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)
51755.50   88029  252966  2007140  -1210    65    35     116      21   0  0  0   -821   -602     71    130
51756.50   87273  252270  2007206    405    47    37     136      35   0  0  0   -669   -644     98    116
51757.50   86621  251635  2005811   2128    53    41     132     104   0  0  0   -687   -585     89    120
51758.50   86100  251122  2003121   3130    65    39     123      85   0  0  0   -439   -569     23     70
51759.50   85628  250711  1999103   4175    61    51     111      43   0  0  0   -578   -340     53     74
51760.50   84949  250236  1995228   3767    53    44     113      73   0  0  0   -520   -653    191     53
51761.50   84251  249552  1991775   2872    64    47     104      60   0  0  0   -772   -744     73     81