USNO Analysis Report for I20353 ($20DEC18XU) 
       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:     4 

    observation    3, KOKEE   :WETTZELL, 1929+226, 18:52:20, quality code X: 9 S: 0, fringe code X: ' ' S: ' ' 
    observation    9, KOKEE   :WETTZELL, 3C371   , 19:10:50, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation   13, KOKEE   :WETTZELL, 1929+226, 19:23:34, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' 
    observation   19, KOKEE   :WETTZELL, 1300+580, 19:42:04, 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) 
                      16 recoverable (usable in Solve/nuSolve) 
                      16 used
  Session fit:        54.081 ps
  UT1 formal error:   19.43 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              2           2        2
  0716+714              3           3        3
  0738+491              1           1        1
  0805+410              1           1        1
  0920+390              1           1        1
  0955+476              1           1        1
  1300+580              1           1        0
  1418+546              2           2        2
  1732+389              1           1        1
  1746+470              1           1        1
  1803+784              1           1        1
  3C371                 2           2        1
  1929+226              2           2        0
  2229+695              1           1        1
  ------------  ---------  ----------   ------
  Source Total         20          20       16

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