                                                                BULLETIN B 277
                                        			2 March 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      0.062    0.067    0.0067    0.024  0.053 
 
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  117.709  200.421 -141.3342    0.209 -0.182    0.065    0.073    0.0072  0.016  0.040
2011   1   6   55567  113.721  199.870 -141.6388    0.188 -0.200    0.063    0.072    0.0122  0.021  0.053
2011   1   7   55568  110.132  199.306 -142.0731    0.171 -0.212    0.063    0.074    0.0030  0.027  0.067
2011   1   8   55569  106.321  198.744 -142.5752    0.170 -0.214    0.066    0.076    0.0050  0.025  0.063
2011   1   9   55570  103.156  197.643 -143.1293    0.177 -0.206    0.069    0.075    0.0063  0.021  0.053
2011   1  10   55571  101.123  196.748 -143.7233    0.184 -0.188    0.068    0.072    0.0041  0.017  0.043
2011   1  11   55572   99.990  196.055 -144.3244    0.185 -0.163    0.066    0.073    0.0010  0.013  0.032
2011   1  12   55573   99.069  195.991 -144.9059    0.310 -0.132    0.068    0.074    0.0163  0.018  0.046
2011   1  13   55574   97.628  196.062 -145.4623    0.461 -0.108    0.069    0.074    0.0251  0.026  0.066
2011   1  14   55575   95.296  196.053 -145.9557    0.596 -0.092    0.069    0.075    0.0060  0.034  0.086
2011   1  15   55576   92.303  195.800 -146.3083    0.565 -0.127    0.070    0.071    0.0067  0.033  0.082
2011   1  16   55577   88.865  195.785 -146.6288    0.459 -0.187    0.068    0.069    0.0098  0.028  0.070
2011   1  17   55578   84.960  195.525 -146.8848    0.345 -0.250    0.063    0.067    0.0079  0.027  0.069
2011   1  18   55579   81.333  194.985 -147.1541    0.217 -0.308    0.062    0.068    0.0045  0.021  0.054
2011   1  19   55580   77.923  194.852 -147.5527    0.085 -0.355    0.066    0.071    0.0011  0.016  0.040
2011   1  20   55581   74.634  194.791 -148.0899    0.109 -0.315    0.065    0.069    0.0005  0.017  0.043
2011   1  21   55582   71.338  194.748 -148.8032    0.181 -0.243    0.066    0.069    0.0006  0.020  0.050
2011   1  22   55583   67.894  194.465 -149.7176    0.183 -0.215    0.068    0.070    0.0071  0.020  0.050
2011   1  23   55584   64.833  194.659 -150.8191    0.164 -0.202    0.064    0.065    0.0122  0.019  0.047
2011   1  24   55585   61.645  194.950 -151.9938    0.141 -0.173    0.055    0.057    0.0088  0.018  0.046
2011   1  25   55586   58.617  195.623 -153.0892    0.134 -0.157    0.055    0.057    0.0018  0.017  0.043
2011   1  26   55587   55.376  196.352 -154.0010    0.161 -0.163    0.057    0.060    0.0112  0.020  0.050
2011   1  27   55588   52.398  197.282 -154.7086    0.197 -0.181    0.058    0.060    0.0132  0.025  0.062
2011   1  28   55589   49.398  198.120 -155.2226    0.231 -0.204    0.058    0.061    0.0035  0.029  0.074
2011   1  29   55590   47.560  198.571 -155.5677    0.233 -0.240    0.061    0.059    0.0066  0.028  0.070
2011   1  30   55591   46.047  199.356 -155.8653    0.217 -0.277    0.059    0.056    0.0090  0.023  0.059
2011   1  31   55592   45.117  199.770 -156.1874    0.192 -0.306    0.048    0.054    0.0058  0.019  0.048
2011   2   1   55593   44.422  200.692 -156.5684    0.164 -0.325    0.047    0.052    0.0013  0.015  0.037

 Preliminary extension 
2011   2   2   55594   43.658  201.444 -157.0526    0.133 -0.266    0.047    0.053    0.0053  0.018  0.044
2011   2   3   55595   42.804  202.285 -157.6721    0.100 -0.182    0.047    0.056    0.0087  0.022  0.055
2011   2   4   55596   41.544  202.573 -158.4166    0.069 -0.090    0.047    0.055    0.0023  0.027  0.067
2011   2   5   55597   40.223  202.926 -159.2174    0.081 -0.057    0.047    0.054    0.0066  0.027  0.067
2011   2   6   55598   39.054  203.376 -160.0004    0.110 -0.047    0.046    0.051    0.0091  0.025  0.063
2011   2   7   55599   38.217  204.342 -160.7532    0.138 -0.042    0.045    0.049    0.0060  0.023  0.059
2011   2   8   55600   37.486  205.730 -161.4606    0.166 -0.041    0.044    0.050    0.0014  0.022  0.056
2011   2   9   55601   36.205  207.292 -162.0831    0.170 -0.097    0.042    0.047    0.0036  0.022  0.055
2011   2  10   55602   34.268  208.602 -162.6208    0.168 -0.172    0.042    0.047    0.0070  0.022  0.055
2011   2  11   55603   32.122  209.577 -163.0804    0.169 -0.252    0.043    0.049    0.0104  0.022  0.055
2011   2  12   55604   30.684  210.475 -163.4584   -0.004  0.019    0.044    0.049    0.0152  0.031  0.078
2011   2  13   55605   29.417  211.583 -163.8063   -0.005  0.019    0.071    0.102    0.0127  0.035  0.087
2011   2  14   55606   27.769  212.367 -164.1631   -0.004  0.019    0.134    0.148    0.0120  0.035  0.087
2011   2  15   55607   26.155  213.151 -164.6460   -0.005  0.019    0.173    0.119    0.0095  0.035  0.087
2011   2  16   55608   24.979  214.466 -165.3792   -0.004  0.018    0.192    0.067    0.0111  0.035  0.087
2011   2  17   55609   23.435  216.241 -166.3702   -0.004  0.019    0.225    0.077    0.0121  0.035  0.087
2011   2  18   55610   21.838  217.879 -167.6706   -0.004  0.019    0.290    0.123    0.0133  0.035  0.087
2011   2  19   55611   20.059  218.910 -169.1520   -0.005  0.019    0.323    0.158    0.0122  0.035  0.087
2011   2  20   55612   18.589  220.023 -170.7399   -0.005  0.019    0.258    0.249    0.0084  0.035  0.087
2011   2  21   55613   16.791  220.729 -172.3679   -0.005  0.019    0.170    0.232    0.0143  0.035  0.087
2011   2  22   55614   15.277  221.262 -173.8113   -0.005  0.019    0.205    0.084    0.0181  0.035  0.087
2011   2  23   55615   13.718  221.990 -175.0037   -0.005  0.019    0.254    0.067    0.0102  0.035  0.087
2011   2  24   55616   12.482  222.892 -175.8462   -0.005  0.019    0.537    0.130    0.0176  0.035  0.087
2011   2  25   55617   10.436  223.956 -176.4813   -0.005  0.019    0.528    0.175    0.0346  0.035  0.087
2011   2  26   55618    7.586  224.732 -176.9602   -0.005  0.019    0.253    0.197    0.0203  0.035  0.087
2011   2  27   55619    5.043  225.684 -177.3434   -0.005  0.019    0.312    0.218    0.0081  0.035  0.087
2011   2  28   55620    2.642  226.892 -178.0070   -0.005  0.019    0.316    0.244    0.0251  0.035  0.087
2011   3   1   55621    0.831  228.320 -178.7530   -0.005  0.019    0.686    0.668    0.0251  0.035  0.087
 
	
 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   

2011   1   2   55563   -67.570    -6.267     0.053     0.049
2011   1   3   55564   -67.243    -6.411     0.042     0.040
2011   1   4   55565   -66.821    -6.389     0.032     0.031
2011   1   5   55566   -66.573    -6.190     0.051     0.040
2011   1   6   55567   -66.469    -5.958     0.068     0.053
2011   1   7   55568   -66.436    -5.859     0.084     0.067
2011   1   8   55569   -66.437    -5.942     0.079     0.063
2011   1   9   55570   -66.538    -6.107     0.067     0.053
2011   1  10   55571   -66.737    -6.206     0.055     0.043
2011   1  11   55572   -66.930    -6.195     0.042     0.032
2011   1  12   55573   -66.709    -6.169     0.044     0.046
2011   1  13   55574   -66.369    -6.239     0.064     0.066
2011   1  14   55575   -66.113    -6.366     0.083     0.086
2011   1  15   55576   -66.338    -6.452     0.079     0.082
2011   1  16   55577   -66.761    -6.424     0.066     0.070
2011   1  17   55578   -67.162    -6.423     0.074     0.069
2011   1  18   55579   -67.467    -6.628     0.056     0.054
2011   1  19   55580   -67.537    -6.987     0.043     0.040
2011   1  20   55581   -66.993    -7.141     0.056     0.043
2011   1  21   55582   -66.354    -6.950     0.077     0.050
2011   1  22   55583   -66.205    -6.606     0.076     0.050
2011   1  23   55584   -66.462    -6.351     0.068     0.047
2011   1  24   55585   -66.856    -6.282     0.055     0.046
2011   1  25   55586   -67.113    -6.348     0.047     0.043
2011   1  26   55587   -67.136    -6.450     0.054     0.050
2011   1  27   55588   -67.090    -6.559     0.065     0.062
2011   1  28   55589   -67.112    -6.699     0.076     0.074
2011   1  29   55590   -67.269    -6.880     0.073     0.070
2011   1  30   55591   -67.393    -7.059     0.063     0.059
2011   1  31   55592   -67.357    -7.185     0.054     0.048
2011   2   1   55593   -67.196    -7.209     0.045     0.037

 
 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

2011   1   2   55563  0.2159  0.0128  15.04106714109    0.00000000223 
2011   1   3   55564  0.1695  0.0132  15.04106714916    0.00000000230 
2011   1   4   55565  0.2041  0.0141  15.04106714314    0.00000000245 
2011   1   5   55566  0.2509  0.0149  15.04106713499    0.00000000259 
2011   1   6   55567  0.3655  0.0141  15.04106711504    0.00000000245 
2011   1   7   55568  0.4804  0.0129  15.04106709504    0.00000000225 
2011   1   8   55569  0.5477  0.0126  15.04106708332    0.00000000219 
2011   1   9   55570  0.5790  0.0137  15.04106707787    0.00000000238 
2011   1  10   55571  0.5888  0.0138  15.04106707617    0.00000000240 
2011   1  11   55572  0.5784  0.0136  15.04106707798    0.00000000237 
2011   1  12   55573  0.5602  0.0146  15.04106708115    0.00000000254 
2011   1  13   55574  0.5248  0.0153  15.04106708731    0.00000000266 
2011   1  14   55575  0.4363  0.0149  15.04106710272    0.00000000259 
2011   1  15   55576  0.3419  0.0149  15.04106711915    0.00000000259 
2011   1  16   55577  0.2889  0.0135  15.04106712838    0.00000000235 
2011   1  17   55578  0.2550  0.0121  15.04106713428    0.00000000211 
2011   1  18   55579  0.3412  0.0114  15.04106711927    0.00000000198 
2011   1  19   55580  0.4297  0.0125  15.04106710387    0.00000000218 
2011   1  20   55581  0.6050  0.0136  15.04106707335    0.00000000237 
2011   1  21   55582  0.8462  0.0133  15.04106703136    0.00000000232 
2011   1  22   55583  1.0362  0.0138  15.04106699828    0.00000000240 
2011   1  23   55584  1.1367  0.0134  15.04106698079    0.00000000233 
2011   1  24   55585  1.1037  0.0129  15.04106698653    0.00000000225 
2011   1  25   55586  0.9805  0.0126  15.04106700798    0.00000000219 
2011   1  26   55587  0.7995  0.0122  15.04106703949    0.00000000212 
2011   1  27   55588  0.5870  0.0128  15.04106707648    0.00000000223 
2011   1  28   55589  0.3671  0.0120  15.04106711476    0.00000000209 
2011   1  29   55590  0.3197  0.0112  15.04106712301    0.00000000195 
2011   1  30   55591  0.3114  0.0120  15.04106712446    0.00000000209 
2011   1  31   55592  0.3325  0.0111  15.04106712079    0.00000000193 
2011   2   1   55593  0.4099  0.0108  15.04106710731    0.00000000188 


 4 - INFORMATION ON TIME SCALES      
     TAI - UTC = 34 s.  No leap second introduced during period [55563-55593]
     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               117    93     2     -    84    88       8
   55565.21 to 55589.27       319   378     8     -   308   241

   BKG   8 R  2                93    86     2     -    61    63       8
   55565.21 to 55589.27       100    92     2     -    47    31

   GSFC  9 R  4                91    84     3     9    56    59       9
   55565.21 to 55589.27       119   109     8    22    40    78

   IAA   5 R  2                88    76     2     -    58    59       7
   55565.21 to 55589.27       217   337    11     -    95    91

   SPBU  3 R  3               121    97     3     -    89    93       8
   55565.21 to 55589.27       280   317     6     -   143   305

   USNO 10 R  1                96    77     2     -   192    81       8
   55565.21 to 55589.27       159   113     4     -    36    50

   MAO   3 R  1                75    64     2     -    49    51       8
   55565.21 to 55589.30       103   166     7     -    85    66

   IVS   2 R  1 *              50    41     1     -    15    40       8
   55565.21 to 55589.27       183   106     2     -    18     9


 VLBI Intensive
   BKG   3 R  2 *               -     -    13     -     -     -      28
   55564.31 to 55592.79         -     -    24     -     -     -

   GSFC  9 R  2 *               -     -    16     -     -     -      28
   55564.31 to 55592.79         -     -    24     -     -     -

   IAA   5 R  1 *               -     -    18     -     -     -      15
   55564.79 to 55592.79         -     -    23     -     -     -

   PUL  10 R  0                 -     -    14     -     -     -      26
   55564.31 to 55592.79         -     -    21     -     -     -

   USNO  5 R  1 *               -     -    15     -     -     -      28
   55564.31 to 55592.79         -     -    21     -     -     -


 GPS
   CODE 98 P  1                 4     4     -     2     -     -      30
   55563.50 to 55592.50        21    27     -    12     -     -

   JPL  96 P  3                 9    10     -     4     -     -      30
   55563.50 to 55592.50        48    40     -    19     -     -

   GFZ  96 P  2                 5     6     -     1     -     -      30
   55563.50 to 55592.50        38    35     -    10     -     -

   ESOC 96 P  1                12    10     -     1     -     -      30
   55563.50 to 55592.50        46    54     -    11     -     -

   NOAA 96 P  1                 3     3     -    31     -     -      30
   55563.50 to 55592.50        60    61     -    15     -     -

   SIO  96 P  1                14    15     -     3     -     -      30
   55563.50 to 55592.50        39    41     -    10     -     -

   EMR  96 P  3                32    33     -     5     -     -      30
   55563.50 to 55592.50        40    43     -    12     -     -

   IAA   1 P  1                31    36     -     6     -     -      30
   55563.50 to 55592.50       121   118     -    35     -     -

   IGR  96 P  2 *              26    21     -     4     -     -      30
   55563.50 to 55592.50        25    31     -     7     -     -

   IGS   7 P  1 *              40    40     -    10     -     -      30
   55563.50 to 55592.50        24    30     -     9     -     -


 SLR
   MCC  97 L  1               167   174     -    21     -     -      31
   55563.00 to 55593.00       130   206     -    71     -     -

   IAA   2 L  1                35    36     -     2     -     -      31
   55563.00 to 55593.00       172   156     -    21     -     -

   ASI   3 L  2               104   114     -    67     -     -      30
   55563.50 to 55592.50       248   305     -   102     -     -

   PUL  10 L  0                35    36     -     2     -     -      30
   55563.78 to 55592.29       128   126     -    19     -     -

   ILRS  5 L  1 *              62    62     -    62     -     -      31
   55563.50 to 55592.50       158   186     -    28     -     -


 BULLETIN A
   NEOS 97 C  1                59    50     5     -     -     -      31
   55563.00 to 55593.00        44    53     9     -     -     -

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