                                                                BULLETIN B 293
                                        			1 July 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      0.017    0.023    0.0076    0.037  0.045 
 
2012   5   2   56049    9.214  370.867 -546.2259   -0.130 -0.252    0.021    0.026    0.0038  0.039  0.071
2012   5   3   56050   10.546  371.897 -547.6981   -0.174 -0.257    0.021    0.026    0.0011  0.042  0.076
2012   5   4   56051   11.863  373.233 -549.1911   -0.124 -0.430    0.021    0.026    0.0003  0.029  0.053
2012   5   5   56052   13.328  374.713 -550.5806   -0.128 -0.496    0.021    0.026    0.0124  0.029  0.050
2012   5   6   56053   15.115  376.289 -551.9143   -0.156 -0.490    0.021    0.026    0.0108  0.035  0.058
2012   5   7   56054   16.308  378.006 -552.9813   -0.176 -0.452    0.021    0.029    0.0082  0.039  0.065
2012   5   8   56055   16.994  379.387 -553.8805   -0.188 -0.415    0.021    0.029    0.0023  0.045  0.072
2012   5   9   56056   17.569  380.756 -554.6775   -0.164 -0.381    0.020    0.027    0.0084  0.039  0.065
2012   5  10   56057   17.690  381.913 -555.5654   -0.129 -0.348    0.020    0.027    0.0094  0.032  0.055
2012   5  11   56058   17.780  382.703 -556.4987   -0.094 -0.313    0.020    0.027    0.0021  0.024  0.045
2012   5  12   56059   18.358  383.365 -557.4634   -0.051 -0.324    0.020    0.027    0.0147  0.022  0.042
2012   5  13   56060   19.698  384.038 -558.4999   -0.011 -0.353    0.020    0.027    0.0130  0.021  0.041
2012   5  14   56061   21.579  384.748 -559.5554    0.021 -0.379    0.018    0.021    0.0075  0.021  0.041
2012   5  15   56062   23.673  385.619 -560.6062    0.040 -0.404    0.016    0.018    0.0026  0.021  0.041
2012   5  16   56063   25.895  386.691 -561.7379   -0.032 -0.384    0.015    0.020    0.0114  0.029  0.040
2012   5  17   56064   27.811  387.502 -562.6890   -0.129 -0.346    0.015    0.020    0.0068  0.041  0.040
2012   5  18   56065   29.234  388.335 -563.6053   -0.223 -0.299    0.017    0.022    0.0037  0.053  0.040
2012   5  19   56066   30.346  388.884 -564.3392   -0.226 -0.250    0.019    0.025    0.0060  0.053  0.037
2012   5  20   56067   31.434  389.058 -564.9455   -0.186 -0.199    0.017    0.022    0.0061  0.047  0.034
2012   5  21   56068   32.275  389.282 -565.3980   -0.137 -0.147    0.016    0.022    0.0118  0.042  0.031
2012   5  22   56069   33.210  389.771 -565.7928   -0.078 -0.097    0.016    0.022    0.0061  0.037  0.027
2012   5  23   56070   34.221  390.526 -566.1696   -0.073 -0.096    0.015    0.021    0.0111  0.035  0.029
2012   5  24   56071   35.455  391.205 -566.5821   -0.082 -0.117    0.015    0.021    0.0075  0.040  0.033
2012   5  25   56072   37.074  391.898 -567.0903   -0.093 -0.149    0.015    0.021    0.0039  0.045  0.037
2012   5  26   56073   39.082  392.483 -567.7077   -0.100 -0.185    0.015    0.021    0.0159  0.046  0.038
2012   5  27   56074   41.109  393.177 -568.4351   -0.108 -0.221    0.015    0.021    0.0142  0.045  0.038
2012   5  28   56075   42.920  393.837 -569.3419   -0.102 -0.231    0.016    0.022    0.0129  0.054  0.039
2012   5  29   56076   44.706  394.674 -570.3691   -0.112 -0.261    0.016    0.022    0.0088  0.053  0.039
2012   5  30   56077   45.635  395.458 -571.4640   -0.124 -0.283    0.015    0.021    0.0045  0.050  0.038
2012   5  31   56078   46.295  395.962 -572.6044   -0.105 -0.410    0.018    0.022    0.0062  0.029  0.057
2012   6   1   56079   46.904  396.529 -573.8579   -0.126 -0.424    0.018    0.022    0.0020  0.023  0.038

 Preliminary extension 
2012   6   2   56080   47.752  397.169 -575.0136   -0.151 -0.414    0.018    0.022    0.0048  0.023  0.035
2012   6   3   56081   48.883  397.593 -575.9777   -0.177 -0.388    0.018    0.022    0.0064  0.024  0.037
2012   6   4   56082   50.166  397.883 -576.8205   -0.202 -0.353    0.018    0.022    0.0066  0.026  0.040
2012   6   5   56083   51.746  398.094 -577.4836   -0.225 -0.312    0.018    0.022    0.0049  0.027  0.043
2012   6   6   56084   53.304  398.673 -578.0260   -0.244 -0.268    0.018    0.022    0.0017  0.029  0.045
2012   6   7   56085   54.800  398.947 -578.6823   -0.230 -0.266    0.018    0.022    0.0094  0.029  0.045
2012   6   8   56086   56.560  399.503 -579.4677   -0.203 -0.275    0.018    0.022    0.0029  0.028  0.045
2012   6   9   56087   58.235  400.029 -580.3153   -0.205 -0.284    0.018    0.022    0.0114  0.028  0.045
2012   6  10   56088   59.976  400.441 -581.2720   -0.212 -0.292    0.018    0.022    0.0069  0.029  0.046
2012   6  11   56089   61.727  401.405 -582.0694   -0.214 -0.299    0.018    0.022    0.0063  0.029  0.047
2012   6  12   56090   63.531  402.504 -582.8376   -0.208 -0.305    0.018    0.022    0.0046  0.029  0.048
2012   6  13   56091   64.966  403.879 -583.5290   -0.197 -0.307    0.018    0.022    0.0020  0.029  0.049
2012   6  14   56092   65.962  404.710 -584.0912   -0.168 -0.230    0.018    0.022    0.0037  0.031  0.055
2012   6  15   56093   66.917  405.179 -584.5003   -0.134 -0.132    0.018    0.022    0.0017  0.034  0.063
2012   6  16   56094   67.606  405.409 -584.7616    0.003  0.002    0.018    0.022    0.0061  0.056  0.070
2012   6  17   56095   68.685  405.635 -584.9680    0.003  0.002    0.311    0.256    0.0077  0.064  0.072
2012   6  18   56096   70.095  405.887 -585.0195    0.003  0.002    0.624    0.465    0.0069  0.064  0.072
2012   6  19   56097   71.987  406.256 -584.9884    0.003  0.002    0.684    0.465    0.0082  0.064  0.072
2012   6  20   56098   73.749  406.806 -584.9137    0.003  0.002    0.684    0.454    0.0105  0.064  0.072
2012   6  21   56099   75.568  407.369 -584.8276    0.003  0.003    0.715    0.349    0.0128  0.064  0.072
2012   6  22   56100   77.462  407.923 -584.7717    0.003  0.002    0.684    0.384    0.0152  0.064  0.072
2012   6  23   56101   78.956  408.469 -584.8036    0.003  0.003    0.624    0.582    0.0133  0.064  0.072
2012   6  24   56102   80.895  408.487 -584.9981    0.003  0.002    0.735    0.570    0.0070  0.064  0.072
2012   6  25   56103   83.145  408.515 -585.3021    0.002  0.002    0.727    0.455    0.0089  0.064  0.072
2012   6  26   56104   85.303  408.566 -585.7269    0.003  0.002    0.637    0.501    0.0105  0.064  0.072
2012   6  27   56105   87.487  408.685 -586.1731    0.003  0.002    0.674    0.501    0.0352  0.064  0.072
2012   6  28   56106   89.493  409.016 -586.5448    0.003  0.002    0.806    0.501    0.0352  0.064  0.072
2012   6  29   56107   91.406  409.307 -586.7842    0.003  0.002    1.071    1.085    0.0352  0.064  0.072
2012   6  30   56108   93.106  409.415 -586.9315    0.003  0.002  999.000  999.000  999.0000 999.000 999.000
2012   7   1   56109   94.802  409.341  412.9734    0.003  0.002  999.000  999.000  999.0000 999.000 999.000
 
	
 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   5   2   56049   -68.826   -12.694     0.099     0.071
2012   5   3   56050   -69.229   -12.627     0.106     0.076
2012   5   4   56051   -69.485   -12.563     0.073     0.053
2012   5   5   56052   -69.863   -12.485     0.072     0.050
2012   5   6   56053   -70.142   -12.602     0.087     0.058
2012   5   7   56054   -70.198   -12.803     0.098     0.065
2012   5   8   56055   -70.119   -12.891     0.112     0.072
2012   5   9   56056   -69.907   -12.879     0.099     0.065
2012   5  10   56057   -69.596   -12.912     0.080     0.055
2012   5  11   56058   -69.307   -12.993     0.061     0.045
2012   5  12   56059   -69.260   -13.039     0.055     0.042
2012   5  13   56060   -69.517   -12.986     0.054     0.041
2012   5  14   56061   -69.769   -12.921     0.053     0.041
2012   5  15   56062   -69.732   -12.913     0.052     0.041
2012   5  16   56063   -69.716   -12.863     0.074     0.040
2012   5  17   56064   -69.895   -12.739     0.104     0.040
2012   5  18   56065   -70.364   -12.625     0.134     0.040
2012   5  19   56066   -70.752   -12.671     0.132     0.037
2012   5  20   56067   -70.930   -12.894     0.118     0.034
2012   5  21   56068   -70.839   -13.130     0.105     0.031
2012   5  22   56069   -70.531   -13.206     0.092     0.027
2012   5  23   56070   -70.335   -13.163     0.088     0.029
2012   5  24   56071   -70.346   -13.110     0.101     0.033
2012   5  25   56072   -70.569   -13.122     0.114     0.037
2012   5  26   56073   -70.800   -13.142     0.115     0.038
2012   5  27   56074   -70.791   -13.087     0.112     0.038
2012   5  28   56075   -70.485   -12.943     0.137     0.039
2012   5  29   56076   -70.225   -12.826     0.132     0.039
2012   5  30   56077   -70.276   -12.702     0.126     0.038
2012   5  31   56078   -70.618   -12.609     0.074     0.057
2012   6   1   56079   -71.257   -12.369     0.059     0.038

 
 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   5   2   56049  1.4206  0.0099  15.04106693136    0.00000000172 
2012   5   3   56050  1.4781  0.0095  15.04106692135    0.00000000165 
2012   5   4   56051  1.4524  0.0099  15.04106692583    0.00000000172 
2012   5   5   56052  1.3560  0.0101  15.04106694261    0.00000000176 
2012   5   6   56053  1.1972  0.0097  15.04106697025    0.00000000169 
2012   5   7   56054  0.9654  0.0099  15.04106701061    0.00000000172 
2012   5   8   56055  0.8582  0.0095  15.04106702927    0.00000000165 
2012   5   9   56056  0.8585  0.0087  15.04106702922    0.00000000151 
2012   5  10   56057  0.8893  0.0087  15.04106702386    0.00000000151 
2012   5  11   56058  0.9321  0.0090  15.04106701640    0.00000000157 
2012   5  12   56059  0.9890  0.0093  15.04106700650    0.00000000162 
2012   5  13   56060  1.0488  0.0089  15.04106699609    0.00000000155 
2012   5  14   56061  1.0784  0.0086  15.04106699094    0.00000000150 
2012   5  15   56062  1.0969  0.0086  15.04106698771    0.00000000150 
2012   5  16   56063  1.0618  0.0082  15.04106699383    0.00000000143 
2012   5  17   56064  0.9536  0.0079  15.04106701266    0.00000000138 
2012   5  18   56065  0.8258  0.0078  15.04106703491    0.00000000136 
2012   5  19   56066  0.6682  0.0080  15.04106706235    0.00000000139 
2012   5  20   56067  0.5017  0.0078  15.04106709133    0.00000000136 
2012   5  21   56068  0.4082  0.0074  15.04106710761    0.00000000129 
2012   5  22   56069  0.4042  0.0074  15.04106710830    0.00000000129 
2012   5  23   56070  0.4037  0.0074  15.04106710839    0.00000000129 
2012   5  24   56071  0.4431  0.0074  15.04106710153    0.00000000129 
2012   5  25   56072  0.5170  0.0074  15.04106708867    0.00000000129 
2012   5  26   56073  0.6670  0.0073  15.04106706255    0.00000000127 
2012   5  27   56074  0.8057  0.0073  15.04106703841    0.00000000127 
2012   5  28   56075  0.9406  0.0072  15.04106701492    0.00000000125 
2012   5  29   56076  1.0727  0.0072  15.04106699193    0.00000000125 
2012   5  30   56077  1.1683  0.0071  15.04106697529    0.00000000124 
2012   5  31   56078  1.2286  0.0077  15.04106696479    0.00000000134 
2012   6   1   56079  1.1900  0.0077  15.04106697151    0.00000000134 


 4 - INFORMATION ON TIME SCALES 
     
     TAI - UTC = 34 s.

     No leap second introduced during period [56049-56079]
     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               131   103     4     -    95   101       9
   56050.21 to 56077.21       263   282    16     -    79   234

   BKG   8 R  2               140   136     5     -    61    68       9
   56050.21 to 56077.21       234   112     8     -    49    42

   GSFC  9 R  4                87    77     3     8    57    58       6
   56050.21 to 56065.27       125   191     9    14    31    42

   IAA   5 R  2                58    60     2     -    42    40       5
   56050.21 to 56062.21       276   140     8     -    48    18

   IAA   5 R  2                58    60     2     -    42    40       5
   56050.21 to 56062.21       276   140     8     -    48    18

   USNO 10 R  1               100    93     4     -    58    61       5
   56050.21 to 56062.21       157    67     9     -    39    31

   MAO   3 R  1                65    66     2     -    45    43       5
   56050.26 to 56062.16        82   346     8     -    77   107

   IVS   2 R  1 *              40    39     2     -    11    34      10
   56050.21 to 56077.21       162   118     7     -    19    37


 VLBI Intensive
   BKG   3 R  2 *               -     -    13     -     -     -      29
   56049.79 to 56078.79         -     -    15     -     -     -

   GSFC  9 R  2 *               -     -    15     -     -     -      27
   56049.79 to 56076.80         -     -    15     -     -     -

   IAA   5 R  1 *               -     -    15     -     -     -      12
   56049.79 to 56069.79         -     -    13     -     -     -

   PUL  10 R  0                 -     -    18     -     -     -      22
   56049.79 to 56078.79         -     -    14     -     -     -

   USNO  5 R  1 *               -     -    30     -     -     -      23
   56049.79 to 56078.79         -     -    19     -     -     -


 GPS
   CODE 98 P  1                 5     5     -     2     -     -      30
   56049.50 to 56078.50        16    16     -     6     -     -

   JPL  96 P  3                 8     8     -     5     -     -      30
   56049.50 to 56078.50        38    28     -     6     -     -

   GFZ  96 P  2                 5     5     -     1     -     -      30
   56049.50 to 56078.50        29    26     -     6     -     -

   ESOC 96 P  1                17    15     -     1     -     -      30
   56049.50 to 56078.50        32    28     -     6     -     -

   NOAA 96 P  1                 3     3     -     0     -     -      30
   56049.50 to 56078.50        55    44     -     7     -     -

   SIO  96 P  1                13    14     -     3     -     -      30
   56049.50 to 56078.50        28    22     -     9     -     -

   EMR  96 P  3                32    32     -     5     -     -      30
   56049.50 to 56078.50        38    23     -    11     -     -

   IAA   1 P  1                27    36     -     6     -     -      30
   56049.50 to 56078.50       115   153     -    32     -     -

   IGR  96 P  2 *              24    17     -     3     -     -      30
   56049.50 to 56078.50        21    22     -     5     -     -

   IGS   7 P  1 *               4     4     -     1     -     -      30
   56049.50 to 56078.50        18    14     -     4     -     -


 SLR
   MCC  97 L  1               147   143     -    18     -     -      27
   56049.00 to 56079.00       104   132     -   242     -     -

   IAA   2 L  1                34    39     -     2     -     -      31
   56049.00 to 56079.00       179   136     -    17     -     -

   CGS   3 L  2                66    66     -    15     -     -      30
   56049.50 to 56078.50       193   177     -    52     -     -

   PUL  10 L  0                41    46     -     4     -     -       1
   56049.50 to 56049.50     483647 483647     - 483647     -     -

   ILRS  5 L  1 *              46    56     -     9     -     -       4
   56049.50 to 56052.50        66   115     -    13     -     -


 BULLETIN A
   NEOS 97 C  1                30    25     6     -     -     -      31
   56049.00 to 56079.00        19    14    14     -     -     -

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