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 Final Orbits

  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)
53183.50  -17748  506794 -4696328   1410    13    34      76      61   0  0  0   3056   1017     34     51
53184.50  -14742  507791 -4697214     20    21    20      87      92   0  0  0   3130    828     27     46
53185.50  -11724  508723 -4696183  -1995    17    35      91     101   0  0  0   2944   1026     23     48
53186.50   -9003  509868 -4692833  -4398    21    28      92      94   0  0  0   2609   1162     38     39
53187.50   -6145  510836 -4687237  -6186    12    28      83      43   0  0  0   3000    901     43     48
53188.50   -3231  511568 -4679838  -7654    23    30      85      54   0  0  0   2622    733     56     50
53189.50    -724  512216 -4672107  -7519    21    30     207      29   0  0  0   2245    719     29     51