IVS Analysis Report for I18271 ($18SEP28XU) 
       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:    2 

Number of observations not usable by the software:     4 

    observation    2, KOKEE   :WETTZELL, 0415+398, 18:48:22, quality code X-band: 0 S-band: 9 
    observation    8, KOKEE   :WETTZELL, 0749+540, 19:08:22, quality code X-band: 0 S-band: 9 
    observation   13, KOKEE   :WETTZELL, 1300+580, 19:27:07, quality code X-band: 0 S-band: 9 
    observation   14, KOKEE   :WETTZELL, 1441+252, 19:31:14, 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:       17 scheduled 
                      15 correlated (included in the database) 
                      11 recoverable (usable in Solve/nuSolve) 
                      11 used
  Session fit:        20.016 ps
  UT1 formal error:   17.19 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        1
  0307+380              2           1        1
  0415+398              1           1        0
  0529+483              1           0        0
  0613+570              1           1        1
  0716+714              1           1        1
  0738+491              2           2        2
  0749+540              1           1        0
  0955+476              1           1        1
  1144+402              1           1        1
  1300+580              1           1        0
  1324+224              1           1        1
  1418+546              1           1        1
  1441+252              1           1        0
  1803+784              1           1        1
  ------------  ---------  ----------   ------
  Source Total         17          15       11

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