version 2
Source: IERS Bulletin A (2001_2001_2)

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)  
51914.50  -70884  405200   894928   8083  2145  2179     107       0   0  0  0
51915.50  -70776  406259   887460   6852  4650  4650      84       0   0  0  0
51916.50  -70584  407395   881343   5383  5407  5407      77       0   0  0  0