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)  
51780.50   59994  242870  1953212   4328  2140  2116      94       0   0  0  0
51781.50   58636  242587  1949017   4062  4650  4650     112       0   0  0  0
51782.50   57320  242361  1944670   4633  5407  5407     112       0   0  0  0