                                                                BULLETIN B 284
                                        			4 Octobre 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      0.010    0.011    0.0038    0.041  0.053 
 
2011   8   2   55775  106.981  444.975 -291.6512   -0.172  0.245    0.011    0.011    0.0035  0.046  0.115
2011   8   3   55776  109.324  444.428 -292.3162   -0.176  0.228    0.010    0.011    0.0044  0.043  0.108
2011   8   4   55777  111.766  443.813 -293.0062   -0.171  0.222    0.010    0.011    0.0043  0.038  0.096
2011   8   5   55778  114.572  443.239 -293.5951   -0.161  0.215    0.010    0.011    0.0025  0.034  0.085
2011   8   6   55779  117.268  442.798 -293.9755   -0.168  0.203    0.010    0.011    0.0039  0.027  0.068
2011   8   7   55780  119.281  442.390 -294.1342   -0.174  0.191    0.010    0.011    0.0051  0.020  0.050
2011   8   8   55781  121.142  441.833 -294.1007   -0.173  0.194    0.011    0.011    0.0054  0.037  0.093
2011   8   9   55782  123.253  441.146 -293.9617   -0.174  0.194    0.011    0.012    0.0060  0.039  0.098
2011   8  10   55783  125.601  440.519 -293.7734   -0.152  0.154    0.010    0.012    0.0033  0.041  0.102
2011   8  11   55784  127.806  440.075 -293.5942   -0.123  0.111    0.010    0.012    0.0023  0.042  0.105
2011   8  12   55785  129.646  439.523 -293.4782   -0.094  0.074    0.010    0.012    0.0016  0.043  0.107
2011   8  13   55786  131.507  439.018 -293.4662   -0.100  0.096    0.010    0.012    0.0028  0.038  0.095
2011   8  14   55787  133.089  438.494 -293.5508   -0.119  0.142    0.010    0.012    0.0037  0.031  0.077
2011   8  15   55788  134.787  437.436 -293.7164   -0.135  0.191    0.011    0.012    0.0061  0.023  0.059
2011   8  16   55789  136.682  436.681 -293.9483   -0.144  0.241    0.011    0.012    0.0058  0.016  0.041
2011   8  17   55790  138.520  435.967 -294.1932   -0.127  0.286    0.011    0.012    0.0030  0.009  0.023
2011   8  18   55791  140.338  435.404 -294.4362   -0.076  0.293    0.011    0.012    0.0030  0.013  0.032
2011   8  19   55792  141.896  434.618 -294.6286   -0.015  0.283    0.011    0.012    0.0030  0.019  0.049
2011   8  20   55793  143.243  433.774 -294.7074   -0.015  0.289    0.011    0.012    0.0035  0.019  0.047
2011   8  21   55794  144.172  432.778 -294.6704   -0.042  0.293    0.011    0.012    0.0035  0.015  0.038
2011   8  22   55795  145.477  431.480 -294.5534   -0.081  0.278    0.011    0.012    0.0021  0.012  0.029
2011   8  23   55796  146.664  430.470 -294.4008   -0.108  0.270    0.011    0.012    0.0008  0.008  0.020
2011   8  24   55797  147.668  429.181 -294.2441   -0.083  0.265    0.011    0.012    0.0054  0.008  0.021
2011   8  25   55798  148.843  428.102 -294.1475   -0.045  0.263    0.011    0.012    0.0065  0.008  0.021
2011   8  26   55799  150.225  427.046 -294.2076   -0.009  0.261    0.011    0.012    0.0020  0.008  0.020
2011   8  27   55800  151.915  426.033 -294.5205   -0.010  0.252    0.011    0.012    0.0030  0.007  0.018
2011   8  28   55801  153.588  424.824 -295.0962   -0.027  0.241    0.011    0.012    0.0045  0.006  0.014
2011   8  29   55802  155.591  423.544 -295.9112   -0.046  0.234    0.011    0.012    0.0035  0.004  0.010
2011   8  30   55803  157.461  422.636 -296.8942   -0.066  0.234    0.011    0.012    0.0011  0.002  0.006
2011   8  31   55804  159.199  421.633 -297.9139   -0.086  0.236    0.011    0.012    0.0048  0.003  0.007
2011   9   1   55805  161.059  420.809 -298.8842   -0.104  0.244    0.011    0.012    0.0061  0.004  0.009

 Preliminary extension 
2011   9   2   55806  162.533  419.786 -299.7153   -0.117  0.256    0.011    0.012    0.0016  0.004  0.011
2011   9   3   55807  163.907  418.636 -300.3073   -0.104  0.293    0.011    0.012    0.0021  0.005  0.012
2011   9   4   55808  165.295  417.106 -300.6671   -0.079  0.335    0.011    0.012    0.0039  0.004  0.011
2011   9   5   55809  166.557  415.648 -300.8699   -0.009  0.405    0.011    0.012    0.0049  0.125  0.314
2011   9   6   55810  167.470  414.384 -301.0301    0.031  0.448    0.011    0.012    0.0036  0.169  0.425
2011   9   7   55811  168.603  413.205 -301.2156    0.015  0.434    0.011    0.012    0.0009  0.035  0.088
2011   9   8   55812  170.145  411.902 -301.4962   -0.040  0.377    0.011    0.012    0.0006  0.008  0.021
2011   9   9   55813  172.129  410.653 -301.8710   -0.105  0.300    0.011    0.012    0.0010  0.014  0.034
2011   9  10   55814  174.331  409.385 -302.3123   -0.108  0.279    0.011    0.012    0.0025  0.015  0.037
2011   9  11   55815  176.199  408.087 -302.8353   -0.087  0.274    0.011    0.012    0.0042  0.014  0.035
2011   9  12   55816  177.563  406.843 -303.4329   -0.062  0.264    0.011    0.012    0.0036  0.014  0.034
2011   9  13   55817  178.657  405.668 -304.0873   -0.035  0.250    0.011    0.012    0.0012  0.013  0.033
2011   9  14   55818  179.725  404.584 -304.7989   -0.009  0.229    0.011    0.012    0.0063  0.010  0.025
2011   9  15   55819  180.629  403.661 -305.5034    0.017  0.212    0.011    0.012    0.0097  0.006  0.014
2011   9  16   55820  181.459  402.560 -306.1294   -0.005  0.021    0.011    0.012    0.0083  0.020  0.050
2011   9  17   55821  182.143  401.431 -306.6522   -0.005  0.021    0.011    0.012    0.0048  0.036  0.090
2011   9  18   55822  182.335  400.216 -307.0994   -0.005  0.022    0.106    0.057    0.0092  0.036  0.090
2011   9  19   55823  182.191  399.079 -307.5013   -0.005  0.022    0.232    0.138    0.0164  0.036  0.090
2011   9  20   55824  181.991  397.175 -307.9135   -0.005  0.022    0.222    0.159    0.0205  0.036  0.090
2011   9  21   55825  182.285  394.973 -308.4085   -0.005  0.021    0.237    0.210    0.0237  0.036  0.090
2011   9  22   55826  182.428  393.042 -309.0511   -0.005  0.022    0.308    0.220    0.0228  0.036  0.090
2011   9  23   55827  182.397  391.215 -309.9006   -0.005  0.022    0.262    0.164    0.0247  0.036  0.090
2011   9  24   55828  182.617  389.548 -311.0133   -0.005  0.021    0.212    0.215    0.0157  0.036  0.090
2011   9  25   55829  182.580  388.046 -312.4174   -0.005  0.022    0.237    0.189    0.0130  0.036  0.090
2011   9  26   55830  182.026  386.318 -314.0154   -0.005  0.022    0.262    0.102    0.0133  0.036  0.090
2011   9  27   55831  181.329  384.441 -315.7595   -0.005  0.022    0.272    0.148    0.0172  0.036  0.090
2011   9  28   55832  180.486  382.529 -317.5260   -0.005  0.022    0.247    0.159    0.0228  0.036  0.090
2011   9  29   55833  179.937  380.484 -319.1343   -0.005  0.022    0.197    0.138    0.0211  0.036  0.090
2011   9  30   55834  179.818  378.683 -320.4786   -0.005  0.022    0.182    0.198    0.0151  0.036  0.090
2011  10   1   55835  179.989  376.764 -321.6265   -0.005  0.022    0.289    0.239    0.0208  0.036  0.090
 
	
 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   8   2   55775   -75.916   -10.291     0.155     0.115
2011   8   3   55776   -76.619   -10.041     0.165     0.108
2011   8   4   55777   -77.296   -10.025     0.170     0.096
2011   8   5   55778   -77.650   -10.184     0.175     0.085
2011   8   6   55779   -77.656   -10.380     0.147     0.068
2011   8   7   55780   -77.482   -10.528     0.105     0.050
2011   8   8   55781   -77.396   -10.620     0.151     0.093
2011   8   9   55782   -77.528   -10.716     0.141     0.098
2011   8  10   55783   -77.675   -10.861     0.149     0.102
2011   8  11   55784   -77.680   -10.975     0.161     0.105
2011   8  12   55785   -77.517   -10.980     0.173     0.107
2011   8  13   55786   -77.404   -10.799     0.164     0.095
2011   8  14   55787   -77.404   -10.527     0.148     0.077
2011   8  15   55788   -77.528   -10.310     0.133     0.059
2011   8  16   55789   -77.775   -10.239     0.116     0.041
2011   8  17   55790   -78.058   -10.296     0.100     0.023
2011   8  18   55791   -78.225   -10.406     0.131     0.032
2011   8  19   55792   -78.158   -10.480     0.174     0.049
2011   8  20   55793   -78.041   -10.539     0.155     0.047
2011   8  21   55794   -78.037   -10.690     0.114     0.038
2011   8  22   55795   -78.354   -10.935     0.062     0.029
2011   8  23   55796   -78.856   -11.104     0.027     0.020
2011   8  24   55797   -79.108   -11.097     0.031     0.021
2011   8  25   55798   -78.975   -10.993     0.033     0.021
2011   8  26   55799   -78.570   -10.964     0.035     0.020
2011   8  27   55800   -78.211   -11.040     0.031     0.018
2011   8  28   55801   -78.036   -11.036     0.023     0.014
2011   8  29   55802   -78.117   -10.806     0.009     0.010
2011   8  30   55803   -78.461   -10.456     0.005     0.006
2011   8  31   55804   -78.952   -10.227     0.008     0.007
2011   9   1   55805   -79.417   -10.192     0.012     0.009

 
 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   8   2   55775  0.6109  0.0029  15.04106707232    0.00000000050 
2011   8   3   55776  0.6800  0.0030  15.04106706029    0.00000000052 
2011   8   4   55777  0.6463  0.0031  15.04106706616    0.00000000054 
2011   8   5   55778  0.5086  0.0031  15.04106709013    0.00000000054 
2011   8   6   55779  0.2615  0.0031  15.04106713315    0.00000000054 
2011   8   7   55780  0.0621  0.0030  15.04106716786    0.00000000052 
2011   8   8   55781 -0.0767  0.0030  15.04106719202    0.00000000052 
2011   8   9   55782 -0.1694  0.0030  15.04106720816    0.00000000052 
2011   8  10   55783 -0.1950  0.0029  15.04106721262    0.00000000050 
2011   8  11   55784 -0.1561  0.0030  15.04106720585    0.00000000052 
2011   8  12   55785 -0.0673  0.0030  15.04106719039    0.00000000052 
2011   8  13   55786  0.0279  0.0030  15.04106717381    0.00000000052 
2011   8  14   55787  0.1158  0.0029  15.04106715851    0.00000000050 
2011   8  15   55788  0.2095  0.0029  15.04106714220    0.00000000050 
2011   8  16   55789  0.2304  0.0029  15.04106713856    0.00000000050 
2011   8  17   55790  0.2303  0.0029  15.04106713858    0.00000000050 
2011   8  18   55791  0.2310  0.0029  15.04106713846    0.00000000050 
2011   8  19   55792  0.1337  0.0029  15.04106715539    0.00000000050 
2011   8  20   55793  0.0123  0.0028  15.04106717653    0.00000000049 
2011   8  21   55794 -0.0876  0.0030  15.04106719392    0.00000000052 
2011   8  22   55795 -0.1355  0.0031  15.04106720226    0.00000000054 
2011   8  23   55796 -0.1563  0.0031  15.04106720588    0.00000000054 
2011   8  24   55797 -0.1262  0.0030  15.04106720064    0.00000000052 
2011   8  25   55798 -0.0413  0.0030  15.04106718586    0.00000000052 
2011   8  26   55799  0.1762  0.0031  15.04106714800    0.00000000054 
2011   8  27   55800  0.4482  0.0031  15.04106710064    0.00000000054 
2011   8  28   55801  0.6916  0.0030  15.04106705827    0.00000000052 
2011   8  29   55802  0.9098  0.0031  15.04106702029    0.00000000054 
2011   8  30   55803  0.9943  0.0032  15.04106700558    0.00000000056 
2011   8  31   55804  0.9990  0.0032  15.04106700476    0.00000000056 
2011   9   1   55805  0.9053  0.0032  15.04106702107    0.00000000056 


 4 - INFORMATION ON TIME SCALES      
     TAI - UTC = 34 s.  No leap second introduced during period [55775-55805]
     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               164   141     7     -   104   108       5
   55775.21 to 55792.27       306   173    15     -   723   427

   BKG   8 R  2               126   118     5     -    61    61       9
   55775.21 to 55803.21       118    65    14     -    93    43

   GSFC  9 R  4               358   224    14    35   140   122      10
   55775.21 to 55803.21       121    86    15    26    50    78

   IAA   5 R  2               102    89     4     -    63    64       9
   55775.21 to 55803.21       201   128    22     -    89   130

   SPBU  3 R  3                 0     0     0     -     0     0       0
     0.00 to   0.00         0     0     0     -     0     0

   USNO 10 R  1               108   101     5     -    68    69       9
   55775.21 to 55803.21        51    66    15     -    64    76

   MAO   3 R  1                81    74     3     -    56    54       8
   55775.23 to 55799.31       358   546    54     -   119   152

   IVS   2 R  1 *              74    79     3     -    19    45       7
   55775.21 to 55803.21       217   210     2     -    10     4


 VLBI Intensive
   BKG   3 R  2 *               -     -    13     -     -     -      22
   55775.79 to 55804.79         -     -    31     -     -     -

   GSFC  9 R  2 *               -     -    14     -     -     -      22
   55775.79 to 55804.79         -     -    30     -     -     -

   IAA   5 R  1 *               -     -    12     -     -     -      21
   55775.79 to 55804.79         -     -    23     -     -     -

   PUL  10 R  0                 -     -    14     -     -     -      23
   55775.79 to 55804.79         -     -    26     -     -     -

   USNO  5 R  1 *               -     -    14     -     -     -      23
   55775.79 to 55804.79         -     -    29     -     -     -


 GPS
   CODE 98 P  1                 5     5     -     2     -     -      30
   55775.50 to 55804.50        19    18     -     7     -     -

   JPL  96 P  3                 9    10     -     5     -     -      30
   55775.50 to 55804.50        51    38     -    13     -     -

   GFZ  96 P  2                 5     5     -     1     -     -      30
   55775.50 to 55804.50        24    38     -     7     -     -

   ESOC 96 P  1                16    13     -     2     -     -      30
   55775.50 to 55804.50        26    43     -     8     -     -

   NOAA 96 P  1                 3     3     -    36     -     -      30
   55775.50 to 55804.50        48    35     -     6     -     -

   SIO  96 P  1                16    16     -     4     -     -      30
   55775.50 to 55804.50        29    32     -    12     -     -

   EMR  96 P  3                33    34     -     6     -     -      30
   55775.50 to 55804.50        45    48     -    12     -     -

   IAA   1 P  1                32    41     -     7     -     -      30
   55775.50 to 55804.50       128   165     -    35     -     -

   IGR  96 P  2 *              19    15     -     4     -     -      30
   55775.50 to 55804.50        27    31     -     6     -     -

   IGS   7 P  1 *               5     5     -     1     -     -      30
   55775.50 to 55804.50        22    27     -     5     -     -


 SLR
   MCC  97 L  1               116   132     -    21     -     -      28
   55775.00 to 55805.00       101   119     -   227     -     -

   IAA   2 L  1                34    37     -     2     -     -      31
   55775.00 to 55805.00       128   119     -    16     -     -

   CGS   3 L  2                59    66     -    14     -     -      30
   55775.50 to 55804.50       125   166     -    50     -     -

   PUL  10 L  0                36    38     -     2     -     -      31
   55775.03 to 55804.47       112    85     -    17     -     -

   ILRS  5 L  1 *              48    57     -    12     -     -      30
   55775.50 to 55804.50       106   149     -    32     -     -


 BULLETIN A
   NEOS 97 C  1                26    27     9     -     -     -      31
   55775.00 to 55805.00        20    26    18     -     -     -

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