version 2
Source: IERS Bulletin A (   0_   0_ )

Orbits: to be used with the IGS Prediction Service Orbits (IGP)

  MJD      Xpole   Ypole  UT1-UTC    LOD  Xsig  Ysig   UTsig  LODsig  Nr Nf Nt
             (10**-6")       (0.1 usec)    (10**-6")    (0.1 usec)  
51676.50   88160  329468  2313432  11848  2128  2130    1556       0   0  0  0
51677.50   88568  329205  2301511  11994  4650  4650    4024       0   0  0  0
51678.50   88902  328846  2289708  11612  5407  5407    5946       0   0  0  0