IVS Analysis Report for V21138 ($21MAY18VI) 
       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:       1 

    observation    2, KOKEE12M:WETTZ13S, 0552+398, 18:31:26, which fits at      237.2 +/-      43.1 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:       45 scheduled 
                      45 correlated (included in the database) 
                      45 recoverable (usable in Solve/nuSolve) 
                      44 used
  Session fit:        40.153 ps
  UT1 formal error:    8.49 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        1
  0059+581              4           4        4
  0133+476              3           3        3
  0307+380              3           3        3
  0340+362              3           3        3
  0415+398              2           2        2
  0515+208              4           4        4
  0529+483              4           4        4
  0544+273              3           3        3
  0552+398              4           4        3
  0602+673              2           2        2
  0613+570              3           3        3
  0716+714              2           2        2
  1039+811              2           2        2
  NGC6251               2           2        2
  1803+784              2           2        2
  1846+322              1           1        1
  ------------  ---------  ----------   ------
  Source Total         45          45       44

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