USNO Analysis Report for I18099 ($18APR09XU) 
       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 9,  NGC6251, 18:53:43, quality codes - S:0, X:0

Number of observations rejected during analysis:       1
    Observation 1, 1418+546, 18:30:33, which fits at 198.57 +/- 40.06 ps

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:       20 scheduled 
                      20 correlated (included in the database) 
                      19 recoverable (usable in Solve/nuSolve) 
                      18 used
  Session fit:        24.671 ps
  UT1 formal error:    8.47 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        1
  0059+581              1           1        1
  0133+476              2           2        2
  0307+380              2           2        2
  0322+222              2           2        2
  0345+460              1           1        1
  0718+793              1           1        1
  1418+546              1           1        0
  NGC6251               1           1        0
  NRAO512               1           1        1
  1732+389              2           2        2
  1800+440              2           2        2
  3C371                 1           1        1
  2229+695              2           2        2
  ------------  ---------  ----------   ------
  Source Total         20          20       18

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