USNO Analysis Report for I19108 ($19APR18XU) 
       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  2, KOKEE   :WETTZELL, 0415+398, 18:50:53, quality codes - S:9, X:0 

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:
         WETTZELL (0,1)

Clock breaks: None

Session Statistics 

  Observations:       18 scheduled 
                      18 correlated (included in the database) 
                      17 recoverable (usable in Solve/nuSolve) 
                      17 used
  Session fit:        49.451 ps
  UT1 formal error:   10.79 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0059+581              1           1        1
  0202+319              1           1        1
  0307+380              1           1        1
  0322+222              1           1        1
  0415+398              2           2        1
  0716+714              3           3        3
  NRAO512               2           2        2
  1639+230              1           1        1
  1726+455              1           1        1
  1803+784              2           2        2
  1849+670              1           1        1
  2000+472              1           1        1
  2229+695              1           1        1
  ------------  ---------  ----------   ------
  Source Total         18          18       17

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