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)
53120.50 -131470  390193 -4521991  -2618    18    24      70      63   0  0  0   1650   1816     54     15
53121.50 -129587  392055 -4520297  -1544    15    32      64      39   0  0  0   1988   1901     37     42
53122.50 -127678  394185 -4519666    127    15    25      64      52   0  0  0   1839   2229     35     55
53123.50 -125939  396728 -4520674   2236    15    24      65      40   0  0  0   1731   2731     44     52
53124.50 -124322  399742 -4524037   4558    16    26      63      22   0  0  0   1570   3161     14     58
53125.50 -122518  402893 -4530451   7711    22    21      61      29   0  0  0   2144   2938     35     55
53126.50 -120528  406069 -4539041  10016    27    30      69      22   0  0  0   1815   3216     13    107