                                                                BULLETIN B 267
                                        			1 May 2010   
    
 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). 
 The reference systems are described in the 2006 IERS Annual Report.
 
       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      0.013    0.019    0.0393    0.077  0.149 
 
2010   3   2   55257  -35.888  257.756   50.9209   -0.235 -0.066    0.016    0.019    0.0185  0.049  0.122
2010   3   3   55258  -36.932  259.932   49.0291   -0.173 -0.173    0.015    0.024    0.0233  0.049  0.122
2010   3   4   55259  -38.283  261.937   47.3894   -0.092 -0.223    0.015    0.039    0.0480  0.080  0.200
2010   3   5   55260  -39.104  263.964   46.0213   -0.062 -0.216    0.015    0.025    0.0402  0.098  0.246
2010   3   6   55261  -39.931  266.037   44.9191   -0.117 -0.193    0.015    0.020    0.0475  0.098  0.247
2010   3   7   55262  -41.341  267.786   44.0256   -0.221 -0.194    0.015    0.019    0.0513  0.093  0.234
2010   3   8   55263  -42.957  269.513   43.2576   -0.277 -0.207    0.015    0.018    0.0261  0.072  0.182
2010   3   9   55264  -44.842  271.081   42.4582   -0.244 -0.205    0.014    0.017    0.0171  0.072  0.182
2010   3  10   55265  -46.171  272.487   41.5510   -0.129 -0.172    0.014    0.012    0.0216  0.062  0.155
2010   3  11   55266  -47.089  274.022   40.5968   -0.002 -0.113    0.014    0.012    0.0396  0.056  0.142
2010   3  12   55267  -48.049  275.788   39.5876    0.055 -0.041    0.015    0.016    0.0273  0.056  0.140
2010   3  13   55268  -48.738  277.751   38.4749    0.010  0.023    0.018    0.018    0.0377  0.056  0.140
2010   3  14   55269  -49.647  280.167   37.3622   -0.099  0.051    0.018    0.019    0.0547  0.056  0.142
2010   3  15   55270  -50.861  282.828   36.2579   -0.185  0.015    0.014    0.023    0.0605  0.066  0.165
2010   3  16   55271  -51.878  285.476   35.0798   -0.208 -0.088    0.013    0.021    0.0683  0.066  0.165
2010   3  17   55272  -52.567  287.766   33.8204   -0.158 -0.206    0.013    0.017    0.0673  0.062  0.155
2010   3  18   55273  -53.218  289.712   32.5868   -0.080 -0.272    0.013    0.021    0.0579  0.075  0.188
2010   3  19   55274  -53.919  291.218   31.4854   -0.028 -0.245    0.016    0.036    0.0559  0.078  0.197
2010   3  20   55275  -54.408  292.530   30.5703   -0.034 -0.130    0.016    0.023    0.0573  0.078  0.197
2010   3  21   55276  -54.523  294.192   29.8318   -0.079  0.012    0.013    0.017    0.0588  0.070  0.176
2010   3  22   55277  -54.456  296.142   29.2255   -0.112  0.106    0.012    0.016    0.0627  0.046  0.115
2010   3  23   55278  -54.697  298.362   28.6739   -0.120  0.113    0.012    0.021    0.0620  0.046  0.115
2010   3  24   55279  -55.169  300.864   28.0534   -0.105  0.028    0.012    0.020    0.0158  0.045  0.113
2010   3  25   55280  -56.005  303.677   27.2573   -0.093 -0.103    0.013    0.020    0.0244  0.039  0.098
2010   3  26   55281  -57.020  306.236   26.1311   -0.113 -0.217    0.012    0.017    0.0170  0.038  0.095
2010   3  27   55282  -57.652  308.316   24.6664   -0.164 -0.260    0.012    0.020    0.0237  0.038  0.095
2010   3  28   55283  -58.284  310.529   22.9418   -0.209 -0.220    0.012    0.021    0.0340  0.037  0.094
2010   3  29   55284  -58.909  312.750   21.0291   -0.199 -0.122    0.012    0.017    0.0275  0.034  0.086
2010   3  30   55285  -59.927  314.965   19.0501   -0.169 -0.046    0.012    0.016    0.0176  0.034  0.086
2010   3  31   55286  -60.815  316.919   17.2153   -0.135 -0.030    0.012    0.015    0.0208  0.037  0.094
2010   4   1   55287  -61.106  319.287   15.7173   -0.118 -0.053    0.012    0.014    0.0349  0.053  0.133

 Preliminary extension 
2010   4   2   55288  -61.586  322.062   14.5508   -0.134 -0.063    0.012    0.014    0.0478  0.054  0.137
2010   4   3   55289  -62.166  324.699   13.6385   -0.175 -0.034    0.012    0.015    0.0550  0.054  0.137
2010   4   4   55290  -62.934  327.326   12.8515   -0.225  0.017    0.014    0.017    0.0626  0.055  0.139
2010   4   5   55291  -64.157  329.549   12.0736   -0.276  0.039    0.014    0.018    0.0599  0.072  0.182
2010   4   6   55292  -65.845  331.370   11.2179   -0.315 -0.009    0.014    0.018    0.0163  0.073  0.184
2010   4   7   55293  -67.129  332.965   10.2380   -0.317 -0.121    0.014    0.021    0.0171  0.079  0.198
2010   4   8   55294  -67.821  334.949    9.1173   -0.267 -0.224    0.013    0.021    0.0227  0.091  0.228
2010   4   9   55295  -68.213  337.283    7.8664   -0.215 -0.160    0.013    0.018    0.0270  0.062  0.155
2010   4  10   55296  -68.478  339.738    6.4999   -0.153  0.003    0.013    0.022    0.0363  0.051  0.128
2010   4  11   55297  -68.338  342.313    5.0485   -0.091  0.141    0.013    0.023    0.0428  0.051  0.129
2010   4  12   55298  -68.137  345.135    3.5257   -0.059  0.204    0.013    0.018    0.0370  0.072  0.181
2010   4  13   55299  -68.137  348.054    1.9525   -0.057  0.194    0.013    0.017    0.0353  0.072  0.182
2010   4  14   55300  -68.433  350.783    0.3831   -0.070  0.132    0.012    0.017    0.0527  0.072  0.182
2010   4  15   55301  -68.910  353.176   -1.1050   -0.074  0.053    0.013    0.017    0.0593  0.111  0.279
2010   4  16   55302  -68.878  355.300   -2.4758   -0.054  0.004    0.016    0.016    0.0458  0.137  0.344
2010   4  17   55303  -69.045  357.540   -3.6842   -0.004  0.014    0.017    0.016    0.0440  0.239  0.601
2010   4  18   55304  -69.221  359.724   -4.7789   -0.004  0.014    0.019    0.020    0.0395  0.239  0.601
2010   4  19   55305  -68.995  362.044   -5.8126   -0.004  0.014    0.045    0.040    0.0440  0.239  0.601
2010   4  20   55306  -68.834  364.656   -6.8521   -0.003  0.014    0.097    0.071    0.0581  0.239  0.601
2010   4  21   55307  -68.908  366.995   -8.0019   -0.004  0.014    0.145    0.077    0.0948  0.239  0.601
2010   4  22   55308  -69.350  369.365   -9.3805   -0.004  0.014    0.100    0.093    0.1215  0.239  0.601
2010   4  23   55309  -69.933  371.889  -10.9784   -0.004  0.014    0.106    0.136    0.1058  0.239  0.601
2010   4  24   55310  -70.243  374.096  -12.7417   -0.004  0.015    0.171    0.162    0.0720  0.239  0.601
2010   4  25   55311  -70.762  376.344  -14.6108   -0.004  0.015    0.110    0.163    0.0691  0.239  0.601
2010   4  26   55312  -71.088  378.601  -16.4808   -0.004  0.014    0.107    0.153    0.0954  0.239  0.601
2010   4  27   55313  -70.861  380.994  -18.2644   -0.004  0.015    0.168    0.134    0.1490  0.239  0.601
2010   4  28   55314  -70.771  383.481  -19.8687   -0.004  0.015    0.192    0.131    0.2624  0.239  0.601
2010   4  29   55315  -71.105  385.672  -21.2151   -0.004  0.014    0.177    0.154    0.3039  0.239  0.601
2010   4  30   55316  -70.985  388.005  -22.3328    0.000  0.002 1000.000 1000.000 1000.0000 397.800 1000.000
2010   5   1   55317  -69.880  390.437  -23.2449    0.000  0.001 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   

2010   3   2   55257   -64.176    -6.796     0.225     0.122
2010   3   3   55258   -64.222    -6.983     0.226     0.122
2010   3   4   55259   -64.293    -7.159     0.298     0.200
2010   3   5   55260   -64.390    -7.336     0.324     0.246
2010   3   6   55261   -64.417    -7.614     0.324     0.247
2010   3   7   55262   -64.392    -7.943     0.299     0.234
2010   3   8   55263   -64.409    -8.153     0.214     0.182
2010   3   9   55264   -64.492    -8.191     0.214     0.182
2010   3  10   55265   -64.401    -8.149     0.214     0.155
2010   3  11   55266   -64.021    -8.096     0.203     0.142
2010   3  12   55267   -63.557    -7.984     0.201     0.140
2010   3  13   55268   -63.307    -7.766     0.201     0.140
2010   3  14   55269   -63.322    -7.546     0.203     0.142
2010   3  15   55270   -63.397    -7.532     0.213     0.165
2010   3  16   55271   -63.401    -7.812     0.213     0.165
2010   3  17   55272   -63.284    -8.219     0.213     0.155
2010   3  18   55273   -63.104    -8.499     0.177     0.188
2010   3  19   55274   -62.936    -8.533     0.172     0.197
2010   3  20   55275   -62.890    -8.392     0.172     0.197
2010   3  21   55276   -63.044    -8.240     0.168     0.176
2010   3  22   55277   -63.336    -8.207     0.149     0.115
2010   3  23   55278   -63.639    -8.365     0.149     0.115
2010   3  24   55279   -63.767    -8.755     0.142     0.113
2010   3  25   55280   -63.635    -9.285     0.155     0.098
2010   3  26   55281   -63.333    -9.680     0.158     0.095
2010   3  27   55282   -63.050    -9.650     0.158     0.095
2010   3  28   55283   -62.939    -9.198     0.149     0.094
2010   3  29   55284   -62.954    -8.655     0.114     0.086
2010   3  30   55285   -63.078    -8.405     0.114     0.086
2010   3  31   55286   -63.210    -8.518     0.123     0.094
2010   4   1   55287   -63.317    -8.805     0.156     0.133

 
 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   3   2   55257  2.0008  0.0023  15.04106683036    0.00000000040 
2010   3   3   55258  1.7548  0.0022  15.04106687318    0.00000000038 
2010   3   4   55259  1.4776  0.0023  15.04106692144    0.00000000040 
2010   3   5   55260  1.2055  0.0022  15.04106696881    0.00000000038 
2010   3   6   55261  0.9666  0.0022  15.04106701040    0.00000000038 
2010   3   7   55262  0.8211  0.0022  15.04106703573    0.00000000038 
2010   3   8   55263  0.7631  0.0022  15.04106704582    0.00000000038 
2010   3   9   55264  0.8364  0.0022  15.04106703306    0.00000000038 
2010   3  10   55265  0.9253  0.0022  15.04106701759    0.00000000038 
2010   3  11   55266  0.9827  0.0023  15.04106700760    0.00000000040 
2010   3  12   55267  1.0913  0.0022  15.04106698869    0.00000000038 
2010   3  13   55268  1.1363  0.0022  15.04106698086    0.00000000038 
2010   3  14   55269  1.1201  0.0021  15.04106698368    0.00000000037 
2010   3  15   55270  1.1643  0.0020  15.04106697598    0.00000000035 
2010   3  16   55271  1.2107  0.0021  15.04106696790    0.00000000037 
2010   3  17   55272  1.2396  0.0021  15.04106696287    0.00000000037 
2010   3  18   55273  1.1762  0.0020  15.04106697391    0.00000000035 
2010   3  19   55274  0.9807  0.0020  15.04106700794    0.00000000035 
2010   3  20   55275  0.8169  0.0020  15.04106703646    0.00000000035 
2010   3  21   55276  0.6733  0.0019  15.04106706146    0.00000000033 
2010   3  22   55277  0.5584  0.0019  15.04106708146    0.00000000033 
2010   3  23   55278  0.5350  0.0019  15.04106708553    0.00000000033 
2010   3  24   55279  0.6588  0.0018  15.04106706398    0.00000000031 
2010   3  25   55280  0.9540  0.0018  15.04106701259    0.00000000031 
2010   3  26   55281  1.3046  0.0019  15.04106695156    0.00000000033 
2010   3  27   55282  1.6142  0.0019  15.04106689766    0.00000000033 
2010   3  28   55283  1.8512  0.0018  15.04106685640    0.00000000031 
2010   3  29   55284  1.9790  0.0018  15.04106683415    0.00000000031 
2010   3  30   55285  1.9111  0.0019  15.04106684597    0.00000000033 
2010   3  31   55286  1.6414  0.0019  15.04106689292    0.00000000033 
2010   4   1   55287  1.3068  0.0018  15.04106695117    0.00000000031 


 4 - INFORMATION ON TIME SCALES      
     TAI - UTC = 34 s.  No leap second introduced during period [55257-55287]
     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                78    69     2     -    59    65       9
   55257.21 to 55285.21       170   140     9     -   100    70

   BKG   8 R  2 *              59    60     2     -    42    47       9
   55257.21 to 55285.21       140    50     7     -    60    40

   GSFC  9 R  4 *             158   143     9    29    87    84      10
   55257.21 to 55285.21       170   110    47    14    60    80

   IAA   5 R  2 *              65    59     2     -    44    47       9
   55257.21 to 55285.21       200   120     7     -    40    50

   SPBU  3 R  3 *              89    79     2     -    65    74       9
   55257.21 to 55285.21       200   170     8     -    90    70

   USNO  6 R  2 *              66    57     2     -   144    65       9
   55257.21 to 55285.21       130    60     6     -    30   110

   MAO   3 R  1 *              76    70     2     -    51    54       9
   55257.22 to 55285.21       170    50     6     -    70    90

   IVS   2 R  1 *              39    34     1     -    30    34       9
   55257.21 to 55285.21       110    70     7     -    40    20


 VLBI Intensive
   BKG   3 R  2 *               -     -     9     -     -     -      29
   55257.79 to 55286.79         -     -    22     -     -     -

   GSFC  9 R  2 *               -     -    10     -     -     -      29
   55257.79 to 55286.79         -     -    20     -     -     -

   IAA   5 R  1 *               -     -     8     -     -     -      24
   55257.79 to 55286.79         -     -    17     -     -     -

   USNO  5 R  1 *               -     -     9     -     -     -      29
   55257.79 to 55286.79         -     -    22     -     -     -


 GPS
   CODE 98 P  1                 5     5     -     2     -     -      30
   55257.50 to 55286.50        20    20     -    12     -     -

   JPL  96 P  3                10    12     -     6     -     -      30
   55257.50 to 55286.50        30    20     -    16     -     -

   GFZ  96 P  2                 5     6     -     1     -     -      30
   55257.50 to 55286.50        20    20     -     9     -     -

   ESOC 96 P  1                13    10     -     1     -     -      30
   55257.50 to 55286.50        30    30     -    10     -     -

   NOAA 96 P  1                 3     4     -    32     -     -      30
   55257.50 to 55286.50        50    70     -     9     -     -

   SIO  96 P  1                14    14     -     3     -     -      30
   55257.50 to 55286.50        30    20     -    16     -     -

   EMR  96 P  3                34    36     -     6     -     -      30
   55257.50 to 55286.50        50    20     -    12     -     -

   IAA   1 P  1                30    32     -     5     -     -      30
   55257.50 to 55286.50       130   180     -    22     -     -

   IGS  96 P  2 *              23    16     -     5     -     -      30
   55257.50 to 55286.50        30    20     -     9     -     -

   IGS   7 P  1 *              30    29     -     7     -     -      30
   55257.50 to 55286.50        20    10     -     8     -     -


 SLR
   MCC  97 L  1               147   163     -    20     -     -      31
   55257.00 to 55287.00        90   180     -   172     -     -

   IAA   2 L  1                40    39     -     2     -     -      31
   55257.00 to 55287.00       140   140     -    26     -     -

   ASI   3 L  2                84    85     -    17     -     -      30
   55257.50 to 55286.50       240   290     -    59     -     -

   ILRS  5 L  1 *              59    59     -    59     -     -      30
   55257.50 to 55286.50       150   140     -    31     -     -


 BULLETIN A
   NEOS 97 C  1                52    39     5     -     -     -      31
   55257.00 to 55287.00        40    20     7     -     -     -

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