BULLETIN B 364 4 June 2018 Contents are described in ftp://hpiers.obspm.fr/iers/bul/bulb_new/bulletinb.pdf 1 - DAILY FINAL VALUES OF x, y, UT1-UTC, dX, dY Angular unit is milliarcsecond (mas), time unit is millisecond (ms). Upgraded solution from March 1 2017 - consistent with ITRF 2014. DATE MJD x y UT1-UTC dX dY x err y err UT1 err X err Y err (0 h UTC) mas mas ms mas mas mas mas ms mas mas Final values Mean formal error 0.058 0.039 0.0205 0.042 0.115 2018 4 2 58210 33.078 396.270 132.7392 0.008 -0.157 0.074 0.046 0.0352 0.149 0.154 2018 4 3 58211 33.726 398.187 131.5362 0.001 -0.156 0.077 0.046 0.0261 0.151 0.158 2018 4 4 58212 34.053 400.233 130.4929 -0.006 -0.155 0.078 0.046 0.0279 0.153 0.162 2018 4 5 58213 34.315 402.096 129.6219 -0.012 -0.153 0.077 0.045 0.0574 0.154 0.165 2018 4 6 58214 34.383 403.888 128.8647 -0.019 -0.152 0.069 0.050 0.0348 0.156 0.169 2018 4 7 58215 34.304 405.470 128.1798 0.005 -0.181 0.054 0.043 0.0332 0.085 0.090 2018 4 8 58216 34.814 407.120 127.6036 0.021 -0.187 0.058 0.039 0.0324 0.098 0.100 2018 4 9 58217 35.585 408.611 126.9125 0.038 -0.193 0.057 0.039 0.0298 0.112 0.110 2018 4 10 58218 36.758 410.135 126.1538 0.055 -0.200 0.055 0.038 0.0303 0.125 0.119 2018 4 11 58219 37.937 411.910 125.3817 0.048 -0.185 0.052 0.038 0.0211 0.125 0.120 2018 4 12 58220 38.729 413.822 124.6659 0.035 -0.164 0.052 0.037 0.0095 0.121 0.119 2018 4 13 58221 38.891 415.750 123.7297 0.017 -0.133 0.051 0.037 0.0125 0.077 0.071 2018 4 14 58222 39.901 417.161 122.7277 0.028 -0.099 0.054 0.038 0.0136 0.080 0.079 2018 4 15 58223 41.810 418.839 121.5488 0.048 -0.061 0.060 0.039 0.0135 0.091 0.097 2018 4 16 58224 44.022 420.295 120.2000 0.067 -0.023 0.060 0.039 0.0145 0.102 0.115 2018 4 17 58225 45.901 421.593 118.8225 0.087 0.014 0.058 0.039 0.0160 0.113 0.133 2018 4 18 58226 47.414 422.322 117.6302 0.049 0.018 0.056 0.038 0.0202 0.109 0.130 2018 4 19 58227 49.409 423.167 116.5751 -0.004 0.013 0.053 0.038 0.0250 0.101 0.121 2018 4 20 58228 51.700 424.507 115.4465 -0.057 0.008 0.052 0.037 0.0143 0.092 0.112 2018 4 21 58229 53.949 426.011 114.4468 -0.051 -0.020 0.054 0.038 0.0103 0.094 0.109 2018 4 22 58230 56.126 427.544 113.5646 -0.022 -0.057 0.054 0.039 0.0086 0.100 0.109 2018 4 23 58231 57.956 429.171 112.5549 0.008 -0.094 0.054 0.039 0.0137 0.105 0.109 2018 4 24 58232 59.869 430.738 111.3640 0.037 -0.132 0.056 0.039 0.0227 0.111 0.110 2018 4 25 58233 61.417 432.190 110.0503 0.007 -0.073 0.054 0.038 0.0166 0.103 0.106 2018 4 26 58234 62.620 433.035 108.6112 -0.038 0.011 0.055 0.039 0.0089 0.091 0.101 2018 4 27 58235 63.634 433.950 107.0990 -0.083 0.094 0.054 0.038 0.0111 0.079 0.097 2018 4 28 58236 64.942 434.758 105.5150 -0.090 0.091 0.056 0.039 0.0177 0.078 0.096 2018 4 29 58237 66.329 435.741 104.0683 -0.082 0.056 0.058 0.039 0.0143 0.081 0.097 2018 4 30 58238 67.597 436.693 102.7754 -0.074 0.021 0.057 0.039 0.0105 0.083 0.098 2018 5 1 58239 68.767 437.658 101.6289 -0.066 -0.014 0.059 0.039 0.0135 0.086 0.099 Preliminary extension 2018 5 2 58240 69.517 438.842 100.6152 -0.058 -0.050 0.059 0.039 0.0176 0.089 0.100 2018 5 3 58241 70.351 439.379 99.7191 -0.050 -0.085 0.058 0.038 0.0180 0.091 0.101 2018 5 4 58242 71.437 439.852 98.9345 -0.042 -0.120 0.055 0.038 0.0155 0.094 0.102 2018 5 5 58243 72.187 440.337 98.2141 0.000 0.000 0.055 0.038 0.0131 0.077 0.080 2018 5 6 58244 73.186 441.120 97.5498 0.000 0.000 0.054 0.039 0.0111 0.070 0.071 2018 5 7 58245 74.057 441.970 96.9264 0.000 0.000 0.053 0.039 0.0083 0.070 0.071 2018 5 8 58246 75.292 442.800 96.3047 0.000 0.000 0.052 0.038 0.0175 0.070 0.071 2018 5 9 58247 76.496 443.808 95.5262 0.000 0.000 0.052 0.037 0.0099 0.070 0.071 2018 5 10 58248 77.861 444.671 94.6515 0.000 0.000 0.054 0.038 0.0158 0.070 0.071 2018 5 11 58249 78.929 445.378 93.4745 0.000 0.000 0.054 0.038 0.0331 0.070 0.071 2018 5 12 58250 80.599 445.330 92.6296 0.000 0.000 0.056 0.038 0.0123 0.070 0.071 2018 5 13 58251 83.074 445.186 91.5107 0.000 0.000 0.058 0.039 0.0125 0.070 0.071 2018 5 14 58252 85.122 445.123 90.5301 0.000 0.000 0.059 0.039 0.0208 0.070 0.071 2018 5 15 58253 87.500 445.193 89.3981 0.000 0.000 0.058 0.039 0.0141 0.070 0.071 2018 5 16 58254 89.692 445.480 88.6124 -0.065 -0.148 0.027 0.025 0.0125 0.035 0.033 2018 5 17 58255 91.851 445.691 87.7895 -0.092 -0.135 0.026 0.024 0.0136 0.033 0.031 2018 5 18 58256 94.050 446.232 87.1517 -0.120 -0.122 0.024 0.023 0.0102 0.031 0.030 2018 5 19 58257 95.695 446.918 86.6309 0.000 0.000 0.028 0.023 0.0167 0.087 0.084 2018 5 20 58258 97.035 447.455 86.0616 0.000 0.000 0.028 0.017 0.0168 0.108 0.105 2018 5 21 58259 98.160 447.722 85.4487 0.000 0.000 0.032 0.021 0.0235 0.108 0.105 2018 5 22 58260 99.221 447.696 84.7055 0.000 0.000 0.036 0.025 0.0208 0.108 0.105 2018 5 23 58261 100.778 447.766 83.7188 0.000 0.000 0.038 0.025 0.0147 0.108 0.105 2018 5 24 58262 102.585 447.799 82.6948 0.000 0.000 0.034 0.029 0.0156 0.108 0.105 2018 5 25 58263 104.503 447.916 81.7247 0.000 0.000 0.031 0.028 0.0123 0.108 0.105 2018 5 26 58264 106.048 447.971 80.6867 0.000 0.000 0.035 0.026 0.0141 0.108 0.105 2018 5 27 58265 107.475 447.727 79.7121 0.000 0.000 0.036 0.026 0.0127 0.108 0.105 2018 5 28 58266 109.075 447.431 78.9685 0.000 0.000 0.030 0.025 0.0180 0.108 0.105 2018 5 29 58267 110.663 447.253 78.2822 0.000 0.000 0.025 0.026 0.0189 0.108 0.105 2018 5 30 58268 112.160 447.191 77.7807 0.000 0.000 0.029 0.030 0.0183 0.108 0.105 2018 5 31 58269 113.227 447.160 77.3374 0.000 0.000 0.031 0.030 0.0187 0.108 0.105 2018 6 1 58270 114.240 446.926 77.0981 0.000 0.000 0.036 0.029 0.0188 0.108 0.105 2 - DAILY FINAL VALUES OF CELESTIAL POLE OFFSETS dPsi1980 & dEps1980 dPsi1980 dEps1980 ....dPsi,dEps / IAU 1980 precession-nutation model Description : ftp://hpiers.obspm.fr/iers/bul/bulb_new/bulletinb.pdf The Reference Systems are described in the 2006 IERS Annual Report. DATE MJD dPsi1980 dEps1980 sig dPsi sig dEps (0 h UTC) mas mas mas mas 2018 4 2 58210 -102.192 -11.676 0.375 0.154 2018 4 3 58211 -102.333 -11.540 0.380 0.158 2018 4 4 58212 -102.585 -11.424 0.385 0.162 2018 4 5 58213 -102.905 -11.448 0.387 0.165 2018 4 6 58214 -103.147 -11.600 0.392 0.169 2018 4 7 58215 -103.074 -11.801 0.214 0.090 2018 4 8 58216 -102.731 -11.911 0.246 0.100 2018 4 9 58217 -102.190 -11.949 0.282 0.110 2018 4 10 58218 -101.652 -11.963 0.314 0.119 2018 4 11 58219 -101.367 -11.947 0.314 0.120 2018 4 12 58220 -101.365 -11.883 0.304 0.119 2018 4 13 58221 -101.564 -11.725 0.194 0.071 2018 4 14 58222 -101.714 -11.505 0.201 0.079 2018 4 15 58223 -101.745 -11.335 0.229 0.097 2018 4 16 58224 -101.703 -11.343 0.256 0.115 2018 4 17 58225 -101.710 -11.558 0.284 0.133 2018 4 18 58226 -102.009 -11.892 0.274 0.130 2018 4 19 58227 -102.458 -12.131 0.254 0.121 2018 4 20 58228 -102.893 -12.164 0.231 0.112 2018 4 21 58229 -103.034 -12.076 0.236 0.109 2018 4 22 58230 -102.881 -11.995 0.251 0.109 2018 4 23 58231 -102.461 -11.991 0.264 0.109 2018 4 24 58232 -101.867 -12.033 0.279 0.110 2018 4 25 58233 -101.455 -11.971 0.259 0.106 2018 4 26 58234 -101.347 -11.873 0.229 0.101 2018 4 27 58235 -101.597 -11.800 0.199 0.097 2018 4 28 58236 -101.967 -11.836 0.196 0.096 2018 4 29 58237 -102.259 -11.881 0.204 0.097 2018 4 30 58238 -102.374 -11.867 0.209 0.098 2018 5 1 58239 -102.398 -11.824 0.216 0.099 3 - EARTH ANGULAR VELOCITY : DAILY FINAL VALUES OF LOD, OMEGA AT 0hUTC LOD : Excess of the Length of day - 86400 s TAI OMEGA : Earth angular velocity Description: ftp://hpiers.obspm.fr/iers/bul/bulb_new/bulletinb.pdf DATE MJD LOD sigma OMEGA sigma (0 h UTC) ms ms mas/ms mas/ms 2018 4 2 58210 1.2839 0.0146 15.04106695516 0.00000000254 2018 4 3 58211 1.1210 0.0150 15.04106698352 0.00000000261 2018 4 4 58212 0.9570 0.0149 15.04106701207 0.00000000259 2018 4 5 58213 0.7920 0.0149 15.04106704079 0.00000000259 2018 4 6 58214 0.6835 0.0148 15.04106705968 0.00000000258 2018 4 7 58215 0.6690 0.0124 15.04106706221 0.00000000216 2018 4 8 58216 0.6626 0.0125 15.04106706332 0.00000000218 2018 4 9 58217 0.6681 0.0124 15.04106706236 0.00000000216 2018 4 10 58218 0.6805 0.0121 15.04106706020 0.00000000211 2018 4 11 58219 0.7539 0.0117 15.04106704743 0.00000000204 2018 4 12 58220 0.8512 0.0116 15.04106703049 0.00000000202 2018 4 13 58221 0.9701 0.0118 15.04106700979 0.00000000205 2018 4 14 58222 1.1177 0.0123 15.04106698409 0.00000000214 2018 4 15 58223 1.2640 0.0134 15.04106695863 0.00000000233 2018 4 16 58224 1.3772 0.0134 15.04106693892 0.00000000233 2018 4 17 58225 1.3269 0.0133 15.04106694768 0.00000000232 2018 4 18 58226 1.1790 0.0130 15.04106697342 0.00000000226 2018 4 19 58227 1.0522 0.0121 15.04106699550 0.00000000211 2018 4 20 58228 0.9750 0.0121 15.04106700894 0.00000000211 2018 4 21 58229 0.9481 0.0124 15.04106701362 0.00000000216 2018 4 22 58230 0.9773 0.0124 15.04106700854 0.00000000216 2018 4 23 58231 1.0753 0.0123 15.04106699148 0.00000000214 2018 4 24 58232 1.2418 0.0124 15.04106696249 0.00000000216 2018 4 25 58233 1.3921 0.0120 15.04106693632 0.00000000209 2018 4 26 58234 1.4991 0.0113 15.04106691770 0.00000000197 2018 4 27 58235 1.5215 0.0108 15.04106691380 0.00000000188 2018 4 28 58236 1.5116 0.0110 15.04106691552 0.00000000191 2018 4 29 58237 1.4270 0.0116 15.04106693025 0.00000000202 2018 4 30 58238 1.2534 0.0116 15.04106696047 0.00000000202 2018 5 1 58239 1.0905 0.0110 15.04106698883 0.00000000191 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [58210-58239] No leap second introduced during period [58210-58239] All information concerning time scales : - leap seconds announcements : Bulletin C - DUT1 announcements (UT1-UTC with 0.1 s accuracy) : Bulletin D can be found at : - web site : http://hpiers.obspm.fr/eop-pc/ - anonymous ftp://hpiers.obspm.fr/iers/ or 145.238.100.28 5 - SUMMARY OF CONTRIBUTED EARTH ORIENTATION PARAMETERS SERIES This section gives the average precision of the individual series, some of them contributing to the combination (*) and their average agreement with it. The period covered is that one of Bulletin B. Units : micro-arc-seconds for x/y/dX/dY micro-seconds for UT1/LOD ----------------------------------------------------------------------------- EOP series first line : Mean formal uncertainty Periods covered second line : Weighted RMS agreement with Bulletin B ----------------------------------------------------------------------------- x y UT1 LOD dX dY Data Number VLBI Standards BKG bkg00014.eops 56 67 3 - 15 38 9 58212.21 to 58235.27 73 92 33 - 32 72 GSFC gsf2016a.eoxy 41 44 2 6 11 30 9 58212.21 to 58235.27 59 76 31 15 23 37 IAA iaa2007a.eops 40 42 2 - 12 31 9 58212.21 to 58235.27 66 200 29 - 59 43 USNO usn2018a.eoxy 33 36 2 - 13 35 8 58212.21 to 58235.27 69 107 25 - 27 41 IVS * ivs14r1X.eops 18 18 1 - 6 19 8 58212.21 to 58235.27 60 111 26 - 16 14 VLBI Intensive BKG * bkgint14.eopi - - 9 - - - 28 58211.79 to 58238.79 - - 37 - - - GSFC * gsf2016a.eopi - - 9 - - - 28 58211.79 to 58238.79 - - 37 - - - IAA * iaa2005a.eopi - - 9 - - - 28 58211.79 to 58238.79 - - 40 - - - PUL pul2010a.eopi - - 9 - - - 28 58211.79 to 58238.79 - - 36 - - - USNO * usn2018a.eopi - - 14 - - - 63 58210.13 to 58238.79 - - 86 - - - GPS CODE COD*ERP_R 6 6 - 1 - - 29 58210.50 to 58238.50 45 34 - 11 - - JPL jpl*.erp 11 12 - 7 - - 29 58210.50 to 58238.50 58 36 - 21 - - GFZ gfz*.erp 3 3 - 0 - - 233 58210.00 to 58239.00 178 121 - 35 - - ESOC esa*.erp 7 9 - 3 - - 29 58210.50 to 58238.50 47 33 - 8 - - NOAA ngs*.erp 2 2 - 0 - - 27 58210.50 to 58236.50 42 52 - 7 - - SIO sio*.erp siu*.erp 60 68 - 19 - - 25 58210.50 to 58238.50 69 77 - 20 - - EMR emr*.erp 2 2 - 1 - - 21 58210.50 to 58238.50 53 47 - 12 - - IAA gnss.res 4 4 - 0 - - 29 58210.50 to 58238.50 62 72 - 27 - - GRGS grg*.erp 56 56 - 0 - - 29 58210.50 to 58238.50 40 34 - 9 - - ASI asi*.erp 7 7 - 0 - - 26 58210.50 to 58238.50 58 44 - 30 - - MIT mit*.erp 13 13 - 1 - - 29 58210.50 to 58238.50 54 42 - 10 - - IGR * igs96p02.erp 14 12 - 2 - - 29 58210.50 to 58238.50 62 34 - 10 - - IGS * igs00p03.erp 4 4 - 0 - - 29 58210.50 to 58238.50 44 31 - 9 - - SLR MCC tg*.02 162 178 - 27 - - 30 58210.00 to 58239.00 71 96 - 156 - - IAA slr_v.dat 50 58 - 3 - - 30 58210.00 to 58239.00 165 157 - 26 - - ASI asi*.eop 59 64 - 13 - - 29 58210.50 to 58238.50 146 224 - 40 - - ILRS * ilrsa.eop 44 49 - 8 - - 29 58210.50 to 58238.50 108 144 - 23 - - BULLETIN A NEOS mark3.out 22 26 5 - - - 30 58210.00 to 58239.00 54 36 44 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html