USNO Analysis Report for I20111 ($20APR20XU) 
       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:    4

   observation of 1636+473  at 18:32:34
   observation of 1053+815  at 18:36:46
   observation of 0016+731  at 19:27:49
   observation of 0133+476  at 19:29:37

Number of observations not usable by the software:     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:       19 scheduled 
                      15 correlated (included in the database) 
                      15 recoverable (usable in Solve/nuSolve) 
                      15 used
  Session fit:        48.888 ps
  UT1 formal error:   14.93 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              2           1        1
  0059+581              1           1        1
  0133+476              1           0        0
  0322+222              1           1        1
  0415+398              2           2        2
  0529+483              1           1        1
  0716+714              2           2        2
  1053+815              1           0        0
  1636+473              2           1        1
  NRAO512               1           1        1
  1758+388              1           1        1
  1803+784              1           1        1
  1800+440              1           1        1
  3C371                 1           1        1
  2229+695              1           1        1
  ------------  ---------  ----------   ------
  Source Total         19          15       15

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