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)
51804.50   14373  240336  1842633   7070    61    49     137      87   0  0  0  -1422    513     65    105
51805.50   13004  240973  1836473   5704    43    56     113      83   0  0  0  -1456    442     41    117
51806.50   11483  241820  1831146   4786    43    45     120      93   0  0  0  -1582    996     89     60
51807.50    9738  242848  1826989   3889    37    45     130      64   0  0  0  -1857    937     27     81
51808.50    7796  243655  1823189   3734    48    53     133      73   0  0  0  -1752    621    108     66
51809.50    6068  243790  1819330   4296    49    57     136      72   0  0  0  -1486   -268     88    151
51810.50    4791  243682  1815218   4832    45    38     137      53   0  0  0  -1039    132     66    174