USNO Analysis Report for I21091 ($21APR01XU) 
       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: None. 

Number of observations rejected during correlation:    0 

Number of observations not usable by the software:     6 

    observation    2, KOKEE   :WETTZELL, 1418+546, 18:47:23, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation    9, KOKEE   :WETTZELL, 0134+311, 19:11:21, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation   11, KOKEE   :WETTZELL, NGC6251 , 19:17:12, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' 
    observation   14, KOKEE   :WETTZELL, 0322+222, 19:26:18, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation   15, KOKEE   :WETTZELL, 0134+311, 19:29:11, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation   20, KOKEE   :WETTZELL, 0322+222, 19:44:13, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 

Number of observations rejected during analysis:       0 

Other comments: None. 

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

Clock breaks: None

Session Statistics 

  Observations:       20 scheduled 
                      20 correlated (included in the database) 
                      14 recoverable (usable in Solve/nuSolve) 
                      14 used
  Session fit:        71.408 ps
  UT1 formal error:   22.16 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        1
  0059+581              1           1        1
  0134+311              2           2        0
  0307+380              2           2        2
  0322+222              2           2        0
  0718+793              1           1        1
  1418+546              1           1        0
  NGC6251               1           1        0
  1636+473              2           2        2
  DA426                 1           1        1
  1803+784              1           1        1
  1800+440              1           1        1
  3C371                 1           1        1
  2229+695              2           2        2
  2356+385              1           1        1
  ------------  ---------  ----------   ------
  Source Total         20          20       14

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