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)  
51738.50  102536  268785  1997281    649  2120  2118    1523       0   0  0  0
51739.50  101854  267818  1997133   -353  4650  4650    4024       0   0  0  0
51740.50  101183  266922  1997887  -1155  5407  5407    5946       0   0  0  0