USNO Analysis Report for I18243 ($18AUG31XU) 
       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:     3
    observation  3,    3C274, 18:49:31, quality codes - S:9, X:0
    observation 16, 0345+460, 19:25:26, quality codes - S:9, X:0
    observation 23, 0016+731, 19:44:27, 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:       23 scheduled 
                      23 correlated (included in the database) 
                      20 recoverable (usable in Solve/nuSolve) 
                      20 used
  Session fit:        43.385 ps
  UT1 formal error:   11.15 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        0
  0059+581              1           1        1
  0307+380              1           1        1
  0345+460              1           1        0
  0529+483              2           2        2
  0613+570              1           1        1
  0716+714              1           1        1
  0718+793              1           1        1
  0738+491              1           1        1
  0800+618              1           1        1
  0955+476              1           1        1
  1053+815              1           1        1
  1128+385              1           1        1
  1144+402              1           1        1
  1156+295              1           1        1
  3C274                 1           1        0
  1300+580              1           1        1
  1324+224              1           1        1
  1418+546              2           2        2
  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.