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 Ultra Rapid Orbits (IGR)

  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)
52894.00  264452  361449 -3522659   3792   130    73     323     170   0  0  0   -494  -3420    194    197
52895.00  263550  357821 -3526695   4280   378   372     472     667   0  0  0   -210  -3239     59     42