                                                                BULLETIN B 276
                                        			2 February 2011   
    
 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 February 1 2011 - consistent with ITRF 2008.
 
       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      0.053    0.057    0.0066    0.029  0.057 
 
2010  12   2   55532  192.131  238.425 -122.6821    0.385  0.054    0.049    0.053    0.0176  0.026  0.066
2010  12   3   55533  191.007  236.894 -123.6694    0.461  0.155    0.050    0.056    0.0045  0.033  0.083
2010  12   4   55534  190.021  235.420 -124.4059    0.454  0.158    0.051    0.055    0.0054  0.030  0.075
2010  12   5   55535  188.308  234.024 -124.9405    0.412  0.104    0.051    0.055    0.0085  0.023  0.059
2010  12   6   55536  186.406  232.393 -125.3669    0.365  0.025    0.049    0.053    0.0060  0.017  0.043
2010  12   7   55537  184.913  230.861 -125.7788    0.315 -0.071    0.048    0.051    0.0013  0.011  0.027
2010  12   8   55538  183.783  229.501 -126.2382    0.287 -0.134    0.048    0.051    0.0067  0.004  0.011
2010  12   9   55539  183.045  228.407 -126.8013    0.330 -0.204    0.049    0.050    0.0109  0.011  0.027
2010  12  10   55540  181.802  227.737 -127.4716    0.394 -0.267    0.049    0.051    0.0028  0.021  0.053
2010  12  11   55541  179.880  226.787 -128.1778    0.399 -0.263    0.049    0.052    0.0075  0.022  0.056
2010  12  12   55542  177.757  225.752 -128.8967    0.381 -0.223    0.048    0.049    0.0087  0.020  0.050
2010  12  13   55543  175.140  225.140 -129.6359    0.360 -0.170    0.047    0.050    0.0050  0.018  0.044
2010  12  14   55544  171.858  223.981 -130.3511    0.337 -0.111    0.048    0.051    0.0012  0.015  0.038
2010  12  15   55545  168.408  222.455 -130.9761    0.290 -0.062    0.047    0.051    0.0073  0.032  0.080
2010  12  16   55546  166.006  220.789 -131.5322    0.257 -0.042    0.048    0.052    0.0114  0.033  0.083
2010  12  17   55547  164.906  219.736 -132.0332    0.232 -0.039    0.049    0.055    0.0031  0.028  0.070
2010  12  18   55548  164.103  218.821 -132.4155    0.239 -0.066    0.051    0.056    0.0100  0.023  0.059
2010  12  19   55549  163.200  217.756 -132.6793    0.260 -0.112    0.054    0.057    0.0145  0.019  0.049
2010  12  20   55550  161.409  216.705 -132.8209    0.283 -0.166    0.054    0.059    0.0088  0.015  0.038
2010  12  21   55551  159.204  215.481 -132.9024    0.305 -0.221    0.053    0.057    0.0017  0.011  0.028
2010  12  22   55552  157.025  214.415 -133.0783    0.279 -0.245    0.054    0.057    0.0004  0.018  0.044
2010  12  23   55553  154.838  213.230 -133.4320    0.238 -0.255    0.054    0.058    0.0005  0.027  0.067
2010  12  24   55554  153.143  212.299 -133.9861    0.227 -0.256    0.053    0.057    0.0099  0.029  0.073
2010  12  25   55555  151.470  211.557 -134.7324    0.226 -0.247    0.054    0.058    0.0177  0.029  0.072
2010  12  26   55556  149.598  210.603 -135.7018    0.224 -0.228    0.056    0.063    0.0140  0.029  0.072
2010  12  27   55557  147.329  209.353 -136.8307    0.221 -0.200    0.052    0.070    0.0070  0.029  0.072
2010  12  28   55558  144.572  207.791 -137.9451    0.217 -0.168    0.056    0.072    0.0017  0.028  0.071
2010  12  29   55559  141.007  206.567 -138.9107    0.184 -0.110    0.067    0.071    0.0007  0.029  0.072
2010  12  30   55560  137.314  205.262 -139.6578    0.144 -0.051    0.066    0.071    0.0008  0.029  0.074
2010  12  31   55561  134.060  204.158 -140.1867    0.143 -0.040    0.068    0.068    0.0029  0.027  0.068
2011   1   1   55562  130.957  203.177 -140.5400    0.159 -0.056    0.071    0.070    0.0058  0.023  0.059

 Preliminary extension 
2011   1   2   55563  127.726  202.342 -140.7791    0.178 -0.082    0.068    0.072    0.0053  0.019  0.049
2011   1   3   55564  124.399  201.467 -140.9607    0.199 -0.117    0.062    0.066    0.0030  0.016  0.040
2011   1   4   55565  121.332  200.682 -141.1311    0.222 -0.157    0.061    0.068    0.0008  0.012  0.031
2011   1   5   55566  117.708  200.422 -141.3342    0.209 -0.182    0.063    0.070    0.0072  0.016  0.040
2011   1   6   55567  113.721  199.869 -141.6388    0.188 -0.200    0.061    0.069    0.0122  0.021  0.053
2011   1   7   55568  110.132  199.308 -142.0731    0.171 -0.212    0.061    0.071    0.0030  0.027  0.067
2011   1   8   55569  106.321  198.742 -142.5752    0.170 -0.214    0.064    0.072    0.0050  0.025  0.063
2011   1   9   55570  103.155  197.646 -143.1293    0.177 -0.206    0.067    0.071    0.0063  0.021  0.053
2011   1  10   55571  101.119  196.743 -143.7226    0.183 -0.188    0.069    0.071    0.0039  0.017  0.043
2011   1  11   55572   99.994  196.061 -144.3242    0.184 -0.163    0.067    0.072    0.0009  0.013  0.032
2011   1  12   55573   99.066  195.983 -144.9068    0.316 -0.140    0.068    0.072    0.0165  0.018  0.046
2011   1  13   55574   97.632  196.072 -145.4626    0.469 -0.117    0.068    0.073    0.0282  0.026  0.066
2011   1  14   55575   95.292  196.040 -145.9563    0.605 -0.092    0.068    0.073    0.0066  0.034  0.086
2011   1  15   55576   92.308  195.819 -146.3057   -0.004  0.018    0.069    0.070    0.0051  0.030  0.076
2011   1  16   55577   88.863  195.750 -146.6291   -0.004  0.019    0.117    0.098    0.0073  0.028  0.071
2011   1  17   55578   84.988  195.534 -146.8847   -0.004  0.018    0.178    0.166    0.0058  0.028  0.071
2011   1  18   55579   81.338  194.997 -147.1453   -0.004  0.019    0.178    0.192    0.0077  0.028  0.071
2011   1  19   55580   77.940  194.810 -147.5386   -0.004  0.019    0.193    0.192    0.0117  0.028  0.071
2011   1  20   55581   74.644  194.820 -148.0897   -0.004  0.018    0.228    0.181    0.0157  0.028  0.071
2011   1  21   55582   71.360  194.748 -148.8002   -0.004  0.018    0.225    0.184    0.0176  0.028  0.071
2011   1  22   55583   67.907  194.555 -149.7038   -0.004  0.018    0.225    0.217    0.0108  0.028  0.071
2011   1  23   55584   64.847  194.641 -150.8114   -0.004  0.019    0.168    0.155    0.0100  0.028  0.071
2011   1  24   55585   61.634  194.964 -151.9941   -0.004  0.018    0.128    0.101    0.0186  0.028  0.071
2011   1  25   55586   58.612  195.585 -153.1018   -0.004  0.018    0.182    0.108    0.0274  0.028  0.071
2011   1  26   55587   55.360  196.330 -153.9952   -0.004  0.019    0.178    0.116    0.0295  0.028  0.071
2011   1  27   55588   52.415  197.277 -154.6694   -0.005  0.019    0.136    0.116    0.0315  0.028  0.071
2011   1  28   55589   49.440  198.104 -155.1875   -0.004  0.019    0.210    0.128    0.0288  0.028  0.071
2011   1  29   55590   47.563  198.575 -155.5733   -0.004  0.019    0.277    0.117    0.0103  0.028  0.071
2011   1  30   55591   46.043  199.298 -155.8758   -0.004  0.019    0.320    0.104    0.0068  0.028  0.071
2011   1  31   55592   45.151  199.727 -156.2250   -0.004  0.019    0.286    0.147    0.0160  0.028  0.071
2011   2   1   55593   44.440  200.571 -156.5933   -0.005  0.019    0.443    0.406    0.0642  0.028  0.071
 
	
 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   

2010  12   2   55532   -67.841    -6.528     0.070     0.066
2010  12   3   55533   -67.701    -6.408     0.089     0.083
2010  12   4   55534   -67.650    -6.551     0.082     0.075
2010  12   5   55535   -67.577    -6.774     0.065     0.059
2010  12   6   55536   -67.459    -6.881     0.048     0.043
2010  12   7   55537   -67.336    -6.807     0.032     0.027
2010  12   8   55538   -67.167    -6.590     0.024     0.011
2010  12   9   55539   -66.847    -6.434     0.037     0.027
2010  12  10   55540   -66.539    -6.446     0.056     0.053
2010  12  11   55541   -66.467    -6.561     0.056     0.056
2010  12  12   55542   -66.554    -6.693     0.050     0.050
2010  12  13   55543   -66.730    -6.740     0.043     0.044
2010  12  14   55544   -66.949    -6.680     0.037     0.038
2010  12  15   55545   -67.214    -6.598     0.296     0.080
2010  12  16   55546   -67.393    -6.569     0.254     0.083
2010  12  17   55547   -67.495    -6.551     0.096     0.070
2010  12  18   55548   -67.500    -6.484     0.049     0.059
2010  12  19   55549   -67.492    -6.365     0.043     0.049
2010  12  20   55550   -67.474    -6.306     0.037     0.038
2010  12  21   55551   -67.348    -6.414     0.031     0.028
2010  12  22   55552   -67.152    -6.621     0.052     0.044
2010  12  23   55553   -66.865    -6.781     0.078     0.067
2010  12  24   55554   -66.580    -6.783     0.083     0.073
2010  12  25   55555   -66.519    -6.657     0.079     0.072
2010  12  26   55556   -66.701    -6.517     0.076     0.072
2010  12  27   55557   -66.951    -6.421     0.072     0.072
2010  12  28   55558   -67.108    -6.333     0.069     0.071
2010  12  29   55559   -67.242    -6.181     0.073     0.072
2010  12  30   55560   -67.410    -6.015     0.079     0.074
2010  12  31   55561   -67.563    -5.969     0.074     0.068
2011   1   1   55562   -67.662    -6.075     0.063     0.059

 
 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

2010  12   2   55532  1.1207  0.0109  15.04106698357    0.00000000190 
2010  12   3   55533  0.8973  0.0113  15.04106702246    0.00000000197 
2010  12   4   55534  0.6332  0.0114  15.04106706844    0.00000000198 
2010  12   5   55535  0.4592  0.0110  15.04106709873    0.00000000191 
2010  12   6   55536  0.4128  0.0109  15.04106710681    0.00000000190 
2010  12   7   55537  0.4489  0.0103  15.04106710052    0.00000000179 
2010  12   8   55538  0.5104  0.0101  15.04106708982    0.00000000176 
2010  12   9   55539  0.6240  0.0108  15.04106707004    0.00000000188 
2010  12  10   55540  0.6903  0.0112  15.04106705850    0.00000000195 
2010  12  11   55541  0.7133  0.0114  15.04106705449    0.00000000198 
2010  12  12   55542  0.7287  0.0113  15.04106705181    0.00000000197 
2010  12  13   55543  0.7241  0.0112  15.04106705261    0.00000000195 
2010  12  14   55544  0.6843  0.0111  15.04106705954    0.00000000193 
2010  12  15   55545  0.5823  0.0109  15.04106707730    0.00000000190 
2010  12  16   55546  0.5209  0.0110  15.04106708799    0.00000000191 
2010  12  17   55547  0.4508  0.0114  15.04106710019    0.00000000198 
2010  12  18   55548  0.3275  0.0116  15.04106712166    0.00000000202 
2010  12  19   55549  0.2047  0.0111  15.04106714303    0.00000000193 
2010  12  20   55550  0.1020  0.0111  15.04106716091    0.00000000193 
2010  12  21   55551  0.1007  0.0119  15.04106716114    0.00000000207 
2010  12  22   55552  0.2613  0.0125  15.04106713318    0.00000000218 
2010  12  23   55553  0.4661  0.0120  15.04106709753    0.00000000209 
2010  12  24   55554  0.6686  0.0114  15.04106706228    0.00000000198 
2010  12  25   55555  0.8440  0.0121  15.04106703174    0.00000000211 
2010  12  26   55556  1.0719  0.0143  15.04106699207    0.00000000249 
2010  12  27   55557  1.1511  0.0155  15.04106697828    0.00000000270 
2010  12  28   55558  1.0534  0.0150  15.04106699529    0.00000000261 
2010  12  29   55559  0.8467  0.0153  15.04106703127    0.00000000266 
2010  12  30   55560  0.6531  0.0146  15.04106706497    0.00000000254 
2010  12  31   55561  0.4628  0.0129  15.04106709810    0.00000000225 
2011   1   1   55562  0.2889  0.0124  15.04106712838    0.00000000216 


 4 - INFORMATION ON TIME SCALES      
     TAI - UTC = 34 s.  No leap second introduced during period [55532-55562]
     All information concerning time scales : 
	 - leap seconds announcements : Bulletin C 
	 - DUT1 announcements (UT1-UTC with 0.1 ms 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
   AUS   1 R  1               176   168     5     -   136   131       9
   55533.27 to 55560.27       413   334    11     -   190   287

   BKG   8 R  2 *             124    96     7     -    73    72      11
   55533.27 to 55560.27       137   104     3     -    32    24

   GSFC  9 R  4 *             117    89     6    22    73    73      11
   55533.27 to 55560.27       116    89     4    12    22    21

   IAA   5 R  2 *              85    92     3     -    60    60       9
   55533.27 to 55560.27       140   152     5     -   111   136

   SPBU  3 R  3 *             170   181     4     -   140   135       6
   55533.27 to 55558.21       169   163    12     -   141   260

   USNO 10 R  1 *             110   103     3     -   235    95       9
   55533.27 to 55560.27       183   104     5     -    36    49

   MAO   3 R  1 *              77    83     2     -    58    58       9
   55533.27 to 55560.27       214   158     4     -    69    55

   IVS   2 R  1 *              60    55     1     -    18    47       9
   55533.27 to 55560.27       109    74     1     -     7     9


 VLBI Intensive
   BKG   3 R  2 *               -     -    23     -     -     -      26
   55532.79 to 55560.80         -     -    27     -     -     -

   GSFC  9 R  2 *               -     -    33     -     -     -      27
   55532.79 to 55560.80         -     -    21     -     -     -

   IAA   5 R  1 *               -     -    47     -     -     -      16
   55532.79 to 55560.80         -     -    20     -     -     -

   PUL  10 R  0                 -     -    32     -     -     -      27
   55532.79 to 55560.80         -     -    32     -     -     -

   USNO  5 R  1 *               -     -    70     -     -     -      27
   55532.79 to 55560.80         -     -    23     -     -     -


 GPS
   CODE 98 P  1                 4     4     -     1     -     -      30
   55532.50 to 55561.50        29    20     -     9     -     -

   JPL  96 P  3                10    10     -     5     -     -      30
   55532.50 to 55561.50        59    46     -    17     -     -

   GFZ  96 P  2                 5     6     -     1     -     -      30
   55532.50 to 55561.50        23    26     -     7     -     -

   ESOC 96 P  1                12    10     -     1     -     -      30
   55532.50 to 55561.50        46    28     -     8     -     -

   NOAA 96 P  1                 3     3     -    29     -     -      30
   55532.50 to 55561.50        63    55     -    10     -     -

   SIO  96 P  1                15    15     -     3     -     -      30
   55532.50 to 55561.50        29    32     -     9     -     -

   EMR  96 P  3                33    33     -     5     -     -      30
   55532.50 to 55561.50        36    33     -    14     -     -

   IAA   1 P  1                30    34     -     6     -     -      30
   55532.50 to 55561.50       140   120     -    26     -     -

   IGR  96 P  2 *              21    18     -     5     -     -      30
   55532.50 to 55561.50        23    19     -     8     -     -

   IGS   7 P  1 *              34    34     -     8     -     -      30
   55532.50 to 55561.50        18    21     -     6     -     -


 SLR
   MCC  97 L  1               189   239     -    21     -     -      31
   55532.00 to 55562.00       155   208     -    66     -     -

   IAA   2 L  1                45    49     -     2     -     -      31
   55532.00 to 55562.00       167   179     -    20     -     -

   ASI   3 L  2               125   148     -    36     -     -      30
   55532.50 to 55561.50       364   422     -   107     -     -

   PUL  10 L  0                46    47     -     3     -     -      30
   55532.80 to 55560.59       116   171     -    16     -     -

   ILRS  5 L  1 *              75    75     -    75     -     -      30
   55532.50 to 55561.50       187   208     -    38     -     -


 BULLETIN A
   NEOS 97 C  1                60    68     5     -     -     -      31
   55532.00 to 55562.00        59    33    12     -     -     -

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