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)
52301.50 -173975  377219 -1311516   3808    31    38      82     129   0  0  0    891   3316     97     66
52302.50 -173284  380557 -1316431   5806    42    40      90     117   0  0  0    766   3258     79     55
52303.50 -172623  383772 -1323482   8298    52    31     201      57   0  0  0    854   2953     46     92
52304.50 -171543  386848 -1333299  11129    47    39     135      89   0  0  0   1450   3102      9     63
52305.50 -169881  390064 -1345393  13320    52    28     133      75   0  0  0   1870   3124     39     90
52306.50 -168154  393292 -1359166  14550    46    31     130      78   0  0  0   1678   3279     67     41
52307.50 -166870  396472 -1374036  14875    45    39     127      79   0  0  0   1028   3186     38     52