USNO Analysis Report for I21109 ($21APR19XU) 
       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:    10 

    observation    1, KOKEE   :WETTZELL, 0059+581, 18:30:20, quality code X: 8 S: 9, fringe code X: 'G' S: ' ' 
    observation    3, KOKEE   :WETTZELL, 0322+222, 18:37:13, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation    6, KOKEE   :WETTZELL, 1758+388, 18:45:20, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation    8, KOKEE   :WETTZELL, 0602+673, 18:50:47, quality code X: 9 S: 9, fringe code X: 'G' S: ' ' 
    observation    9, KOKEE   :WETTZELL, NGC6251 , 18:54:43, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' 
    observation   10, KOKEE   :WETTZELL, 0718+793, 18:58:34, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation   11, KOKEE   :WETTZELL, 1639+230, 19:03:04, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation   15, KOKEE   :WETTZELL, 0322+222, 19:16:41, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation   17, KOKEE   :WETTZELL, NRAO512 , 19:24:19, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation   18, KOKEE   :WETTZELL, 1758+388, 19:27:30, 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:       19 scheduled 
                      19 correlated (included in the database) 
                       9 recoverable (usable in Solve/nuSolve) 
                       9 used
  Session fit:        20.096 ps
  UT1 formal error:   14.79 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0059+581              1           1        0
  0307+380              1           1        1
  0322+222              2           2        0
  0415+398              1           1        1
  0602+673              2           2        1
  0716+714              1           1        1
  0718+793              1           1        0
  1053+815              1           1        1
  NGC6251               1           1        0
  1636+473              1           1        1
  NRAO512               1           1        0
  1639+230              1           1        0
  1758+388              2           2        0
  3C371                 2           2        2
  2229+695              1           1        1
  ------------  ---------  ----------   ------
  Source Total         19          19        9

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