USNO Analysis Report for I18172 ($18JUN21XU) 
       This report is a contributed analysis report that does not correspond to 
       the database maintained by the IVS Data Centers for this session.  
   (Analyzed by Christopher Dieck, US Naval Observatory.
    Spoolfile source: interactive nuSolve analysis.) 

Problems: None. 

Number of observations rejected during correlation:    0 

Number of observations not usable by the software:     2
    Observation  9, 0748+126, 18:50:03, quality codes - S:9, X:0
    Observation 10, 0641+392, 18:53:44, quality codes - S:9, X:0 

Number of observations rejected during analysis:       0 

Other comments: Preliminary solution; the data for SVETLOE have not arrived yet. 

Parameterization: 
   5 parameters: 
     UT1 offset 
     atmosphere offset for:
         KOKEE WETTZELL
     clock offset (0), first order term (1), and/or second order term (2) for:
         WETTZELL (0,1)

Clock breaks: None

Session Statistics 

  Observations:       42 scheduled (from all stations---includes SVETLOE)
                      20 scheduled (from available stations---does not include
                                    SVETLOE)
                      20 correlated (included in the database) 
                      18 recoverable (usable in Solve/nuSolve) 
                      18 used
  Session fit:        65.365 ps
  UT1 formal error:   17.01 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              3           1        1
  0059+581              3           1        1
  0345+460              1           1        1
  0529+483              3           1        1
  0552+398              6           2        2
  0602+673              3           1        1
  0613+570              1           1        1
  0641+392              3           1        0
  0716+714              1           1        1
  0738+491              3           1        1
  0748+126              1           1        0
  0749+540              1           1        1
  0759+183              2           2        2
  0805+410              1           1        1
  NGC6251               1           1        1
  3C371                 3           1        1
  2113+293              3           1        1
  2229+695              3           1        1
  ------------  ---------  ----------   ------
  Source Total         42          20       18

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