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)
53176.50  -40235  497890 -4700212  -5344    18    29      79      68   0  0  0   3462   1457     41     48
53177.50  -36916  499274 -4695439  -4434    18    20      73      35   0  0  0   3339   1165     23     29
53178.50  -33546  500546 -4692182  -2812    15    27     100      85   0  0  0   3293   1300     39     54
53179.50  -30275  501802 -4690524  -1113    19    20      78      39   0  0  0   3230    912     30     53
53180.50  -26828  502886 -4690763    876    21    32      82      60   0  0  0   3599   1162     29     40
53181.50  -23510  504293 -4692304   1981    17    25      67      29   0  0  0   2993   1267     14    106
53182.50  -20644  505683 -4694395   2019    14    31     106      48   0  0  0   2759   1137     32     76