                                                                BULLETIN B 268
                                        			2 June 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      0.017    0.017    0.0417    0.087  0.168 
 
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  -64.156  329.554   12.0742   -0.390  0.134    0.014    0.018    0.0599  0.055  0.138
2010   4   6   55292  -65.847  331.369   11.2190   -0.403  0.082    0.014    0.018    0.0163  0.056  0.140
2010   4   7   55293  -67.129  332.959   10.2382   -0.331 -0.057    0.014    0.021    0.0171  0.060  0.151
2010   4   8   55294  -67.818  334.956    9.1173   -0.149 -0.204    0.013    0.021    0.0227  0.078  0.195
2010   4   9   55295  -68.216  337.285    7.8666   -0.169 -0.160    0.013    0.018    0.0270  0.061  0.154
2010   4  10   55296  -68.478  339.728    6.4993   -0.246  0.009    0.013    0.022    0.0363  0.051  0.128
2010   4  11   55297  -68.338  342.316    5.0467   -0.228  0.162    0.013    0.023    0.0428  0.051  0.128
2010   4  12   55298  -68.134  345.137    3.5266   -0.189  0.243    0.013    0.018    0.0370  0.077  0.194
2010   4  13   55299  -68.137  348.053    1.9536   -0.064  0.199    0.013    0.017    0.0353  0.077  0.194
2010   4  14   55300  -68.437  350.778    0.3931    0.014  0.103    0.012    0.017    0.0489  0.077  0.194
2010   4  15   55301  -68.905  353.179   -1.1064    0.002  0.011    0.013    0.017    0.0561  0.060  0.152
2010   4  16   55302  -68.882  355.304   -2.4757   -0.068 -0.049    0.017    0.016    0.0494  0.058  0.147
2010   4  17   55303  -69.037  357.526   -3.6859   -0.140 -0.077    0.034    0.015    0.0425  0.058  0.147
2010   4  18   55304  -69.236  359.766   -4.7792   -0.188 -0.093    0.043    0.015    0.0359  0.059  0.149
2010   4  19   55305  -68.999  362.110   -5.8118   -0.220 -0.105    0.034    0.016    0.0346  0.065  0.163
2010   4  20   55306  -68.851  364.731   -6.8541   -0.238 -0.117    0.019    0.016    0.0306  0.065  0.164
2010   4  21   55307  -68.918  367.063   -8.0111   -0.256 -0.122    0.017    0.021    0.0397  0.065  0.164
2010   4  22   55308  -69.343  369.441   -9.3837   -0.259 -0.105    0.015    0.021    0.0562  0.076  0.191
2010   4  23   55309  -69.991  371.948  -10.9757   -0.221 -0.061    0.012    0.016    0.0401  0.079  0.198
2010   4  24   55310  -70.311  374.140  -12.7469   -0.147 -0.003    0.013    0.016    0.0418  0.079  0.198
2010   4  25   55311  -70.741  376.444  -14.6247   -0.082  0.042    0.017    0.016    0.0479  0.073  0.184
2010   4  26   55312  -71.141  378.641  -16.4928   -0.096  0.038    0.029    0.017    0.0422  0.051  0.129
2010   4  27   55313  -70.812  381.010  -18.3002   -0.160  0.003    0.018    0.017    0.0329  0.051  0.129
2010   4  28   55314  -70.782  383.580  -19.9364   -0.236 -0.043    0.015    0.018    0.0431  0.052  0.130
2010   4  29   55315  -71.090  385.574  -21.2861   -0.274 -0.073    0.017    0.017    0.0602  0.088  0.222
2010   4  30   55316  -71.105  387.580  -22.3463   -0.259 -0.075    0.016    0.017    0.0411  0.114  0.286
2010   5   1   55317  -70.854  389.619  -23.1693   -0.221 -0.058    0.014    0.017    0.0465  0.114  0.286

 Preliminary extension 
2010   5   2   55318  -70.292  391.463  -23.8258   -0.206 -0.041    0.018    0.019    0.0560  0.105  0.265
2010   5   3   55319  -69.555  393.495  -24.3904   -0.252 -0.038    0.033    0.020    0.0301  0.075  0.188
2010   5   4   55320  -68.394  395.465  -24.9144   -0.287 -0.037    0.020    0.018    0.0202  0.075  0.188
2010   5   5   55321  -66.681  397.455  -25.4740   -0.285 -0.035    0.015    0.018    0.0256  0.075  0.188
2010   5   6   55322  -64.951  399.912  -26.1086   -0.226 -0.034    0.015    0.019    0.0471  0.073  0.183
2010   5   7   55323  -62.977  402.470  -26.8357   -0.138 -0.041    0.014    0.019    0.0410  0.072  0.182
2010   5   8   55324  -60.507  405.291  -27.7126   -0.082 -0.064    0.014    0.019    0.0464  0.072  0.182
2010   5   9   55325  -58.925  408.160  -28.7564   -0.097 -0.103    0.014    0.018    0.0466  0.070  0.177
2010   5  10   55326  -57.884  410.738  -29.9219   -0.168 -0.144    0.014    0.017    0.0263  0.060  0.152
2010   5  11   55327  -56.634  413.160  -31.1468   -0.236 -0.165    0.018    0.017    0.0181  0.060  0.152
2010   5  12   55328  -55.551  415.436  -32.3462   -0.242 -0.150    0.017    0.017    0.0235  0.060  0.152
2010   5  13   55329  -54.525  417.578  -33.4151   -0.181 -0.101    0.014    0.016    0.0436  0.053  0.132
2010   5  14   55330  -53.353  419.526  -34.2955   -0.099 -0.042    0.013    0.017    0.0338  0.051  0.129
2010   5  15   55331  -51.931  421.582  -35.0042   -0.060 -0.003    0.013    0.023    0.0386  0.051  0.129
2010   5  16   55332  -50.553  423.468  -35.6550   -0.080  0.003    0.017    0.040    0.0551  0.055  0.139
2010   5  17   55333  -49.094  425.011  -36.3537   -0.110 -0.005    0.024    0.037    0.0506  0.358  0.899
2010   5  18   55334  -47.399  426.331  -37.1782   -0.095 -0.006    0.028    0.032    0.0469  0.338  0.849
2010   5  19   55335  -45.408  427.766  -38.2380   -0.004  0.014    0.056    0.031    0.0686  0.239  0.602
2010   5  20   55336  -43.495  429.655  -39.5410   -0.004  0.014    0.052    0.038    0.1096  0.239  0.602
2010   5  21   55337  -41.564  431.487  -41.0114   -0.004  0.015    0.050    0.054    0.1291  0.239  0.602
2010   5  22   55338  -39.427  433.384  -42.6750   -0.004  0.015    0.054    0.049    0.0901  0.239  0.602
2010   5  23   55339  -37.493  435.504  -44.3925   -0.004  0.015    0.045    0.044    0.0866  0.239  0.602
2010   5  24   55340  -35.691  437.552  -45.9631   -0.004  0.015    0.057    0.051    0.1064  0.239  0.602
2010   5  25   55341  -34.036  439.645  -47.2804   -0.004  0.015    0.116    0.093    0.0825  0.239  0.602
2010   5  26   55342  -32.522  441.703  -48.3062   -0.004  0.015    0.138    0.106    0.0877  0.239  0.602
2010   5  27   55343  -31.410  443.734  -49.1069   -0.004  0.015    0.127    0.106    0.0885  0.239  0.602
2010   5  28   55344  -30.443  445.399  -49.8124   -0.004  0.015    0.147    0.104    0.0726  0.239  0.602
2010   5  29   55345  -28.955  446.745  -50.3643   -0.004  0.015    0.195    0.119    0.0755  0.239  0.602
2010   5  30   55346  -27.415  448.216  -50.7618   -0.003  0.015    0.231    0.180    0.0879  0.239  0.602
2010   5  31   55347  -25.906  450.007  -51.1128   -0.004  0.015    0.206    0.204    0.1268  0.239  0.602
2010   6   1   55348  -24.258  451.981  -51.5948   -0.004  0.016    0.166    0.168    0.2273  0.239  0.602
 
	
 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   4   2   55288   -63.331    -9.070     0.159     0.137
2010   4   3   55289   -63.169    -9.234     0.159     0.137
2010   4   4   55290   -62.959    -9.291     0.161     0.139
2010   4   5   55291   -63.262    -9.187     0.225     0.138
2010   4   6   55292   -63.483    -9.213     0.228     0.140
2010   4   7   55293   -63.509    -9.367     0.245     0.151
2010   4   8   55294   -62.968    -9.580     0.290     0.195
2010   4   9   55295   -62.657    -9.566     0.206     0.154
2010   4  10   55296   -62.485    -9.316     0.171     0.128
2010   4  11   55297   -62.278    -9.021     0.173     0.128
2010   4  12   55298   -62.196    -8.882     0.282     0.194
2010   4  13   55299   -61.961    -9.030     0.283     0.194
2010   4  14   55300   -61.860    -9.324     0.282     0.194
2010   4  15   55301   -61.998    -9.569     0.266     0.152
2010   4  16   55302   -62.262    -9.668     0.263     0.147
2010   4  17   55303   -62.474    -9.673     0.263     0.147
2010   4  18   55304   -62.596    -9.701     0.252     0.149
2010   4  19   55305   -62.702    -9.819     0.202     0.163
2010   4  20   55306   -62.777   -10.033     0.202     0.164
2010   4  21   55307   -62.755   -10.300     0.202     0.164
2010   4  22   55308   -62.548   -10.536     0.204     0.191
2010   4  23   55309   -62.171   -10.620     0.204     0.198
2010   4  24   55310   -61.794   -10.454     0.204     0.198
2010   4  25   55311   -61.645   -10.085     0.196     0.184
2010   4  26   55312   -61.881    -9.735     0.167     0.129
2010   4  27   55313   -62.294    -9.611     0.166     0.129
2010   4  28   55314   -62.658    -9.770     0.167     0.130
2010   4  29   55315   -62.764   -10.070     0.236     0.222
2010   4  30   55316   -62.560   -10.300     0.264     0.286
2010   5   1   55317   -62.190   -10.337     0.264     0.286

 
 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   4   2   55288  1.0224  0.0018  15.04106700068    0.00000000031 
2010   4   3   55289  0.8334  0.0019  15.04106703359    0.00000000033 
2010   4   4   55290  0.7637  0.0020  15.04106704572    0.00000000035 
2010   4   5   55291  0.8040  0.0022  15.04106703870    0.00000000038 
2010   4   6   55292  0.9020  0.0022  15.04106702164    0.00000000038 
2010   4   7   55293  1.0367  0.0022  15.04106699819    0.00000000038 
2010   4   8   55294  1.1873  0.0022  15.04106697198    0.00000000038 
2010   4   9   55295  1.3234  0.0021  15.04106694828    0.00000000037 
2010   4  10   55296  1.4181  0.0021  15.04106693180    0.00000000037 
2010   4  11   55297  1.4930  0.0021  15.04106691876    0.00000000037 
2010   4  12   55298  1.5601  0.0021  15.04106690708    0.00000000037 
2010   4  13   55299  1.5906  0.0021  15.04106690177    0.00000000037 
2010   4  14   55300  1.5257  0.0021  15.04106691307    0.00000000037 
2010   4  15   55301  1.4125  0.0021  15.04106693277    0.00000000037 
2010   4  16   55302  1.2905  0.0020  15.04106695401    0.00000000035 
2010   4  17   55303  1.1502  0.0020  15.04106697844    0.00000000035 
2010   4  18   55304  1.0533  0.0020  15.04106699531    0.00000000035 
2010   4  19   55305  1.0199  0.0019  15.04106700112    0.00000000033 
2010   4  20   55306  1.0904  0.0019  15.04106698885    0.00000000033 
2010   4  21   55307  1.2689  0.0019  15.04106695777    0.00000000033 
2010   4  22   55308  1.4931  0.0019  15.04106691874    0.00000000033 
2010   4  23   55309  1.6905  0.0020  15.04106688438    0.00000000035 
2010   4  24   55310  1.8513  0.0020  15.04106685638    0.00000000035 
2010   4  25   55311  1.9197  0.0021  15.04106684448    0.00000000037 
2010   4  26   55312  1.8502  0.0020  15.04106685658    0.00000000035 
2010   4  27   55313  1.7287  0.0020  15.04106687773    0.00000000035 
2010   4  28   55314  1.4983  0.0021  15.04106691784    0.00000000037 
2010   4  29   55315  1.1966  0.0021  15.04106697036    0.00000000037 
2010   4  30   55316  0.9142  0.0021  15.04106701952    0.00000000037 
2010   5   1   55317  0.7062  0.0022  15.04106705573    0.00000000038 


 4 - INFORMATION ON TIME SCALES      
     TAI - UTC = 34 s.  No leap second introduced during period [55288-55317]
     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                 0     0     0     -     0     0       0
     no data                    0     0     0     -     0     0

   BKG   8 R  2 *              83    90     3     -    61    61       9
   55293.21 to 55316.27        90   140     8     -   130    50

   GSFC  9 R  4 *              81    77     2     6    54    55       9
   55293.21 to 55316.27       160   140     6    10   100    30

   IAA   5 R  2 *              67    81     2     -    53    50       9
   55293.21 to 55316.27       180   280    15     -    50   100

   SPBU  3 R  3 *              91    98     3     -    74    72       8
   55293.21 to 55316.27       370   260    20     -    30    90

   USNO  6 R  2 *              90    83     2     -   204    76       8
   55293.21 to 55316.27       120   140     3     -    70    30

   MAO   3 R  1 *              72    85     2     -    58    55       9
   55293.23 to 55316.28       170   110     9     -   130    60

   IVS   2 R  1 *              57    52     1     -    36    37       8
   55293.21 to 55316.28       160   150     4     -    40    30


 VLBI Intensive
   BKG   3 R  2 *               -     -     8     -     -     -      30
   55288.79 to 55316.80         -     -    13     -     -     -

   GSFC  9 R  2 *               -     -     9     -     -     -      30
   55288.79 to 55316.80         -     -    12     -     -     -

   IAA   5 R  1 *               -     -     8     -     -     -      27
   55288.79 to 55316.80         -     -    11     -     -     -

   USNO  5 R  1 *               -     -     9     -     -     -      30
   55288.79 to 55316.80         -     -    12     -     -     -


 GPS
   CODE 98 P  1                 5     5     -     2     -     -      29
   55288.50 to 55316.50        20    20     -     9     -     -

   JPL  96 P  3                 9     9     -     6     -     -      29
   55288.50 to 55316.50        40    20     -    13     -     -

   GFZ  96 P  2                 5     6     -     1     -     -      29
   55288.50 to 55316.50        30    20     -    10     -     -

   ESOC 96 P  1                12    10     -     1     -     -      29
   55288.50 to 55316.50        40    30     -     7     -     -

   NOAA 96 P  1                 3     3     -    37     -     -      29
   55288.50 to 55316.50        60    70     -     8     -     -

   SIO  96 P  1                14    14     -     4     -     -      29
   55288.50 to 55316.50        20    30     -    15     -     -

   EMR  96 P  3                32    32     -     6     -     -      29
   55288.50 to 55316.50        40    40     -     9     -     -

   IAA   1 P  1                28    31     -     6     -     -      29
   55288.50 to 55316.50       110   140     -    27     -     -

   IGS  96 P  2 *              29    18     -     5     -     -      29
   55288.50 to 55316.50        20    20     -     6     -     -

   IGS   7 P  1 *              29    29     -     7     -     -      29
   55288.50 to 55316.50        10    10     -     8     -     -


 SLR
   MCC  97 L  1               144   195     -    17     -     -      30
   55288.00 to 55317.00       130   200     -   205     -     -

   IAA   2 L  1                45    52     -     2     -     -      30
   55288.00 to 55317.00       120   220     -    17     -     -

   ASI   3 L  2                77    98     -    17     -     -      29
   55288.50 to 55316.50       200   220     -    42     -     -

   ILRS  5 L  1 *              51    51     -    51     -     -      15
   55288.50 to 55316.50       130   130     -    26     -     -


 BULLETIN A
   NEOS 97 C  1                68    65     4     -     -     -      30
   55288.00 to 55317.00        40    50     9     -     -     -

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