USNO Analysis Report for I18087 ($18MAR28XU) 
       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:    1 

Number of observations not usable by the software:     3 
    Observation  7, 1342+662, 19:02:28, quality codes - S:9, X:0.
    Observation 14,  NGC6251, 19:29:09, quality codes - S:0, X:0.
    Observation 16, 0340+362, 19:36:52, 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:       19 scheduled 
                      18 correlated (included in the database) 
                      15 recoverable (usable in Solve/nuSolve) 
                      15 used
  Session fit:        50.388 ps
  UT1 formal error:   12.63 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        1
  0059+581              1           0        0
  0133+476              1           1        1
  0229+131              1           1        1
  0340+362              1           1        0
  0718+793              1           1        1
  1342+662              1           1        0
  1418+546              1           1        1
  1441+252              1           1        1
  1520+437              1           1        1
  NGC6251               1           1        0
  1636+473              1           1        1
  NRAO512               1           1        1
  DA426                 1           1        1
  1803+784              1           1        1
  1800+440              1           1        1
  3C371                 1           1        1
  2229+695              1           1        1
  2356+385              1           1        1
  ------------  ---------  ----------   ------
  Source Total         19          18       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.