 9720 24 24 85 170 MAR 26 51994.50 77943 490920 305893 10555 24 24 85 170 MAR 27 51995.50 80432 491187 295440 10081 27 28 86 171 MAR 28 51996.50 82948 490780 285550 9700 25 25 88 175 MAR 29 51997.50 84924 491087 277729 7922 25 25 85 170 MAR 30 51998.50 86967 490552 270403 7633 28 28 87 174 MAR 31 51999.50 89319 489872 264216 7107 29 29 90 179 APR 1 52000.50 91560 489032 251979 7465 24 24 86 172 APR 2 52001.50 93649 488577 245356 7349 26 27 89 179 APR 3 52002.50 95738 488542 237247 9005 26 26 85 170 APR 4 52003.50 97774 487744 227697 10485 26 26 88 176 APR 5 52004.50 100344 487079 215635 12586 26 27 92 185 APR 6 52005.50 103030 486578 201900 14000 29 28 92 184 APR 7 52006.50 105596 486461 187247 14884 28 28 92 184 APR 8 52007.50 107629 485936 174201 13099 26 27 92 184 APR 9 52008.50 109290 485109 160994 11174 25 25 91 182 APR 10 52009.50 111141 484215 149696 9070 24 25 89 178 APR 11 52010.50 114142 483353 140637 6908 27 28 90 181 APR 12 52011.50 117007 482794 133517 5147 26 25 93 186 APR 13 52012.50 119536 482151 128378 3584 25 25 93 186 APR 14 52013.50 122267 481039 123958 3344 23 23 90 179 APR 15 52014.50 125315 480443 124813 3294 25 25 91 183 APR 16 52015.50 128257 479296 120977 4346 25 25 90 179 APR 17 52016.50 131298 478619 115752 6654 23 23 89 178 APR 18 52017.50 134646 478408 110292 7774 27 26 92 185 APR 19 52018.50 137824 477929 103815 8908 25 24 91 181 APR 20 52019.50 140849 477409 96017 10005 25 25 90 180 APR 21 52020.50 143464 476758 87284 10251 26 27 91 183 APR 22 52021.50 146066 475613 70487 9924 27 28 96 192 APR 23 52022.50 148363 475260 61484 8489 26 25 95 190 APR 24 52023.50 150074 474181 52953 7473 25 25 90 180 APR 25 52024.50 151892 472961 44596 7669 25 23 91 182 7 -p - EOP(SIO) 96 P 01 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 2001 MJD x y UT1-UTC D x y UT1-UTC D MAR 1 51969.50 16671 482573 549580 13477 72 74 727 202 MAR 2 51970.50 17728 483076 536793 12072 72 74 868 206 MAR 3 51971.50 19236 483634 525368 10814 71 74 1007 215 MAR 4 51972.50 21439 484310 517113 9857 72 74 246 207 MAR 5 51973.50 23529 485156 507531 9454 74 75 408 200 MAR 6 51974.50 25403 485581 497741 10305 73 74 560 195 MAR 7 51975.50 27436 485704 486494 12312 75 76 699 195 MAR 8 51976.50 29814 485746 472987 14675 78 78 831 198 MAR 9 51977.50 32231 485575 457330 16499 75 74 958 198 MAR 10 51978.50 34416 485542 440441 17098 74 73 1083 205 MAR 11 51979.50 36495 485658 426595 16778 90 87 124 219 MAR 12 51980.50 39324 485766 410728 14811 77 78 240 200 MAR 13 51981.50 42385 486063 396969 12638 77 77 395 193 MAR 14 51982.50 45155 486478 385676 9967 77 77 540 192 MAR 15 51983.50 47597 486693 376910 7647 81 79 678 196 MAR 16 51984.50 49788 487070 370003 6253 78 79 812 200 MAR 17 51985.50 52110 487518 364263 5304 87 91 949 218 MAR 18 51986.50 54860 487755 362846 4409 84 84 124 203 MAR 19 51987.50 57692 488387 358464 4451 74 74 227 185 MAR 20 51988.50 60400 488959 353713 5135 74 74 368 181 MAR 21 51989.50 63085 489274 348058 6216 72 72 499 176 MAR 22 51990.50 65860 489526 341338 7224 76 75 622 184 MAR 23 51991.50 68721 490041 333647 8169 78 78 746 195 MAR 24 51992.50 71768 490553 324945 9243 95 96 878 217 MAR 25 51993.50 74929 490925 316529 10570 88 88 124 205 MAR 26 51994.50 77894 491191 305541 11301 74 75 229 187 MAR 27 51995.50 80592 491386 294282 11108 77 78 373 185 MAR 28 51996.50 82994 491345 283511 10355 79 81 511 188 MAR 29 51997.50 85283 491219 273762 9113 79 80 644 193 MAR 30 51998.50 87477 490842 265244 7948 84 84 778 205 MAR 31 51999.50 89617 490270 257797 7015 100 98 919 226 APR 1 52000.50 91679 489696 252401 6777 89 89 124 208 APR 2 52001.50 93772 489233 245552 7054 79 79 231 190 APR 3 52002.50 95851 488776 237868 8442 77 77 376 184 APR 4 52003.50 98027 487983 228424 10510 77 76 512 183 APR 5 52004.50 100328 487158 216789 12728 80 81 643 193 APR 6 52005.50 102972 486674 203157 14427 83 84 776 205 APR 7 52006.50 105639 486555 188155 15367 103 106 919 231 APR 8 52007.50 107549 486217 173941 14373 93 93 124 215 APR 9 52008.50 109358 485409 160523 12330 78 79 236 195 APR 10 52009.50 111597 484409 149431 9827 77 77 387 190 APR 11 52010.50 114430 483587 140843 7393 78 78 530 192 APR 12 52011.50 117353 483141 134447 5474 75 76 667 193 APR 13 52012.50 119837 482594 129799 3928 76 78 801 204 APR 14 52013.50 122353 481624 126300 3218 87 88 941 221 APR 15 52014.50 125157 480838 124830 3424 87 86 124 214 APR 16 52015.50 128119 479826 120876 4602 77 77 238 200 APR 17 52016.50 131387 478941 115359 6468 77 76 394 196 APR 18 52017.50 134679 478425 108081 8053 78 78 544 200 APR 19 52018.50 137957 477983 99349 9340 78 77 688 200 APR 20 52019.50 140989 477434 89603 10069 76 78 830 209 APR 21 52020.50 143822 476659 79297 10458 90 96 978 230 APR 22 52021.50 146350 475792 0 10376 64 68 0 263 APR 23 52022.50 148462 475050 0 8765 77 80 0 333 APR 24 52023.50 150389 474533 0 7955 72 78 0 295 APR 25 52024.50 152073 473656 0 7662 77 79 0 322 APR 26 52025.50 154484 471892 0 6999 68 74 0 264 APR 27 52026.50 156727 470415 0 6082 66 70 0 258 APR 28 52027.50 158694 468758 0 4870 66 71 0 266 APR 29 52028.50 160441 467445 0 5882 77 80 0 342 APR 30 52029.50 162409 465456 0 8241 70 74 0 263 7 -q - EOP(IGS) 95 P 02 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 2001 MJD x y UT1-UTC D x y UT1-UTC D MAR 1 51969.50 16702 482555 551236 13158 86 53 123 94 MAR 2 51970.50 17762 483028 538739 11727 88 66 139 88 MAR 3 51971.50 19239 483555 527470 10647 78 68 132 95 MAR 4 51972.50 21491 484303 517467 9704 65 47 107 74 MAR 5 51973.50 23640 485164 508243 9130 78 43 180 89 MAR 6 51974.50 25397 485533 498460 10110 57 53 231 109 MAR 7 51975.50 27505 485583 487358 12127 63 57 223 109 MAR 8 51976.50 29815 485644 474251 14328 54 52 218 85 MAR 9 51977.50 32212 485520 459044 16122 48 39 252 118 MAR 10 51978.50 34441 485570 442970 16490 61 33 254 128 MAR 11 51979.50 36756 485655 426500 16354 81 37 166 47 MAR 12 51980.50 39425 485823 411504 14349 58 56 140 83 MAR 13 51981.50 42472 486041 398091 12390 51 50 161 76 MAR 14 51982.50 45212 486441 387494 9555 58 28 180 96 MAR 15 51983.50 47615 486662 379391 7070 55 42 182 78 MAR 16 51984.50 49823 487018 372780 5755 56 44 179 59 MAR 17 51985.50 52252 487490 367356 4947 63 46 153 45 MAR 18 51986.50 54938 487777 362940 4135 58 34 165 79 MAR 19 51987.50 57757 488349 358640 4215 61 43 118 63 MAR 20 51988.50 60391 488958 353978 4974 40 50 130 56 MAR 21 51989.50 63074 489231 348642 5887 45 47 140 32 MAR 22 51990.50 65920 489483 342190 7054 58 42 143 97 MAR 23 51991.50 68767 490002 334805 7998 70 47 155 60 MAR 24 51992.50 71796 490494 326387 8963 56 63 143 51 MAR 25 51993.50 74870 490937 316443 10349 34 48 197 95 MAR 26 51994.50 77853 491194 305637 11222 38 47 176 60 MAR 27 51995.50 80537 491375 294902 10851 38 53 107 70 MAR 28 51996.50 82923 491349 284503 10091 41 47 110 77 MAR 29 51997.50 85245 491214 275054 8934 39 45 107 94 MAR 30 51998.50 87532 490777 266664 7833 56 55 109 55 MAR 31 51999.50 89682 490205 259318 6846 48 51 89 80 APR 1 52000.50 91726 489588 252409 6670 73 76 85 44 APR 2 52001.50 93766 489149 245585 6906 62 73 92 55 APR 3 52002.50 95872 488795 237702 8332 47 57 98 41 APR 4 52003.50 98029 487941 228159 10461 46 58 113 76 APR 5 52004.50 100369 487098 216590 12609 60 60 123 79 APR 6 52005.50 103004 486716 203171 14282 60 75 165 61 APR 7 52006.50 105655 486557 188462 15313 66 74 153 57 APR 8 52007.50 107571 486224 174195 13931 9 30 163 72 APR 9 52008.50 109351 485458 161138 11921 17 20 148 71 APR 10 52009.50 111604 484478 150318 9549 20 45 163 53 APR 11 52010.50 114369 483665 141950 7202 22 34 147 50 APR 12 52011.50 117312 483221 135693 5364 19 32 116 47 APR 13 52012.50 119744 482673 131362 3589 19 53 118 83 APR 14 52013.50 122255 481715 128000 2889 23 31 101 60 7 -r - EOP(IGS) 96 P 02 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 2001 MJD x y UT1-UTC D x y UT1-UTC D MAR 1 51969.50 16947 482532 551098 13160 52 40 378 93 MAR 2 51970.50 17802 483071 538529 11751 34 41 365 110 MAR 3 51971.50 19147 483483 527084 10381 127 51 356 284 MAR 4 51972.50 21393 484115 517187 9958 87 74 382 131 MAR 5 51973.50 23689 484953 508042 8982 75 109 309 199 MAR 6 51974.50 25459 485500 498419 10095 35 46 329 151 MAR 7 51975.50 27479 485498 487155 11905 48 57 343 158 MAR 8 51976.50 29866 485658 473661 14333 88 63 341 122 MAR 9 51977.50 32416 485506 457830 16493 100 62 294 134 MAR 10 51978.50 34489 485403 442031 16554 120 60 282 164 MAR 11 51979.50 36592 485501 425422 16046 79 45 283 147 MAR 12 51980.50 39217 485766 410261 14246 73 69 267 106 MAR 13 51981.50 42309 485877 397415 12353 54 58 267 61 MAR 14 51982.50 45231 486324 386606 9526 53 66 262 80 MAR 15 51983.50 47688 486473 378917 7131 89 57 279 27 MAR 16 51984.50 49900 486823 372660 5561 93 91 238 111 MAR 17 51985.50 52171 487278 367589 4741 71 61 193 163 MAR 18 51986.50 54849 487639 362900 4372 41 66 207 78 MAR 19 51987.50 57791 488188 358716 4488 81 55 214 123 MAR 20 51988.50 60525 488781 354218 5019 86 49 234 141 MAR 21 51989.50 63145 489056 348247 6235 75 73 226 144 MAR 22 51990.50 65835 489380 341248 7176 29 54 246 116 MAR 23 51991.50 68782 489896 333775 8011 39 46 261 123 MAR 24 51992.50 71818 490537 325800 8721 46 61 255 124 MAR 25 51993.50 74916 490803 316443 10190 40 44 274 144 MAR 26 51994.50 77905 491157 306045 10838 16 70 323 116 MAR 27 51995.50 80588 491404 295659 10777 21 54 298 121 MAR 28 51996.50 82876 491267 285436 9874 32 60 312 106 MAR 29 51997.50 85157 491285 275993 8807 73 89 319 123 MAR 30 51998.50 87314 490729 267255 7596 83 46 260 194 MAR 31 51999.50 89513 490183 259838 6648 57 45 258 105 APR 1 52000.50 91685 489493 253269 6596 64 56 262 95 APR 2 52001.50 93800 489023 246314 6797 52 103 257 109 APR 3 52002.50 95868 488736 238610 8300 79 85 264 132 APR 4 52003.50 98087 487922 229230 10338 56 73 273 141 APR 5 52004.50 100286 487184 217623 12516 27 95 250 119 APR 6 52005.50 102868 486624 203567 14195 32 97 248 98 APR 7 52006.50 105537 486454 188748 15277 71 92 253 110 APR 8 52007.50 107710 486363 173980 13683 107 69 241 95 APR 9 52008.50 109460 485664 161208 11934 73 69 238 108 APR 10 52009.50 111528 484619 150339 9511 27 46 209 121 APR 11 52010.50 114347 483693 142451 6907 53 114 371 128 APR 12 52011.50 117314 483182 136292 5381 68 55 374 83 APR 13 52012.50 119800 482628 132345 3545 79 105 368 111 APR 14 52013.50 122265 481620 128444 3042 74 82 374 134 APR 15 52014.50 125111 480789 125227 3129 73 89 387 36 APR 16 52015.50 127966 479915 121110 4333 40 129 272 70 APR 17 52016.50 131237 479033 115471 6191 71 69 226 79 APR 18 52017.50 134700 478611 108693 7907 53 109 235 99 APR 19 52018.50 137929 478164 99915 9278 56 69 221 81 APR 20 52019.50 140833 477561 90448 10053 27 76 224 132 APR 21 52020.50 143710 476706 79907 10716 44 69 226 76 APR 22 52021.50 146165 475874 69215 10240 100 59 243 166 APR 23 52022.50 148479 475191 59674 9036 39 87 259 152 APR 24 52023.50 150359 474481 51102 8107 84 104 275 109 APR 25 52024.50 152226 473169 43545 7763 62 88 301 187 APR 26 52025.50 154533 471797 36643 6683 56 44 337 99 APR 27 52026.50 156830 470412 31077 5857 98 46 367 202 APR 28 52027.50 158722 468885 25978 5173 70 50 337 130 APR 29 52028.50 160646 467313 19913 6533 48 70 298 102 APR 30 52029.50 162348 465418 12221 8376 40 83 299 125 7 -s - EOP(IERS) 97 P 01 Units : 1uas for x,y, 0.1us for UT1 and D. Date Uncertainties 2001 MJD x y UT1-UTC D x y UT1-UTC D MAR 1 51969.50 16730 482364 550540 13142 68 44 250 158 MAR 2 51970.50 17837 482863 538300 11691 55 88 290 200 MAR 3 51971.50 19331 483424 527340 10467 56 49 240 209 MAR 4 51972.50 21498 484129 517470 9613 81 53 240 117 MAR 5 51973.50 23605 484919 508380 9256 79 85 250 208 MAR 6 51974.50 25416 485314 498840 10197 30 56 190 144 MAR 7 51975.50 27506 485397 487690 12161 71 61 240 124 MAR 8 51976.50 29852 485425 474530 14236 50 56 390 209 MAR 9 51977.50 32230 485318 459390 15956 43 39 380 332 MAR 10 51978.50 34435 485337 443170 16500 48 30 230 193 MAR 11 51979.50 36731 485462 426720 16105 82 77 230 124 MAR 12 51980.50 39374 485575 411430 14457 46 94 250 191 MAR 13 51981.50 42403 485827 397980 12333 36 66 230 154 MAR 14 51982.50 45157 486215 387220 9601 30 30 220 174 MAR 15 51983.50 47553 486475 379050 7149 34 76 190 141 MAR 16 51984.50 49789 486812 372550 5758 30 30 220 124 MAR 17 51985.50 52230 487264 367270 4827 30 45 210 179 MAR 18 51986.50 54900 487546 362880 4247 41 60 130 105 MAR 19 51987.50 57692 488087 358760 4291 30 30 80 70 MAR 20 51988.50 60372 488715 354200 4981 30 38 50 35 MAR 21 51989.50 63081 489017 348880 5947 30 31 40 33 MAR 22 51990.50 65878 489284 342580 7012 30 30 70 29 MAR 23 51991.50 68728 489778 335260 8047 71 46 170 68 MAR 24 51992.50 71762 490258 326830 9056 63 40 210 160 MAR 25 51993.50 74864 490689 316790 10435 50 42 190 136 MAR 26 51994.50 77822 490962 305660 11257 74 41 170 136 MAR 27 51995.50 80519 491116 294510 10976 59 54 140 98 MAR 28 51996.50 82910 491115 284000 10103 71 55 210 98 MAR 29 51997.50 85217 490974 274390 9068 62 38 210 189 MAR 30 51998.50 87456 490578 266040 7849 88 70 200 92 MAR 31 51999.50 89608 490046 258860 6872 51 59 220 172 APR 1 52000.50 91675 489431 252260 6668 30 63 160 134 APR 2 52001.50 93754 488968 245710 7037 33 74 120 94 APR 3 52002.50 95848 488573 238180 8439 30 62 110 68 APR 4 52003.50 98007 487736 228730 10565 33 43 150 91 APR 5 52004.50 100349 486937 217090 12669 58 57 150 120 APR 6 52005.50 102980 486552 203360 14400 41 79 190 82 APR 7 52006.50 105537 486350 188060 15400 74 35 220 172 APR 8 52007.50 107565 485997 173500 14069 45 33 190 135 APR 9 52008.50 109367 485218 160690 11928 44 41 180 130 APR 10 52009.50 111654 484243 150050 9559 97 65 130 120 APR 11 52010.50 114420 483459 141810 7214 51 74 90 38 APR 12 52011.50 117300 482994 135730 5251 59 56 90 79 APR 13 52012.50 119760 482407 131570 3652 30 82 80 34 APR 14 52013.50 122303 481509 128410 2967 46 67 130 73 APR 15 52014.50 125099 480654 125180 3337 61 67 130 111 APR 16 52015.50 128059 479724 121080 4460 88 93 130 75 APR 17 52016.50 131288 478869 115400 6220 66 98 130 112 APR 18 52017.50 134622 478283 108080 7940 54 64 210 65 APR 19 52018.50 137886 477841 99530 9159 65 45 250 204 APR 20 52019.50 140919 477253 90230 9811 49 51 190 140 APR 21 52020.50 143636 476467 80340 10210 79 71 220 131 APR 22 52021.50 146274 475660 70410 9973 129 84 180 172 APR 23 52022.50 148511 475010 61130 9002 66 53 90 50 APR 24 52023.50 150293 474220 52180 8368 98 64 180 74 APR 25 52024.50 152232 472849 43550 7899 102 202 160 159 APR 26 52025.50 154519 471668 36140 6733 54 37 120 38 APR 27 52026.50 156754 470236 30790 5738 30 30 400 113 APR 28 52027.50 158739 468634 25180 5443 40 66 500 208 APR 29 52028.50 160546 467094 18980 6465 100 99 600 368 APR 30 52029.50 162396 465230 11240 8428 30 36 700 210 7-t - Satellite Laser Ranging : LAGEOS -EOP(CGS) 97 L 02 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 2001 MJD x y UT1-UTC x y UT1-UTC MAR 2 51970.00 1849 48251 54431 21 23 26 MAR 3 51971.00 1819 48458 53173 25 22 26 MAR 4 51972.00 2142 48543 52111 73 52 36 MAR 5 51973.00 2284 48542 51089 23 21 26 MAR 6 51974.00 2430 48506 50128 16 18 23 MAR 7 51975.00 2610 48727 48935 34 27 30 MAR 8 51976.00 2746 48608 47994 20 17 23 MAR 9 51977.00 3247 48549 46465 32 24 29 MAR 10 51978.00 3360 48549 45043 29 20 25 MAR 11 51979.00 3697 48600 43242 46 24 28 MAR 12 51980.00 3879 48515 41771 34 21 27 MAR 13 51981.00 4086 48546 40282 15 14 20 MAR 14 51982.00 4442 48593 39091 19 13 21 MAR 15 51983.00 4634 48657 38089 17 14 21 MAR 16 51984.00 4920 48697 37376 15 18 21 MAR 17 51985.00 5105 48696 36804 16 16 21 MAR 18 51986.00 5190 48733 36350 21 17 20 MAR 19 51987.00 5649 48752 35918 20 14 20 MAR 20 51988.00 5861 48850 35407 19 15 22 7-u - Satellite Laser Ranging : LAGEOS -EOP(CSR) 95 L 01 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 2001 MJD x y UT1-UTC x y UT1-UTC MAR 1 51969.19 1535 48058 55679 30 34 25 MAR 4 51972.08 1747 48315 52165 48 42 45 MAR 7 51975.04 2597 48525 49129 36 36 34 MAR 10 51978.27 3286 48400 44793 99 56 50 MAR 13 51981.28 4012 48412 40074 28 24 23 MAR 16 51984.08 4719 48558 37518 23 24 19 MAR 19 51987.27 5541 48631 36023 38 29 27 MAR 22 51990.10 6397 48803 34698 52 32 26 MAR 25 51993.09 7125 48883 32151 38 31 22 MAR 27 51995.93 8096 48954 28911 30 25 26 MAR 31 51999.14 8744 48840 26416 34 33 31 APR 2 52001.75 9295 48786 24673 28 25 23 APR 5 52004.70 9918 48610 21571 38 35 36 APR 8 52007.89 10663 48363 16939 41 46 41 APR 12 52011.12 11441 48181 13997 38 49 38 APR 14 52013.88 12142 48004 12706 33 35 34 APR 18 52017.40 13282 47654 11036 36 34 27 APR 20 52019.61 13958 47574 9041 46 50 38 APR 24 52023.34 14799 47244 5399 44 36 32 APR 27 52026.08 15463 46973 3530 34 24 28 APR 29 52028.93 16016 46527 1845 36 27 93 7-v - Satellite Laser Ranging : LAGEOS -EOP(DUT) 98 L 01 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 2001 MJD x y UT1-UTC x y UT1-UTC MAR 1 51969.00 1713 48247 0 12 12 0 MAR 4 51972.00 2103 48490 0 17 14 0 MAR 7 51975.00 2713 48611 0 12 11 0 MAR 10 51978.00 3437 48692 0 19 13 0 MAR 13 51981.00 4180 48635 0 11 9 0 MAR 16 51984.00 4980 48786 0 9 9 0 MAR 19 51987.00 5735 48872 0 12 9 0 MAR 22 51990.00 6496 49013 0 13 10 0 MAR 25 51993.00 7444 49133 0 11 9 0 MAR 28 51996.00 8266 49200 0 12 9 0 MAR 31 51999.00 8908 49136 0 12 11 0 APR 3 52002.00 9553 48994 0 11 9 0 APR 6 52005.00 10265 48716 0 12 11 0 APR 9 52008.00 10981 48721 0 14 14 0 APR 12 52011.00 11638 48341 0 12 14 0 APR 15 52014.00 12456 48254 0 13 13 0 APR 18 52017.00 13436 47989 0 14 11 0 APR 21 52020.00 14355 47865 0 15 15 0 APR 24 52023.00 14971 47544 0 14 10 0 APR 27 52026.00 15703 47166 0 13 9 0 7-w - Satellite Laser Ranging : LAGEOS -EOP(IAA) 98 L 02 Units : 0.00001" for x,y, 0.000001s for UT1.and D. Date Uncertainties 2001 MJD x y UT1-UTC D x y UT1-UTC D MAR 1 51969.00 1615 48208 55776 1359 6 6 3 4 MAR 2 51970.00 1748 48248 54462 1247 7 7 5 5 MAR 3 51971.00 1887 48321 53286 1090 8 8 5 5 MAR 4 51972.00 2055 48383 52247 980 6 6 5 4 MAR 5 51973.00 2242 48448 51296 916 6 6 4 4 MAR 6 51974.00 2458 48517 50372 923 6 6 4 4 MAR 7 51975.00 2652 48559 49361 1094 5 4 3 3 MAR 8 51976.00 2859 48565 48143 1329 6 5 3 3 MAR 9 51977.00 3093 48574 46707 1523 8 5 4 4 MAR 10 51978.00 3320 48541 45119 1604 7 6 4 3 MAR 11 51979.00 3560 48527 43493 1613 7 6 3 3 MAR 12 51980.00 3810 48539 41894 1551 8 6 4 5 MAR 13 51981.00 4094 48560 40438 1332 6 5 4 3 MAR 14 51982.00 4371 48603 39236 1051 5 5 3 3 MAR 15 51983.00 4633 48636 38296 820 5 4 3 2 MAR 16 51984.00 4876 48667 37565 640 5 4 2 2 MAR 17 51985.00 5120 48700 36984 526 4 4 2 2 MAR 18 51986.00 5377 48728 36496 454 4 4 2 2 MAR 19 51987.00 5631 48769 36056 427 5 4 2 2 MAR 20 51988.00 5887 48826 35618 451 5 4 2 2 MAR 21 51989.00 6173 48888 35130 527 5 4 2 2 MAR 22 51990.00 6467 48924 34549 635 6 4 2 3 MAR 23 51991.00 6783 48967 33862 736 7 5 3 3 MAR 24 51992.00 7081 49014 33067 848 6 5 4 4 MAR 25 51993.00 7367 49070 32149 977 6 5 3 3 MAR 26 51994.00 7655 49106 31120 1068 6 5 3 2 MAR 27 51995.00 7946 49124 30032 1092 6 5 3 3 MAR 28 51996.00 8179 49112 28959 1036 5 5 3 2 MAR 29 51997.00 8420 49115 27963 943 6 4 3 3 MAR 30 51998.00 8656 49099 27073 831 6 5 3 3 MAR 31 51999.00 8879 49051 26292 735 6 5 3 3 APR 1 52000.00 9085 48983 25591 676 6 5 3 3 APR 2 52001.00 9282 48918 24921 678 6 5 3 3 APR 3 52002.00 9491 48875 24203 770 7 6 3 4 APR 4 52003.00 9711 48839 23354 932 6 5 4 4 APR 5 52004.00 9926 48778 22309 1150 6 4 4 3 APR 6 52005.00 10169 48702 21032 1390 6 6 5 6 APR 7 52006.00 10402 48652 19588 1481 9 8 5 4 APR 8 52007.00 10636 48627 18107 1463 9 9 5 5 APR 9 52008.00 10841 48587 16712 1312 7 7 5 5 APR 10 52009.00 11067 48501 15516 1075 6 7 5 5 APR 11 52010.00 11324 48414 14566 826 6 7 5 4 APR 12 52011.00 11604 48342 13852 616 6 6 4 4 APR 13 52012.00 11884 48258 13326 455 7 6 5 5 APR 14 52013.00 12134 48165 12944 330 7 6 5 5 APR 15 52014.00 12362 48086 12619 324 7 7 5 5 APR 16 52015.00 12639 48031 12264 409 9 8 4 4 APR 17 52016.00 12978 47932 11776 544 7 6 4 4 APR 18 52017.00 13292 47868 11162 696 5 5 4 3 APR 19 52018.00 13630 47821 10378 853 6 4 4 4 APR 20 52019.00 13959 47776 9486 935 7 5 4 4 APR 21 52020.00 14242 47722 8526 986 7 5 4 4 APR 22 52021.00 14512 47662 7534 997 9 7 4 4 APR 23 52022.00 14750 47604 6564 939 6 5 4 4 APR 24 52023.00 14943 47526 5664 859 6 4 4 5 APR 25 52024.00 15093 47372 4828 813 6 4 5 5 APR 26 52025.00 15266 47246 4065 716 7 5 4 4 APR 27 52026.00 15527 47091 3411 604 7 4 4 4 APR 28 52027.00 15754 46933 2849 539 8 6 5 6 APR 29 52028.00 15942 46814 2315 553 7 6 5 5 APR 30 52029.00 16157 46645 1712 674 7 4 5 6 7-x - Satellite Laser Ranging : LAGEOS -EOP(MCC) 97 L 01 Units : 0.00001" for x,y, 0.000001s for UT1. Date Uncertainties 2001 MJD x y D x y D MAR 1 51969.00 1625 48158 1370 6 6 10 MAR 2 51970.00 1750 48221 1280 8 8 10 MAR 3 51971.00 1854 48279 1090 8 9 10 MAR 4 51972.00 2014 48341 1050 8 6 10 MAR 5 51973.00 2227 48426 960 8 7 10 MAR 6 51974.00 2440 48515 1010 7 7 10 MAR 7 51975.00 2627 48557 1120 7 6 0 MAR 8 51976.00 2842 48539 1380 8 8 20 MAR 9 51977.00 3070 48543 1520 7 6 10 MAR 10 51978.00 3293 48525 1550 17 11 10 MAR 11 51979.00 3513 48519 1600 12 7 10 MAR 12 51980.00 3772 48534 1520 6 6 0 MAR 13 51981.00 4059 48558 1320 5 4 10 MAR 14 51982.00 4366 48595 1070 5 4 10 MAR 15 51983.00 4643 48650 880 4 4 0 MAR 16 51984.00 4863 48660 680 4 4 0 MAR 17 51985.00 5088 48685 550 4 7 10 MAR 18 51986.00 5335 48714 500 5 5 0 MAR 19 51987.00 5618 48761 430 5 4 10 MAR 20 51988.00 5925 48824 490 6 5 0 MAR 21 51989.00 6191 48888 550 8 5 10 MAR 22 51990.00 6448 48897 660 8 5 10 MAR 23 51991.00 6723 48943 760 7 6 10 MAR 24 51992.00 7014 48987 840 6 5 10 MAR 25 51993.00 7321 49026 950 6 5 0 MAR 26 51994.00 7628 49057 1070 5 4 0 MAR 27 51995.00 7922 49095 1090 6 4 10 MAR 28 51996.00 8192 49121 1040 5 3 0 MAR 29 51997.00 8416 49092 960 7 4 10 MAR 30 51998.00 8638 49060 850 7 6 10 MAR 31 51999.00 8849 48997 780 6 6 10 APR 1 52000.00 9058 48931 690 5 5 0 APR 2 52001.00 9272 48877 720 6 6 0 APR 3 52002.00 9475 48858 830 6 4 0 APR 4 52003.00 9669 48810 960 4 4 10 APR 5 52004.00 9893 48727 1180 4 4 0 APR 6 52005.00 10127 48659 1470 6 7 10 APR 7 52006.00 10387 48612 1460 6 6 0 APR 8 52007.00 10632 48583 1430 6 6 0 APR 9 52008.00 10825 48545 1240 4 8 0 APR 10 52009.00 11003 48480 1090 5 7 10 APR 11 52010.00 11266 48383 890 8 10 10 APR 12 52011.00 11571 48323 610 7 9 10 APR 13 52012.00 11848 48287 510 4 4 10 APR 14 52013.00 12090 48214 350 4 5 10 APR 15 52014.00 12354 48113 360 5 5 0 APR 16 52015.00 12642 48027 390 5 5 0 APR 17 52016.00 12962 47957 540 5 4 0 APR 18 52017.00 13273 47863 710 4 4 0 APR 19 52018.00 13632 47836 840 4 3 0 APR 20 52019.00 13924 47773 950 4 3 0 APR 21 52020.00 14227 47697 1020 6 6 0 APR 22 52021.00 14495 47614 1000 8 9 10 APR 23 52022.00 14733 47553 940 5 4 0 APR 24 52023.00 14926 47478 860 7 6 10