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)
51650.50   82137  344409  2596097  14544    58    77     137      97   0  0  0    289    -22    138     94
51651.50   82339  344310  2581486  14702    55    84     110      59   0  0  0    336   -294     59    104
51652.50   82364  344212  2567329  13950    56    71     131      97   0  0  0   -189   -223     75    120
51653.50   82183  343754  2554022  12853    66    82     128      58   0  0  0    111   -780     44     49
51654.50   82445  343036  2541816  11626    61    66     128      58   0  0  0    352   -623     64     63
51655.50   82497  342344  2530813  10459    74    65     126      58   0  0  0   -143   -698     92    116
51656.50   82548  341571  2521228   9154    76    69     129      44   0  0  0    383   -676     99     75