BULLETIN B 366 3 August 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 0.047 0.033 0.0238 0.029 0.084 2018 6 2 58271 116.000 446.795 76.6933 -0.288 -0.125 0.029 0.023 0.0190 0.022 0.044 2018 6 3 58272 117.672 446.819 76.3388 -0.267 -0.124 0.031 0.022 0.0154 0.024 0.046 2018 6 4 58273 118.894 446.915 75.9905 -0.246 -0.123 0.033 0.022 0.0154 0.025 0.048 2018 6 5 58274 120.342 446.952 75.6038 -0.217 -0.115 0.034 0.023 0.0196 0.024 0.044 2018 6 6 58275 121.747 447.225 75.1601 -0.197 -0.135 0.036 0.022 0.0167 0.026 0.036 2018 6 7 58276 122.644 447.324 74.4750 -0.179 -0.124 0.024 0.022 0.0155 0.027 0.036 2018 6 8 58277 123.501 447.248 73.7278 -0.163 -0.113 0.021 0.022 0.0062 0.028 0.037 2018 6 9 58278 124.610 446.848 73.0121 -0.161 -0.117 0.030 0.017 0.0243 0.029 0.034 2018 6 10 58279 125.717 446.336 72.1061 -0.118 -0.110 0.057 0.039 0.0225 0.082 0.091 2018 6 11 58280 127.341 445.679 71.2516 -0.151 -0.050 0.059 0.039 0.0313 0.170 0.153 2018 6 12 58281 128.905 445.424 70.5019 -0.169 -0.038 0.059 0.039 0.0440 0.204 0.178 2018 6 13 58282 130.659 445.312 70.0227 -0.172 -0.076 0.059 0.039 0.0298 0.182 0.165 2018 6 14 58283 132.046 445.215 69.6209 -0.171 -0.128 0.058 0.039 0.0182 0.146 0.141 2018 6 15 58284 133.109 444.532 69.2766 -0.170 -0.179 0.055 0.038 0.0158 0.110 0.118 2018 6 16 58285 134.123 443.412 69.0526 -0.156 -0.161 0.054 0.038 0.0196 0.102 0.118 2018 6 17 58286 135.386 442.035 68.9034 -0.136 -0.118 0.055 0.039 0.0171 0.105 0.126 2018 6 18 58287 136.764 440.775 68.7465 -0.116 -0.074 0.055 0.039 0.0732 0.108 0.133 2018 6 19 58288 138.420 439.691 68.2057 -0.097 -0.030 0.052 0.038 0.0346 0.112 0.141 2018 6 20 58289 140.390 438.615 67.9078 -0.111 -0.047 0.050 0.037 0.0239 0.092 0.118 2018 6 21 58290 142.450 438.071 67.5607 -0.135 -0.080 0.051 0.038 0.0276 0.067 0.085 2018 6 22 58291 144.511 437.432 67.0069 -0.158 -0.112 0.044 0.036 0.0117 0.042 0.053 2018 6 23 58292 146.600 436.646 66.7788 -0.167 -0.109 0.046 0.036 0.0130 0.040 0.049 2018 6 24 58293 148.455 435.852 67.1508 -0.171 -0.091 0.053 0.038 0.0361 0.047 0.055 2018 6 25 58294 150.195 435.051 67.4125 -0.175 -0.074 0.055 0.039 0.0352 0.054 0.060 2018 6 26 58295 152.117 433.889 67.5355 -0.178 -0.056 0.052 0.038 0.0166 0.061 0.066 2018 6 27 58296 153.952 432.657 68.0891 -0.167 -0.050 0.052 0.038 0.0143 0.062 0.068 2018 6 28 58297 156.049 431.589 68.6308 -0.153 -0.048 0.054 0.038 0.0363 0.062 0.069 2018 6 29 58298 158.520 430.875 69.3490 -0.138 -0.045 0.053 0.038 0.0200 0.061 0.070 2018 6 30 58299 160.954 430.381 70.0009 -0.123 -0.042 0.055 0.039 0.0195 0.061 0.071 2018 7 1 58300 162.875 429.777 70.7484 -0.108 -0.039 0.056 0.039 0.0221 0.061 0.071 Preliminary extension 2018 7 2 58301 164.845 428.658 71.3104 -0.093 -0.036 0.056 0.039 0.0211 0.061 0.072 2018 7 3 58302 166.887 427.189 71.8400 -0.078 -0.034 0.054 0.038 0.0248 0.060 0.073 2018 7 4 58303 169.474 425.900 71.9558 -0.064 -0.031 0.053 0.038 0.0283 0.060 0.074 2018 7 5 58304 172.381 425.362 72.1573 -0.049 -0.028 0.055 0.039 0.0214 0.060 0.075 2018 7 6 58305 174.542 425.415 72.2887 -0.034 -0.025 0.054 0.038 0.0145 0.060 0.076 2018 7 7 58306 176.281 425.148 72.3929 -0.037 -0.013 0.055 0.038 0.0189 0.059 0.073 2018 7 8 58307 177.819 425.073 72.2889 -0.046 0.003 0.058 0.039 0.0230 0.058 0.070 2018 7 9 58308 178.753 424.808 72.0702 -0.055 0.018 0.058 0.039 0.0262 0.057 0.067 2018 7 10 58309 179.179 423.852 71.8583 -0.064 0.034 0.051 0.034 0.0272 0.056 0.063 2018 7 11 58310 180.182 422.671 71.7367 -0.074 0.049 0.049 0.034 0.0197 0.055 0.060 2018 7 12 58311 181.298 421.677 71.6882 -0.083 0.065 0.053 0.038 0.0153 0.055 0.057 2018 7 13 58312 182.421 420.429 71.7235 -0.092 0.081 0.050 0.037 0.0103 0.054 0.053 2018 7 14 58313 184.075 419.377 71.7437 0.000 0.000 0.053 0.038 0.0276 0.072 0.074 2018 7 15 58314 185.573 418.714 71.6616 0.000 0.000 0.031 0.019 0.0252 0.130 0.132 2018 7 16 58315 186.397 418.472 71.3775 0.000 0.000 0.031 0.022 0.0250 0.130 0.132 2018 7 17 58316 187.282 418.073 70.9197 0.000 0.000 0.027 0.020 0.0190 0.130 0.132 2018 7 18 58317 188.313 417.526 70.3755 0.000 0.000 0.027 0.020 0.0261 0.130 0.132 2018 7 19 58318 189.350 416.701 69.7619 0.000 0.000 0.029 0.021 0.0352 0.130 0.132 2018 7 20 58319 190.540 415.751 69.3172 0.000 0.000 0.027 0.018 0.0260 0.130 0.132 2018 7 21 58320 191.645 414.643 69.1259 0.000 0.000 0.029 0.016 0.0357 0.130 0.132 2018 7 22 58321 192.653 413.609 69.0155 0.000 0.000 0.033 0.017 0.0276 0.130 0.132 2018 7 23 58322 193.756 412.712 69.0040 0.000 0.000 0.029 0.021 0.0294 0.130 0.132 2018 7 24 58323 194.778 412.220 69.1656 0.000 0.000 0.029 0.026 0.0319 0.130 0.132 2018 7 25 58324 195.520 411.906 69.2916 0.000 0.000 0.032 0.027 0.0239 0.130 0.132 2018 7 26 58325 195.925 411.360 69.4373 0.000 0.000 0.025 0.027 0.0287 0.130 0.132 2018 7 27 58326 196.420 410.455 69.6261 0.000 0.000 0.021 0.024 0.0367 0.130 0.132 2018 7 28 58327 196.974 409.808 69.8022 0.000 0.000 0.026 0.020 0.0288 0.130 0.132 2018 7 29 58328 197.589 408.738 69.8962 0.000 0.000 0.025 0.022 0.0292 0.130 0.132 2018 7 30 58329 198.351 407.688 69.9597 0.000 0.000 0.027 0.024 0.0283 0.130 0.132 2018 7 31 58330 198.520 406.528 69.9578 0.000 0.000 0.036 0.023 0.0340 0.130 0.132 2018 8 1 58331 198.646 405.190 69.8408 0.000 0.000 0.039 0.023 0.0302 0.130 0.132 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 6 2 58271 -104.895 -12.245 0.055 0.044 2018 6 3 58272 -104.929 -12.286 0.060 0.046 2018 6 4 58273 -104.942 -12.326 0.063 0.048 2018 6 5 58274 -104.771 -12.317 0.060 0.044 2018 6 6 58275 -104.476 -12.253 0.065 0.036 2018 6 7 58276 -104.353 -12.116 0.068 0.036 2018 6 8 58277 -104.715 -12.021 0.070 0.037 2018 6 9 58278 -105.465 -11.994 0.073 0.034 2018 6 10 58279 -105.976 -11.923 0.206 0.091 2018 6 11 58280 -106.291 -11.730 0.427 0.153 2018 6 12 58281 -106.420 -11.643 0.513 0.178 2018 6 13 58282 -106.662 -11.803 0.458 0.165 2018 6 14 58283 -106.949 -12.087 0.367 0.141 2018 6 15 58284 -106.991 -12.234 0.277 0.118 2018 6 16 58285 -106.705 -12.075 0.256 0.118 2018 6 17 58286 -106.375 -11.813 0.264 0.126 2018 6 18 58287 -106.286 -11.666 0.271 0.133 2018 6 19 58288 -106.462 -11.651 0.282 0.141 2018 6 20 58289 -106.764 -11.742 0.231 0.118 2018 6 21 58290 -106.911 -11.851 0.168 0.085 2018 6 22 58291 -106.885 -11.957 0.106 0.053 2018 6 23 58292 -106.898 -11.978 0.101 0.049 2018 6 24 58293 -107.171 -11.887 0.118 0.055 2018 6 25 58294 -107.646 -11.749 0.136 0.060 2018 6 26 58295 -108.072 -11.692 0.153 0.066 2018 6 27 58296 -108.245 -11.801 0.156 0.068 2018 6 28 58297 -108.200 -11.974 0.156 0.069 2018 6 29 58298 -108.080 -12.049 0.153 0.070 2018 6 30 58299 -108.047 -11.985 0.153 0.071 2018 7 1 58300 -108.188 -11.890 0.153 0.071 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 6 2 58271 0.3065 0.0074 15.04106712531 0.00000000129 2018 6 3 58272 0.3404 0.0073 15.04106711941 0.00000000127 2018 6 4 58273 0.3991 0.0070 15.04106710919 0.00000000122 2018 6 5 58274 0.4776 0.0069 15.04106709553 0.00000000120 2018 6 6 58275 0.5681 0.0065 15.04106707977 0.00000000113 2018 6 7 58276 0.6524 0.0065 15.04106706510 0.00000000113 2018 6 8 58277 0.7832 0.0056 15.04106704233 0.00000000097 2018 6 9 58278 0.8502 0.0059 15.04106703066 0.00000000103 2018 6 10 58279 0.8620 0.0124 15.04106702861 0.00000000216 2018 6 11 58280 0.7992 0.0118 15.04106703954 0.00000000205 2018 6 12 58281 0.6350 0.0126 15.04106706813 0.00000000219 2018 6 13 58282 0.4698 0.0124 15.04106709688 0.00000000216 2018 6 14 58283 0.3253 0.0116 15.04106712204 0.00000000202 2018 6 15 58284 0.2358 0.0109 15.04106713762 0.00000000190 2018 6 16 58285 0.2020 0.0110 15.04106714350 0.00000000191 2018 6 17 58286 0.2342 0.0108 15.04106713790 0.00000000188 2018 6 18 58287 0.3425 0.0107 15.04106711905 0.00000000186 2018 6 19 58288 0.4256 0.0106 15.04106710458 0.00000000185 2018 6 20 58289 0.4504 0.0103 15.04106710026 0.00000000179 2018 6 21 58290 0.3833 0.0103 15.04106711194 0.00000000179 2018 6 22 58291 0.2672 0.0110 15.04106713215 0.00000000191 2018 6 23 58292 0.0814 0.0111 15.04106716450 0.00000000193 2018 6 24 58293 -0.1473 0.0113 15.04106720431 0.00000000197 2018 6 25 58294 -0.3272 0.0122 15.04106723563 0.00000000212 2018 6 26 58295 -0.4827 0.0123 15.04106726270 0.00000000214 2018 6 27 58296 -0.5881 0.0122 15.04106728105 0.00000000212 2018 6 28 58297 -0.6465 0.0122 15.04106729122 0.00000000212 2018 6 29 58298 -0.6223 0.0120 15.04106728700 0.00000000209 2018 6 30 58299 -0.6143 0.0121 15.04106728561 0.00000000211 2018 7 1 58300 -0.5927 0.0121 15.04106728185 0.00000000211 4 - INFORMATION ON TIME SCALES TAI - UTC = 37 s. during period [58271-58300] No leap second introduced during period [58271-58300] 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 88 101 5 - 21 54 5 58277.27 to 58298.27 207 71 32 - 22 48 GSFC gsf2016a.eoxy 56 60 3 11 15 37 9 58274.21 to 58298.27 119 76 31 13 58 40 IAA iaa2007a.eops 48 57 3 - 17 40 3 58277.27 to 58291.27 56 93 21 - 14 48 USNO usn2018a.eoxy 29 35 2 - 13 35 2 58277.27 to 58284.27 64 66 4 - 33 33 IVS * ivs14r1X.eops 18 19 2 - 7 21 7 58274.21 to 58295.21 34 40 23 - 23 15 VLBI Intensive GSI * gsiint2c.eopi - - 16 - - - 7 58271.33 to 58292.33 - - 66 - - - BKG * bkgint14.eopi - - 17 - - - 25 58271.33 to 58298.80 - - 57 - - - GSFC * gsf2016a.eopi - - 15 - - - 26 58271.33 to 58298.80 - - 49 - - - IAA * iaa2005a.eopi - - 17 - - - 25 58271.33 to 58298.80 - - 52 - - - PUL pul2010a.eopi - - 15 - - - 25 58271.33 to 58298.80 - - 49 - - - USNO * usn2018a.eopi - - 17 - - - 52 58271.17 to 58299.35 - - 590 - - - GPS CODE COD*ERP_R 6 6 - 1 - - 29 58271.50 to 58299.50 38 22 - 8 - - JPL jpl*.erp 9 10 - 5 - - 29 58271.50 to 58299.50 38 19 - 12 - - GFZ gfz*.erp 1 1 - 0 - - 233 58271.00 to 58300.00 298 269 - 130 - - ESOC esa*.erp 8 9 - 2 - - 29 58271.50 to 58299.50 45 20 - 8 - - SIO sio*.erp siu*.erp 59 63 - 17 - - 29 58271.50 to 58299.50 42 43 - 19 - - EMR emr*.erp 3 3 - 0 - - 29 58271.50 to 58299.50 43 41 - 9 - - IAA gnss.res 4 4 - 0 - - 29 58271.50 to 58299.50 66 69 - 25 - - GRGS grg*.erp 63 63 - 0 - - 29 58271.50 to 58299.50 41 27 - 8 - - ASI asi*.erp 7 7 - 0 - - 29 58271.50 to 58299.50 42 39 - 59 - - MIT mit*.erp 13 13 - 1 - - 29 58271.50 to 58299.50 43 25 - 11 - - IGR * igs96p02.erp 12 10 - 2 - - 29 58271.50 to 58299.50 59 18 - 11 - - IGS * igs00p03.erp 4 4 - 0 - - 29 58271.50 to 58299.50 34 20 - 9 - - SLR MCC tg*.02 149 167 - 25 - - 30 58271.00 to 58300.00 107 90 - 211 - - IAA slr_v.dat 47 54 - 3 - - 30 58271.00 to 58300.00 146 151 - 45 - - ASI asi*.eop 55 63 - 12 - - 29 58271.50 to 58299.50 162 152 - 43 - - ILRS * ilrsa.eop 41 50 - 7 - - 29 58271.50 to 58299.50 91 125 - 19 - - BULLETIN A NEOS mark3.out 19 14 5 - - - 30 58271.00 to 58300.00 42 35 104 - - - To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html