version 2
Source: Xpole,Ypole,Xrt,Yrt,LOD: weighted average of centres;
        UT1-UTC: integrated from the 5th day prior to Bull. A
                 last non-predicted value.

Orbits: to be used with the IGS Final Orbits

  MJD      Xpole   Ypole  UT1-UTC    LOD  Xsig  Ysig   UTsig  LODsig  Nr Nf Nt    Xrt    Yrt  Xrtsig  Yrtsig
             (10**-6")       (0.1 usec)    (10**-6")     (0.1 usec)              (10**-6"/d)    (10**-6"/d)
51741.50   99671  265490  1998565  -1861    72    47     148      79   0  0  0   -776   -884     57     43
51742.50   98848  264647  2000337  -1731    63    53     105      96   0  0  0   -907   -742     45     40
51743.50   97756  263692  2002342  -1829    78    59     103      73   0  0  0  -1197  -1071     33     55
51744.50   96566  262512  2003928  -1494    87    68      96      61   0  0  0  -1210  -1261     84     94
51745.50   95484  261101  2004845   -699    84    54      97      79   0  0  0   -999  -1303    148     93
51746.50   94208  259824  2005561   -484    84    56      99      59   0  0  0  -1620  -1105     69     42
51747.50   92758  258809  2005598     83    60    43     111      80   0  0  0  -1361   -680    180    121