IVS Analysis Report for V21091 ($21APR01VI) 
       This report is the official IVS analysis report that corresponds to 
       the database maintained by the IVS Data Centers for this session.  
   (Analyzed by Sergei Bolotin, NVI, Inc. / NASA Goddard Space Flight Center.
    Spoolfile source: interactive solve/nuSolve analysis.) 

Problems: None. 

Number of observations rejected during correlation:    0 

Number of observations not usable by the software:     0 

Number of observations rejected during analysis:       3 

    observation   13, KOKEE12M:WETTZ13S, 0239+175, 19:01:53, which fits at     -179.7 +/-      49.4 ps 
    observation   21, KOKEE12M:WETTZ13S, 0202+319, 19:15:05, which fits at     -149.3 +/-      49.3 ps 
    observation   28, KOKEE12M:WETTZ13S, NGC6251 , 19:26:52, which fits at      196.7 +/-      50.3 ps 

Other comments: None. 

Parameterization: 
   6 parameters: 
     UT1 offset 
     atmosphere offset for:
         KOKEE12M WETTZ13S
     clock offset, first order term, and second order term for:
         WETTZ13S

Clock breaks: None

Session Statistics 

  Observations:       37 scheduled 
                      37 correlated (included in the database) 
                      37 recoverable (usable in Solve/nuSolve) 
                      34 used
  Session fit:        44.817 ps
  UT1 formal error:   10.18 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              2           2        2
  0059+581              2           2        2
  0133+476              4           4        4
  0134+311              3           3        3
  0202+319              4           4        3
  0239+175              4           4        3
  0307+380              4           4        4
  0322+222              1           1        1
  0718+793              1           1        1
  1039+811              1           1        1
  NGC6251               1           1        0
  DA426                 1           1        1
  1746+470              1           1        1
  1803+784              1           1        1
  1842+681              1           1        1
  1849+670              2           2        2
  2309+454              3           3        3
  2356+385              1           1        1
  ------------  ---------  ----------   ------
  Source Total         37          37       34

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