                                                                BULLETIN B 279
                                        			1 May 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      0.047    0.050    0.0071    0.042  0.105 
 
2011   3   2   55622   -0.704  229.376 -179.1860    0.120 -0.258    0.048    0.052    0.0048  0.029  0.072
2011   3   3   55623   -1.818  230.519 -180.0841    0.035 -0.197    0.048    0.052    0.0077  0.036  0.091
2011   3   4   55624   -2.620  231.967 -181.1598   -0.050 -0.141    0.049    0.053    0.0025  0.043  0.109
2011   3   5   55625   -3.077  233.518 -182.3075   -0.052 -0.168    0.049    0.053    0.0059  0.039  0.099
2011   3   6   55626   -3.417  235.516 -183.5123   -0.019 -0.230    0.050    0.053    0.0100  0.031  0.079
2011   3   7   55627   -4.515  237.514 -184.6863    0.017 -0.295    0.047    0.053    0.0075  0.023  0.057
2011   3   8   55628   -5.789  238.959 -185.7529    0.052 -0.350    0.047    0.054    0.0015  0.015  0.037
2011   3   9   55629   -6.960  240.529 -186.7184    0.097 -0.370    0.049    0.054    0.0090  0.018  0.044
2011   3  10   55630   -7.841  242.328 -187.6065    0.137 -0.372    0.050    0.055    0.0106  0.023  0.058
2011   3  11   55631   -8.881  244.267 -188.4108    0.168 -0.362    0.050    0.055    0.0029  0.028  0.071
2011   3  12   55632  -10.363  246.240 -189.1028    0.110 -0.331    0.050    0.054    0.0082  0.032  0.080
2011   3  13   55633  -11.733  248.001 -189.7047    0.018 -0.287    0.048    0.052    0.0132  0.035  0.088
2011   3  14   55634  -13.523  249.683 -190.2970   -0.071 -0.198    0.044    0.048    0.0110  0.038  0.095
2011   3  15   55635  -15.254  250.627 -191.0269   -0.159 -0.146    0.044    0.047    0.0067  0.041  0.102
2011   3  16   55636  -16.831  251.698 -191.9978   -0.238 -0.106    0.047    0.048    0.0020  0.044  0.110
2011   3  17   55637  -18.329  253.080 -193.2124   -0.157 -0.151    0.048    0.048    0.0012  0.040  0.100
2011   3  18   55638  -19.569  254.453 -194.6472   -0.026 -0.225    0.047    0.046    0.0015  0.034  0.086
2011   3  19   55639  -20.653  256.012 -196.2361   -0.001 -0.273    0.047    0.047    0.0083  0.032  0.080
2011   3  20   55640  -21.683  257.719 -197.8561   -0.014 -0.307    0.048    0.049    0.0149  0.031  0.077
2011   3  21   55641  -22.802  259.782 -199.3772   -0.025 -0.325    0.045    0.048    0.0121  0.029  0.072
2011   3  22   55642  -24.452  261.808 -200.7260   -0.041 -0.343    0.045    0.048    0.0029  0.027  0.069
2011   3  23   55643  -25.756  263.473 -201.8511   -0.042 -0.328    0.048    0.050    0.0073  0.027  0.068
2011   3  24   55644  -26.856  265.302 -202.7735   -0.042 -0.296    0.047    0.047    0.0113  0.026  0.066
2011   3  25   55645  -27.226  267.059 -203.5840   -0.046 -0.256    0.046    0.047    0.0034  0.025  0.064
2011   3  26   55646  -27.502  268.968 -204.4191   -0.031 -0.231    0.046    0.048    0.0083  0.022  0.056
2011   3  27   55647  -28.458  270.788 -205.3152   -0.008 -0.209    0.047    0.047    0.0155  0.019  0.047
2011   3  28   55648  -29.388  272.652 -206.3423    0.031 -0.165    0.045    0.047    0.0125  0.022  0.056
2011   3  29   55649  -30.322  274.328 -207.5319    0.056 -0.140    0.045    0.047    0.0027  0.022  0.055
2011   3  30   55650  -30.950  275.776 -208.8404    0.026 -0.124    0.049    0.050    0.0054  0.123  0.308
2011   3  31   55651  -31.761  277.479 -210.2397   -0.020 -0.120    0.050    0.050    0.0085  0.249  0.626
2011   4   1   55652  -33.078  279.086 -211.7082   -0.064 -0.073    0.050    0.050    0.0023  0.094  0.237

 Preliminary extension 
2011   4   2   55653  -34.729  280.642 -213.2020   -0.067 -0.099    0.050    0.051    0.0098  0.026  0.066
2011   4   3   55654  -36.200  281.946 -214.6833   -0.051 -0.164    0.046    0.048    0.0133  0.027  0.069
2011   4   4   55655  -37.491  283.616 -216.0556   -0.033 -0.226    0.042    0.045    0.0131  0.029  0.073
2011   4   5   55656  -39.366  285.432 -217.2522   -0.012 -0.282    0.043    0.045    0.0139  0.031  0.077
2011   4   6   55657  -41.398  287.007 -218.3247    0.009 -0.324    0.045    0.046    0.0129  0.032  0.081
2011   4   7   55658  -42.416  288.703 -219.2632    0.029 -0.351    0.045    0.046    0.0166  0.034  0.085
2011   4   8   55659  -42.959  290.935 -219.9908    0.046 -0.363    0.044    0.046    0.0041  0.035  0.088
2011   4   9   55660  -43.365  293.412 -220.7431   -0.004  0.019    0.045    0.046    0.0071  0.035  0.088
2011   4  10   55661  -43.332  295.700 -221.5137   -0.005  0.020    0.045    0.045    0.0140  0.035  0.088
2011   4  11   55662  -43.603  297.668 -222.3394   -0.004  0.020    0.043    0.044    0.0133  0.035  0.088
2011   4  12   55663  -43.929  299.594 -223.3214   -0.005  0.020    0.044    0.045    0.0110  0.035  0.088
2011   4  13   55664  -44.055  301.837 -224.4765   -0.005  0.019    0.043    0.044    0.0131  0.035  0.088
2011   4  14   55665  -44.189  304.194 -225.8100   -0.005  0.019    0.041    0.043    0.0105  0.035  0.088
2011   4  15   55666  -44.068  306.689 -227.2997   -0.005  0.019    0.042    0.043    0.0141  0.035  0.088
2011   4  16   55667  -43.888  309.379 -228.9245   -0.005  0.020    0.043    0.044    0.0135  0.035  0.088
2011   4  17   55668  -44.048  311.958 -230.5872   -0.005  0.019    0.083    0.081    0.0129  0.035  0.088
2011   4  18   55669  -44.222  314.366 -232.1204   -0.005  0.020    0.186    0.123    0.0165  0.035  0.088
2011   4  19   55670  -44.471  316.343 -233.4624   -0.005  0.019    0.224    0.156    0.0165  0.035  0.088
2011   4  20   55671  -44.632  318.431 -234.5423   -0.005  0.020    0.197    0.156    0.0072  0.035  0.088
2011   4  21   55672  -44.895  320.423 -235.3958   -0.005  0.019    0.155    0.160    0.0078  0.035  0.088
2011   4  22   55673  -45.069  322.230 -236.1387   -0.005  0.020    0.174    0.156    0.0084  0.035  0.088
2011   4  23   55674  -45.206  323.953 -236.8933   -0.005  0.020    0.170    0.112    0.0101  0.035  0.088
2011   4  24   55675  -45.837  325.833 -237.7018   -0.005  0.020    0.114    0.110    0.0177  0.035  0.088
2011   4  25   55676  -46.154  327.527 -238.5736   -0.005  0.020    0.125    0.169    0.0177  0.035  0.088
2011   4  26   55677  -46.025  329.234 -239.5322   -0.005  0.020    0.106    0.196    0.0137  0.035  0.088
2011   4  27   55678  -45.678  331.318 -240.5594   -0.005  0.019    0.162    0.182    0.0331  0.035  0.088
2011   4  28   55679  -45.437  333.637 -241.6463   -0.004  0.020    0.249    0.187    0.0331  0.035  0.088
2011   4  29   55680  -45.358  335.783 -242.7421    0.001  0.002 1000.000 1000.000 1000.0000 397.800 1000.000
2011   4  30   55681  -45.322  337.875 -243.9478    0.001  0.002 1000.000 1000.000 1000.0000 397.800 1000.000
2011   5   1   55682  -45.150  339.867 -245.1671    0.001  0.002 1000.000 1000.000 1000.0000 397.800 1000.000
 
	
 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   

2011   3   2   55622   -67.169    -8.710     0.089     0.072
2011   3   3   55623   -67.132    -8.540     0.114     0.091
2011   3   4   55624   -67.101    -8.333     0.138     0.109
2011   3   5   55625   -66.927    -8.288     0.125     0.099
2011   3   6   55626   -66.766    -8.460     0.098     0.079
2011   3   7   55627   -66.652    -8.773     0.077     0.057
2011   3   8   55628   -66.484    -9.069     0.048     0.037
2011   3   9   55629   -66.176    -9.257     0.070     0.044
2011   3  10   55630   -65.887    -9.425     0.104     0.058
2011   3  11   55631   -65.838    -9.639     0.138     0.071
2011   3  12   55632   -66.258    -9.803     0.149     0.080
2011   3  13   55633   -66.821    -9.789     0.152     0.088
2011   3  14   55634   -67.242    -9.605     0.154     0.095
2011   3  15   55635   -67.478    -9.563     0.157     0.102
2011   3  16   55636   -67.487    -9.739     0.162     0.110
2011   3  17   55637   -66.870    -9.964     0.139     0.100
2011   3  18   55638   -66.088    -9.867     0.110     0.086
2011   3  19   55639   -65.849    -9.465     0.100     0.080
2011   3  20   55640   -66.060    -9.180     0.097     0.077
2011   3  21   55641   -66.364    -9.258     0.089     0.072
2011   3  22   55642   -66.555    -9.562     0.087     0.069
2011   3  23   55643   -66.573    -9.825     0.087     0.068
2011   3  24   55644   -66.474   -10.045     0.086     0.066
2011   3  25   55645   -66.265   -10.293     0.086     0.064
2011   3  26   55646   -66.043   -10.520     0.094     0.056
2011   3  27   55647   -66.083   -10.581     0.104     0.047
2011   3  28   55648   -66.339   -10.464     0.083     0.056
2011   3  29   55649   -66.533   -10.348     0.082     0.055
2011   3  30   55650   -66.491   -10.293     0.085     0.308
2011   3  31   55651   -66.187   -10.236     0.089     0.626
2011   4   1   55652   -65.869   -10.064     0.093     0.237

 
 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   3   2   55622  0.8056  0.0117  15.04106703843    0.00000000204 
2011   3   3   55623  0.9737  0.0119  15.04106700916    0.00000000207 
2011   3   4   55624  1.1142  0.0121  15.04106698470    0.00000000211 
2011   3   5   55625  1.2007  0.0102  15.04106696964    0.00000000178 
2011   3   6   55626  1.1822  0.0095  15.04106697287    0.00000000165 
2011   3   7   55627  1.0802  0.0112  15.04106699062    0.00000000195 
2011   3   8   55628  0.9945  0.0110  15.04106700554    0.00000000191 
2011   3   9   55629  0.9050  0.0107  15.04106702112    0.00000000186 
2011   3  10   55630  0.8217  0.0116  15.04106703562    0.00000000202 
2011   3  11   55631  0.7474  0.0122  15.04106704856    0.00000000212 
2011   3  12   55632  0.6381  0.0105  15.04106706759    0.00000000183 
2011   3  13   55633  0.5735  0.0094  15.04106707883    0.00000000164 
2011   3  14   55634  0.6395  0.0096  15.04106706734    0.00000000167 
2011   3  15   55635  0.8488  0.0100  15.04106703091    0.00000000174 
2011   3  16   55636  1.0868  0.0110  15.04106698947    0.00000000191 
2011   3  17   55637  1.3544  0.0111  15.04106694289    0.00000000193 
2011   3  18   55638  1.5283  0.0109  15.04106691261    0.00000000190 
2011   3  19   55639  1.6170  0.0094  15.04106689717    0.00000000164 
2011   3  20   55640  1.5891  0.0091  15.04106690203    0.00000000158 
2011   3  21   55641  1.4605  0.0102  15.04106692442    0.00000000178 
2011   3  22   55642  1.2215  0.0104  15.04106696602    0.00000000181 
2011   3  23   55643  0.9586  0.0106  15.04106701179    0.00000000185 
2011   3  24   55644  0.8171  0.0107  15.04106703642    0.00000000186 
2011   3  25   55645  0.8379  0.0111  15.04106703280    0.00000000193 
2011   3  26   55646  0.8689  0.0093  15.04106702741    0.00000000162 
2011   3  27   55647  0.9447  0.0087  15.04106701421    0.00000000151 
2011   3  28   55648  1.0940  0.0103  15.04106698822    0.00000000179 
2011   3  29   55649  1.2438  0.0107  15.04106696214    0.00000000186 
2011   3  30   55650  1.3635  0.0109  15.04106694130    0.00000000190 
2011   3  31   55651  1.4331  0.0112  15.04106692919    0.00000000195 
2011   4   1   55652  1.4785  0.0113  15.04106692128    0.00000000197 


 4 - INFORMATION ON TIME SCALES      
     TAI - UTC = 34 s.  No leap second introduced during period [55622-55652]
     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               180   155     6     -   119   112       7
   55624.27 to 55649.21       102   181    14     -   211   223

   BKG   8 R  2               143   120     4     -    81    73       8
   55624.27 to 55649.21       234   265     7     -    32    21

   GSFC  9 R  4               132   112     4    12    79    73       8
   55624.27 to 55649.21       259   217     5    18    52    23

   IAA   5 R  2                89    88     4     -    64    63       8
   55624.27 to 55649.21       356   338    19     -   154    65

   SPBU  3 R  3               272   209     8     -   167   171       7
   55624.27 to 55649.21       164   425    14     -   204   232

   USNO 10 R  1               427   332    11     -   790   389       8
   55624.27 to 55649.21       248   106     3     -    88   130

   MAO   3 R  1                94    91     4     -    67    65       8
   55624.30 to 55649.20       242   154    16     -    86   116

   IVS   2 R  1 *              90    77     2     -    22    52       8
   55624.27 to 55649.21       224   183     2     -    13     8


 VLBI Intensive
   BKG   3 R  2 *               -     -    15     -     -     -      25
   55622.79 to 55651.79         -     -    22     -     -     -

   GSFC  9 R  2 *               -     -    16     -     -     -      26
   55622.79 to 55651.79         -     -    21     -     -     -

   IAA   5 R  1 *               -     -    15     -     -     -      23
   55622.79 to 55651.79         -     -    15     -     -     -

   PUL  10 R  0                 -     -    15     -     -     -      24
   55622.79 to 55651.79         -     -    19     -     -     -

   USNO  5 R  1 *               -     -    16     -     -     -      26
   55622.79 to 55651.79         -     -    22     -     -     -


 GPS
   CODE 98 P  1                 4     4     -     2     -     -      30
   55622.50 to 55651.50        19    21     -    12     -     -

   JPL  96 P  3                 9    10     -     7     -     -      30
   55622.50 to 55651.50        47    37     -    13     -     -

   GFZ  96 P  2                 5     6     -     1     -     -      30
   55622.50 to 55651.50        30    32     -    14     -     -

   ESOC 96 P  1                12    10     -     1     -     -      30
   55622.50 to 55651.50        43    51     -    12     -     -

   NOAA 96 P  1                 3     3     -    35     -     -      30
   55622.50 to 55651.50        73    68     -    12     -     -

   SIO  96 P  1                14    14     -     4     -     -      30
   55622.50 to 55651.50        35    53     -    30     -     -

   EMR  96 P  3                33    34     -     6     -     -      30
   55622.50 to 55651.50        36    32     -    10     -     -

   IAA   1 P  1                30    35     -     6     -     -      30
   55622.50 to 55651.50       149   178     -    40     -     -

   IGR  96 P  2 *              35    19     -     4     -     -      30
   55622.50 to 55651.50        27    30     -     8     -     -

   IGS   7 P  1 *              30    29     -     7     -     -      30
   55622.50 to 55651.50        23    24     -    14     -     -


 SLR
   MCC  97 L  1               160   170     -    16     -     -      31
   55622.00 to 55652.00       124   152     -   160     -     -

   IAA   2 L  1                37    41     -     2     -     -      31
   55622.00 to 55652.00       160   206     -    16     -     -

   ASI   3 L  2                74    78     -    18     -     -      30
   55622.50 to 55651.50       188   196     -    79     -     -

   PUL  10 L  0                38    39     -     2     -     -      31
   55622.03 to 55651.51       188   128     -    21     -     -

   ILRS  5 L  1 *              90    83     -    16     -     -      18
   55622.50 to 55639.50       139   133     -    37     -     -


 BULLETIN A
   NEOS 97 C  1                52    48     8     -     -     -      31
   55622.00 to 55652.00        36    27    14     -     -     -

To unsubscribe : http://hpiers.obspm.fr/eop-pc/products/bulletins/bulletin_registration.html