USNO Analysis Report for Q21255 ($21SEP12XK) 
       This report is a contributed analysis report that does not correspond to 
       the database maintained by the IVS Data Centers for this session.  
   (Analyzed by Nicole Geiger, US Naval Observatory.
    Spoolfile source: interactive nuSolve analysis.) 

Problems: ISHIOKA did not participate due to antenna trouble. 

Number of observations rejected during correlation:    0 

Number of observations not usable by the software:     1 

    observation   45, WETTZELL:MK-VLBA , 1842+681, 08:21:53, quality code X: 9 S: 0, fringe code X: ' ' S: ' ' 

Number of observations rejected during analysis:       2 

    observation    2, WETTZELL:MK-VLBA , 1418+546, 07:31:48, which fits at    -2262.6 +/-      87.4 ps 
    observation   30, WETTZELL:MK-VLBA , 1732+389, 08:04:36, which fits at     -506.4 +/-      38.9 ps 

Parameterization: 
   6 parameters: 
     UT1 offset 
     atmosphere offset for:
         MK-VLBA WETTZELL
     clock offset, first order term, and second order term for:
         MK-VLBA

Clock breaks: None

Session Statistics 

  Observations:      116 scheduled (from all stations---includes ISHIOKA)
                      50 scheduled (from available stations---does not include
                                    ISHIOKA)
                      50 correlated (included in the database) 
                      49 recoverable (usable in Solve/nuSolve) 
                      47 used
  Session fit:        22.996 ps
  UT1 formal error:    3.52 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              5           3        3
  0059+581              7           3        3
  0133+476              5           3        3
  0202+319              2           2        2
  0235+164              2           2        2
  0322+222              1           1        1
  0718+793              2           2        2
  1039+811              9           3        3
  1418+546              3           1        0
  1504+377              1           1        1
  DA426                 9           3        3
  1726+455              4           2        2
  1732+389              1           1        0
  1746+470              9           3        3
  1803+784              9           3        3
  1806+456              6           2        2
  3C371                 7           3        3
  1842+681              9           3        2
  1849+670              9           3        3
  1851+488              3           1        1
  2000+472              1           1        1
  3C418                 3           1        1
  2229+695              9           3        3
  ------------  ---------  ----------   ------
  Source Total        116          50       47

 * Correlated means included in the database. 
   Please note that the number of recoverable (usable) observations 
   cannot be broken down by source for Intensive solutions.