                                                                BULLETIN B 289
                                        			1 March 2012   
    
 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      0.018    0.019    0.0061    0.074  0.102 
 
2012   1   2   55928  117.478  262.407 -420.2660    0.506 -0.044    0.018    0.020    0.0043  0.107  0.169
2012   1   3   55929  115.947  261.649 -421.3914    0.487 -0.035    0.018    0.020    0.0046  0.080  0.127
2012   1   4   55930  114.546  260.620 -422.3894    0.464 -0.036    0.018    0.019    0.0024  0.056  0.088
2012   1   5   55931  113.261  260.200 -423.2747    0.424 -0.073    0.018    0.019    0.0140  0.076  0.121
2012   1   6   55932  111.438  259.932 -424.0546    0.381 -0.125    0.018    0.019    0.0031  0.109  0.174
2012   1   7   55933  108.883  259.664 -424.7816    0.348 -0.141    0.018    0.019    0.0036  0.109  0.170
2012   1   8   55934  106.429  258.874 -425.5338    0.325 -0.147    0.018    0.019    0.0056  0.096  0.144
2012   1   9   55935  104.225  258.041 -426.3648    0.308 -0.153    0.019    0.021    0.0066  0.083  0.118
2012   1  10   55936  101.787  257.252 -427.2859    0.299 -0.161    0.019    0.021    0.0030  0.071  0.092
2012   1  11   55937   99.783  256.002 -428.3517    0.296 -0.196    0.019    0.020    0.0152  0.082  0.108
2012   1  12   55938   98.374  255.057 -429.5936    0.299 -0.236    0.019    0.020    0.0041  0.097  0.135
2012   1  13   55939   97.330  254.481 -431.0036    0.308 -0.272    0.019    0.020    0.0029  0.113  0.162
2012   1  14   55940   96.133  254.325 -432.5201    0.307 -0.270    0.019    0.020    0.0058  0.109  0.157
2012   1  15   55941   94.902  254.379 -434.0233    0.303 -0.252    0.019    0.020    0.0076  0.098  0.139
2012   1  16   55942   93.576  254.528 -435.4233    0.298 -0.223    0.020    0.020    0.0063  0.031  0.043
2012   1  17   55943   91.710  254.906 -436.6664    0.295 -0.201    0.020    0.020    0.0040  0.029  0.041
2012   1  18   55944   89.569  254.798 -437.7220    0.292 -0.183    0.019    0.020    0.0012  0.028  0.040
2012   1  19   55945   87.373  254.461 -438.5853    0.356 -0.209    0.019    0.020    0.0219  0.040  0.049
2012   1  20   55946   85.428  254.180 -439.3168    0.431 -0.250    0.019    0.020    0.0042  0.056  0.062
2012   1  21   55947   83.249  254.651 -440.0245    0.439 -0.289    0.019    0.020    0.0024  0.063  0.071
2012   1  22   55948   80.627  254.924 -440.8023    0.401 -0.323    0.019    0.020    0.0042  0.065  0.077
2012   1  23   55949   78.598  255.078 -441.6951    0.353 -0.351    0.019    0.020    0.0056  0.068  0.085
2012   1  24   55950   76.541  255.624 -442.7049    0.302 -0.373    0.019    0.020    0.0028  0.070  0.091
2012   1  25   55951   74.227  255.806 -443.7962    0.253 -0.351    0.018    0.019    0.0151  0.079  0.101
2012   1  26   55952   71.900  256.092 -444.9204    0.212 -0.312    0.018    0.019    0.0071  0.088  0.111
2012   1  27   55953   69.358  256.156 -446.0334    0.181 -0.266    0.018    0.019    0.0025  0.098  0.120
2012   1  28   55954   66.770  256.221 -447.0732    0.207 -0.237    0.018    0.019    0.0154  0.089  0.109
2012   1  29   55955   64.294  256.203 -447.9982    0.260 -0.216    0.018    0.019    0.0049  0.073  0.090
2012   1  30   55956   61.824  255.972 -448.7993    0.316 -0.195    0.019    0.021    0.0048  0.056  0.071
2012   1  31   55957   59.292  255.822 -449.4656    0.376 -0.179    0.019    0.021    0.0020  0.041  0.052
2012   2   1   55958   56.906  255.521 -449.9897    0.404 -0.155    0.019    0.020    0.0026  0.036  0.046

 Preliminary extension 
2012   2   2   55959   54.725  255.253 -450.4155    0.416 -0.138    0.019    0.020    0.0040  0.035  0.045
2012   2   3   55960   52.998  254.824 -450.8189    0.416 -0.134    0.019    0.018    0.0018  0.034  0.044
2012   2   4   55961   51.408  254.365 -451.2567    0.404 -0.161    0.019    0.018    0.0196  0.038  0.041
2012   2   5   55962   49.333  254.085 -451.7747    0.378 -0.204    0.019    0.020    0.0080  0.043  0.037
2012   2   6   55963   47.361  253.995 -452.4414    0.341 -0.248    0.019    0.020    0.0101  0.049  0.033
2012   2   7   55964   45.713  254.226 -453.3164    0.296 -0.290    0.019    0.020    0.0061  0.055  0.029
2012   2   8   55965   44.324  254.543 -454.4114    0.314 -0.295    0.019    0.020    0.0340  0.058  0.043
2012   2   9   55966   43.196  255.059 -455.7140    0.350 -0.281    0.019    0.020    0.0085  0.061  0.063
2012   2  10   55967   42.168  255.794 -457.1692    0.389 -0.254    0.019    0.020    0.0028  0.064  0.083
2012   2  11   55968   41.280  256.694 -458.6439    0.319 -0.246    0.019    0.020    0.0100  0.062  0.084
2012   2  12   55969   40.311  257.431 -460.0524    0.213 -0.239    0.276    0.331    0.0088  0.057  0.078
2012   2  13   55970   38.885  258.109 -461.3165    0.115 -0.224    0.533    0.440    0.0079  0.052  0.072
2012   2  14   55971   37.080  258.640 -462.3418    0.025 -0.204    0.551    0.507    0.0030  0.047  0.066
2012   2  15   55972   35.700  259.567 -463.1549    0.002  0.002    0.602    0.642    0.0623  0.065  0.072
2012   2  16   55973   34.363  260.906 -463.8016    0.002  0.002    0.663    0.465    0.0065  0.070  0.075
2012   2  17   55974   33.083  261.932 -464.3584    0.002  0.003    0.620    0.524    0.0040  0.070  0.075
2012   2  18   55975   31.631  263.047 -464.9313    0.002  0.003    0.542    0.533    0.0043  0.070  0.075
2012   2  19   55976   30.630  264.000 -465.5900    0.002  0.003    0.559    0.499    0.0051  0.070  0.075
2012   2  20   55977   29.771  265.044 -466.3613    0.002  0.003    0.585    0.456    0.0059  0.070  0.075
2012   2  21   55978   28.389  265.669 -467.2123    0.002  0.003    0.637    0.524    0.0085  0.070  0.075
2012   2  22   55979   26.750  266.293 -468.1006    0.002  0.002    0.568    0.490    0.0087  0.070  0.075
2012   2  23   55980   24.714  267.055 -468.9705    0.002  0.002    0.508    0.347    0.0064  0.070  0.075
2012   2  24   55981   22.862  267.808 -469.7768    0.002  0.003    0.623    0.587    0.0059  0.070  0.075
2012   2  25   55982   21.596  268.889 -470.5032    0.002  0.002    0.668    0.707    0.0045  0.070  0.075
2012   2  26   55983   20.653  270.264 -471.1521    0.002  0.002    0.607    0.546    0.0044  0.070  0.075
2012   2  27   55984   20.113  271.156 -471.7480    0.002  0.002    0.422    0.525    0.0090  0.070  0.075
2012   2  28   55985   19.758  271.967 -472.2704    0.002  0.002    0.267    0.616    0.0365  0.070  0.075
2012   2  29   55986   18.984  272.860 -472.6491    0.002  0.003    0.237    0.407    0.0690  0.070  0.075
2012   3   1   55987   17.885  273.549 -472.9173    0.002  0.003    0.226    0.188    0.0274  0.070  0.075
 
	
 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   

2012   1   2   55928   -70.304    -7.394     0.268     0.169
2012   1   3   55929   -70.405    -7.323     0.202     0.127
2012   1   4   55930   -70.443    -7.319     0.140     0.088
2012   1   5   55931   -70.463    -7.396     0.191     0.121
2012   1   6   55932   -70.523    -7.490     0.274     0.174
2012   1   7   55933   -70.657    -7.541     0.273     0.170
2012   1   8   55934   -70.776    -7.617     0.242     0.144
2012   1   9   55935   -70.701    -7.760     0.209     0.118
2012   1  10   55936   -70.382    -7.919     0.178     0.092
2012   1  11   55937   -70.010    -8.015     0.205     0.108
2012   1  12   55938   -69.835    -7.966     0.245     0.135
2012   1  13   55939   -69.937    -7.806     0.284     0.162
2012   1  14   55940   -70.228    -7.595     0.274     0.157
2012   1  15   55941   -70.510    -7.408     0.246     0.139
2012   1  16   55942   -70.708    -7.246     0.077     0.043
2012   1  17   55943   -70.863    -7.136     0.073     0.041
2012   1  18   55944   -71.047    -7.143     0.070     0.040
2012   1  19   55945   -71.073    -7.370     0.100     0.049
2012   1  20   55946   -70.970    -7.728     0.140     0.062
2012   1  21   55947   -70.854    -8.012     0.158     0.071
2012   1  22   55948   -70.685    -8.050     0.164     0.077
2012   1  23   55949   -70.483    -7.842     0.171     0.085
2012   1  24   55950   -70.365    -7.568     0.176     0.091
2012   1  25   55951   -70.405    -7.403     0.198     0.101
2012   1  26   55952   -70.589    -7.455     0.222     0.111
2012   1  27   55953   -70.862    -7.640     0.246     0.120
2012   1  28   55954   -71.038    -7.816     0.223     0.109
2012   1  29   55955   -71.126    -7.879     0.183     0.090
2012   1  30   55956   -71.117    -7.868     0.142     0.071
2012   1  31   55957   -70.972    -7.908     0.102     0.052
2012   2   1   55958   -70.793    -8.039     0.090     0.046

 
 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

2012   1   2   55928  1.1668  0.0055  15.04106697555    0.00000000096 
2012   1   3   55929  1.0732  0.0055  15.04106699184    0.00000000096 
2012   1   4   55930  0.9431  0.0054  15.04106701449    0.00000000094 
2012   1   5   55931  0.8274  0.0054  15.04106703463    0.00000000094 
2012   1   6   55932  0.7439  0.0054  15.04106704917    0.00000000094 
2012   1   7   55933  0.7242  0.0053  15.04106705260    0.00000000092 
2012   1   8   55934  0.7866  0.0055  15.04106704173    0.00000000096 
2012   1   9   55935  0.9020  0.0055  15.04106702164    0.00000000096 
2012   1  10   55936  0.9794  0.0055  15.04106700817    0.00000000096 
2012   1  11   55937  1.1310  0.0055  15.04106698178    0.00000000096 
2012   1  12   55938  1.3295  0.0053  15.04106694722    0.00000000092 
2012   1  13   55939  1.4854  0.0053  15.04106692008    0.00000000092 
2012   1  14   55940  1.5230  0.0052  15.04106691354    0.00000000091 
2012   1  15   55941  1.4555  0.0033  15.04106692529    0.00000000057 
2012   1  16   55942  1.3370  0.0014  15.04106694592    0.00000000024 
2012   1  17   55943  1.1580  0.0014  15.04106697708    0.00000000024 
2012   1  18   55944  0.9552  0.0014  15.04106701238    0.00000000024 
2012   1  19   55945  0.7743  0.0014  15.04106704388    0.00000000024 
2012   1  20   55946  0.6897  0.0014  15.04106705860    0.00000000024 
2012   1  21   55947  0.7410  0.0014  15.04106704967    0.00000000024 
2012   1  22   55948  0.8370  0.0011  15.04106703296    0.00000000019 
2012   1  23   55949  0.9573  0.0010  15.04106701202    0.00000000017 
2012   1  24   55950  1.0539  0.0010  15.04106699520    0.00000000017 
2012   1  25   55951  1.1148  0.0010  15.04106698460    0.00000000017 
2012   1  26   55952  1.1189  0.0010  15.04106698389    0.00000000017 
2012   1  27   55953  1.0883  0.0010  15.04106698921    0.00000000017 
2012   1  28   55954  1.0003  0.0010  15.04106700453    0.00000000017 
2012   1  29   55955  0.8641  0.0012  15.04106702824    0.00000000021 
2012   1  30   55956  0.7511  0.0017  15.04106704791    0.00000000030 
2012   1  31   55957  0.6002  0.0017  15.04106707418    0.00000000030 
2012   2   1   55958  0.4580  0.0015  15.04106709894    0.00000000026 


 4 - INFORMATION ON TIME SCALES      
     TAI - UTC = 34 s.  No leap second introduced during period [55928-55958]
     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
   AUS   1 R  1               100    87     4     -    83    76       7
   55930.21 to 55950.21       214   410    12     -   100   127

   BKG   8 R  2                97    93     3     -    56    53       9
   55930.21 to 55957.21       236   236     7     -    77   104

   GSFC  9 R  4                74    67     3     7    47    44       9
   55930.21 to 55957.21       136   130     3    11    45    16

   IAA   5 R  2                59    78     3     -    48    47       9
   55930.21 to 55957.21       317   159    11     -   120    72

   IAA   5 R  2                59    78     3     -    48    47       9
   55930.21 to 55957.21       317   159    11     -   120    72

   USNO 10 R  1                80    71     3     -    57    54       9
   55930.21 to 55957.21       184   138     5     -    64    39

   MAO   3 R  1               115   101     4     -    45    44       8
   55930.22 to 55953.28       132   359    11     -    41    65

   IVS   2 R  1 *              39    43     2     -    15    42       9
   55930.21 to 55957.21        95    75     2     -    11     8


 VLBI Intensive
   BKG   3 R  2 *               -     -    11     -     -     -      36
   55928.31 to 55956.79         -     -    18     -     -     -

   GSFC  9 R  2 *               -     -    13     -     -     -      33
   55929.79 to 55956.79         -     -    19     -     -     -

   IAA   5 R  1 *               -     -    12     -     -     -      22
   55929.79 to 55956.79         -     -    17     -     -     -

   PUL  10 R  0                 -     -    17     -     -     -      27
   55928.31 to 55956.79         -     -    18     -     -     -

   USNO  5 R  1 *               -     -    20     -     -     -      26
   55928.31 to 55956.79         -     -    23     -     -     -


 GPS
   CODE 98 P  1                 5     5     -     1     -     -      30
   55928.50 to 55957.50        25    18     -     7     -     -

   JPL  96 P  3                 9     9     -     5     -     -      30
   55928.50 to 55957.50        48    36     -    12     -     -

   GFZ  96 P  2                 5     5     -     1     -     -      30
   55928.50 to 55957.50        31    37     -     7     -     -

   ESOC 96 P  1                17    14     -     1     -     -      30
   55928.50 to 55957.50        42    43     -     8     -     -

   NOAA 96 P  1                 2     3     -    13     -     -      30
   55928.50 to 55957.50        45    50     -     6     -     -

   SIO  96 P  1                17    18     -     4     -     -      31
   55928.50 to 55957.50        42    36     -    12     -     -

   EMR  96 P  3                32    33     -     5     -     -      30
   55928.50 to 55957.50        46    37     -    12     -     -

   IAA   1 P  1                26    37     -     6     -     -      30
   55928.50 to 55957.50       136   186     -    27     -     -

   IGR  96 P  2 *              22    24     -     4     -     -      30
   55928.50 to 55957.50        26    35     -     8     -     -

   IGS   7 P  1 *               5     5     -     0     -     -      30
   55928.50 to 55957.50        26    26     -     5     -     -


 SLR
   MCC  97 L  1               188   193     -    23     -     -      27
   55928.00 to 55958.00       146   135     -    83     -     -

   IAA   2 L  1                43    39     -     2     -     -      31
   55928.00 to 55958.00       144   164     -    16     -     -

   CGS   3 L  2                67    69     -    14     -     -      30
   55928.50 to 55957.50       163   146     -    55     -     -

   PUL  10 L  0                38    39     -     2     -     -      31
   55928.32 to 55957.67       120    99     -    14     -     -

   ILRS  5 L  1 *              69    68     -    10     -     -      30
   55928.50 to 55957.50       169   156     -    36     -     -


 BULLETIN A
   NEOS 97 C  1                26    26     5     -     -     -      31
   55928.00 to 55958.00        20    29    14     -     -     -

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