USNO Analysis Report for I21230 ($21AUG18XU) 
       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:     3 

    observation   14, KOKEE   :WETTZELL, 0602+673, 19:04:19, quality code X: 8 S: 0, fringe code X: ' ' S: ' ' 
    observation   15, KOKEE   :WETTZELL, 0016+731, 19:07:04, quality code X: 9 S: 0, fringe code X: ' ' S: ' ' 
    observation   22, KOKEE   :WETTZELL, 1128+385, 19:27:14, quality code X: 8 S: 9, fringe code X: 'G' S: ' ' 

Number of observations rejected during analysis:       0 

Other comments: None. 

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

Clock breaks: None

Session Statistics 

  Observations:       23 scheduled 
                      23 correlated (included in the database) 
                      20 recoverable (usable in Solve/nuSolve) 
                      20 used
  Session fit:        51.923 ps
  UT1 formal error:   17.52 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        0
  0059+581              1           1        1
  0602+673              1           1        0
  0613+570              2           2        2
  0716+714              1           1        1
  0718+793              1           1        1
  0738+491              2           2        2
  0920+390              3           3        3
  0955+476              2           2        2
  1040+244              1           1        1
  1053+815              1           1        1
  1111+149              1           1        1
  1128+385              2           2        1
  1144+402              1           1        1
  1300+580              1           1        1
  1803+784              1           1        1
  2229+695              1           1        1
  ------------  ---------  ----------   ------
  Source Total         23          23       20

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