USNO Analysis Report for Q20081 ($20MAR21XK) 
       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 Christopher Dieck, US Naval Observatory.
    Spoolfile source: interactive nuSolve analysis.) 

Problems: None. 

Number of observations rejected during correlation:    0 

Number of observations not usable by the software:     1 

    observation   7, ISHIOKA :WETTZELL, 0017+200, 07:37:37, quality codes - S:9, X:0 

Number of observations rejected during analysis:       1 

    observation  34, ISHIOKA :WETTZELL, 3C418   , 08:22:53, which fits at -211.6 +/- 54.0 ps 

Other comments: None. 

Parameterization: 
   5 parameters: 
     UT1 offset 
     atmosphere offset for:
         ISHIOKA WETTZELL
     clock offset (0), first order term (1), and/or second order term (2) for:
         WETTZELL (0,1)

Clock breaks: None

Session Statistics 

  Observations:       37 scheduled 
                      37 correlated (included in the database) 
                      36 recoverable (usable in Solve/nuSolve) 
                      35 used
  Session fit:        54.005 ps
  UT1 formal error:   12.86 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              2           2        2
  0017+200              2           2        1
  0059+581              3           3        3
  0133+476              2           2        2
  0202+319              3           3        3
  0221+067              1           1        1
  0552+398              2           2        2
  0613+570              1           1        1
  0642+449              2           2        2
  0716+714              2           2        2
  0955+476              2           2        2
  1039+811              1           1        1
  1144+402              3           3        3
  1418+546              2           2        2
  1803+784              2           2        2
  3C371                 2           2        2
  3C418                 3           3        2
  2309+454              2           2        2
  ------------  ---------  ----------   ------
  Source Total         37          37       35

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