USNO Analysis Report for I21271 ($21SEP28XU) 
       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 Nicole Geiger, 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:     5 

    observation   20, NYALE13S:WETTZELL, 0955+476, 07:09:28, quality code X: 8 S: 8, fringe code X: ' ' S: 'G' 
    observation   25, NYALE13S:SESHAN25, 3C274   , 07:17:45, quality code X: 9 S: 0, fringe code X: ' ' S: ' ' 
    observation   27, SESHAN25:WETTZELL, 3C274   , 07:17:45, quality code X: 9 S: 0, fringe code X: ' ' S: ' ' 
    observation   66, SESHAN25:WETTZELL, 3C274   , 07:40:27, quality code X: 9 S: 0, fringe code X: ' ' S: ' ' 

Number of observations rejected during analysis:       0 

    observation    2, NYALE13S:WETTZELL, 3C418   , 07:00:15, which fits at       77.2 +/-      15.3 ps 
    observation   77, NYALE13S:WETTZELL, 2000+472, 07:47:20, which fits at      -86.2 +/-      19.0 ps 

Other comments: None. 

Parameterization: 
   6 parameters: 
     UT1 offset 
     atmosphere offset for:
         KOKEE WETTZELL
     clock offset, first order term, and second order term for:
         KOKEE

Clock breaks: None

Session Statistics 

  Observations:       22 scheduled 
                      22 correlated (included in the database) 
                      17 recoverable (usable in Solve/nuSolve) 
                      17 used
  Session fit:        71.047 ps
  UT1 formal error:   18.90 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        1
  0307+380              2           2        2
  0322+222              2           2        0
  0340+362              2           2        2
  0529+483              2           2        2
  0602+673              1           1        0
  0613+570              1           1        1
  0716+714              1           1        1
  0718+793              1           1        1
  0738+491              1           1        1
  0955+476              1           1        1
  1128+385              1           1        1
  1300+580              1           1        0
  1308+328              1           1        1
  1324+224              1           1        1
  1418+546              2           2        1
  1803+784              1           1        1
  ------------  ---------  ----------   ------
  Source Total         22          22       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.