USNO Analysis Report for I18170 ($18JUN19XU) 
       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:    1
    Observation 0, 0059+581, scan 170-1830 did not correlate. 

Number of observations not usable by the software:     4
    Observation 10, 0748+126, 18:58:12, quality codes - S:9, X:0
    Observation 12, 0641+392, 19:04:18, quality codes - S:9, X:0
    Observation 15, 0748+126, 19:13:50, quality codes - S:9, X:0
    Observation 20, 2214+350, 19:27:27, quality codes - S:9, X:0

Number of observations rejected during analysis:       0 

Other comments: None. 

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:       21 scheduled 
                      20 correlated (included in the database) 
                      16 recoverable (usable in Solve/nuSolve) 
                      16 used
  Session fit:        55.641 ps
  UT1 formal error:   15.81 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        1
  0059+581              1           0        0
  0345+460              1           1        1
  0529+483              2           2        2
  0552+398              2           2        2
  0613+570              1           1        1
  0641+392              1           1        0
  0716+714              1           1        1
  0748+126              2           2        0
  0749+540              1           1        1
  0759+183              1           1        1
  0805+410              2           2        2
  NGC6251               1           1        1
  3C371                 1           1        1
  2113+293              1           1        1
  2214+350              1           1        0
  2229+695              1           1        1
  ------------  ---------  ----------   ------
  Source Total         21          20       16

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