IVS Analysis Report for V21109 ($21APR19VI) 
       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:    1 

Number of observations not usable by the software:     0 

Number of observations rejected during analysis:       2 

    observation    7, KOKEE12M:WETTZ13S, 1617+229, 18:40:14, which fits at      245.4 +/-      52.4 ps 
    observation   26, KOKEE12M:WETTZ13S, NGC6251 , 19:14:07, which fits at     -330.4 +/-      52.6 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:       34 scheduled 
                      33 correlated (included in the database) 
                      33 recoverable (usable in Solve/nuSolve) 
                      31 used
  Session fit:        46.813 ps
  UT1 formal error:    7.43 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        1
  0059+581              3           3        3
  0133+476              2           1        1
  0202+319              2           2        2
  0307+380              3           3        3
  0322+222              4           4        4
  0340+362              1           1        1
  0602+673              2           2        2
  1039+811              1           1        1
  1617+229              2           2        1
  NGC6251               1           1        0
  1639+230              1           1        1
  1758+388              2           2        2
  1803+784              1           1        1
  1842+681              1           1        1
  1849+670              1           1        1
  2000+472              5           5        5
  2309+454              1           1        1
  ------------  ---------  ----------   ------
  Source Total         34          33       31

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