USNO Analysis Report for I18068 ($18MAR09XU) 
       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:     4
      Observation  7, 2319+317, 19:02:30, quality codes S:0, X:0.
      Observation 13, 1823+689, 19:18:59, quality codes S:9, X:0.
      Observation 14, 1342+662, 19:22:57, quality codes S:9, X:0.
      Observation 17,  NGC6251, 19:33:11, quality codes S:0, 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:       20 scheduled 
                      20 correlated (included in the database) 
                      16 recoverable (usable in Solve/nuSolve) 
                      16 used
  Session fit:        38.003 ps
  UT1 formal error:   10.10 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        1
  0059+581              1           1        1
  0119+115              1           1        1
  0133+476              1           1        1
  0718+793              1           1        1
  1300+580              2           2        2
  1324+224              1           1        1
  1342+662              2           2        1
  1418+546              1           1        1
  1520+437              2           2        2
  NGC6251               1           1        0
  1636+473              1           1        1
  1803+784              1           1        1
  3C371                 1           1        1
  1823+689              1           1        0
  2229+695              1           1        1
  2319+317              1           1        0
  ------------  ---------  ----------   ------
  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.