IVS Analysis Report for I18261 ($18SEP18XU) 
       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:     4 

    observation    4, KOKEE   :WETTZELL, 0133+476, 18:36:04, quality code X-band: 0 S-band: 9 
    observation    5, KOKEE   :WETTZELL, 0307+380, 18:38:43, quality code X-band: 9 S-band: 0 
    observation   10, KOKEE   :WETTZELL, 1300+580, 18:52:33, quality code X-band: 0 S-band: 9 
    observation   12, KOKEE   :WETTZELL, 0016+731, 18:59:17, quality code X-band: 0 S-band: 9 

Number of observations rejected during analysis:       0 

Other comments: None. 

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

Clock breaks: None

Session Statistics 

  Observations:       25 scheduled 
                      25 correlated (included in the database) 
                      21 recoverable (usable in Solve/nuSolve) 
                      21 used
  Session fit:        48.290 ps
  UT1 formal error:   13.28 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        0
  0059+581              2           2        2
  0133+476              1           1        0
  0307+380              1           1        0
  0529+483              2           2        2
  0716+714              1           1        1
  0718+793              1           1        1
  0738+491              1           1        1
  0800+618              1           1        1
  0955+476              3           3        3
  1053+815              1           1        1
  1128+385              2           2        2
  1144+402              2           2        2
  1156+295              1           1        1
  1300+580              1           1        0
  1324+224              1           1        1
  1418+546              2           2        2
  1803+784              1           1        1
  ------------  ---------  ----------   ------
  Source Total         25          25       21

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