USNO Analysis Report for Q19231 ($19AUG19XK) 
       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  15, ISHIOKA :WETTZELL, 2000+472, 07:15:09, quality codes - S:0, X:9 
    observation  49, ISHIOKA :WETTZELL, 0642+449, 07:55:22, quality codes - S:9, X:0 

Number of observations rejected during analysis:       2 

    observation  25, ISHIOKA :WETTZELL, 1726+455, 07:26:15, which fits at -394.6 +/- 53.4 ps 
    observation  41, ISHIOKA :WETTZELL, 1133-032, 07:46:17, which fits at  194.9 +/- 46.6 ps 

Other comments: WETTZ13N was included in the schedule, but it did not participate because it
 is out for maintenance. 

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

Clock breaks: None

Session Statistics 

  Observations:      156 scheduled (from all stations---includes WETTZ13N)
                      52 scheduled (from available stations---does not include
                                    WETTZ13N)
                      52 correlated (included in the database) 
                      50 recoverable (usable in Solve/nuSolve) 
                      48 used
  Session fit:        36.130 ps
  UT1 formal error:    6.05 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              6           2        2
  0059+581              6           2        2
  0613+570              6           2        2
  0642+449              6           2        1
  0716+714              6           2        2
  0805+410              6           2        2
  0814+425              6           2        2
  0827+243              6           2        2
  OJ287                 6           2        2
  0955+476              6           2        2
  1030+415              6           2        2
  1039+811              6           2        2
  1040+244              6           2        2
  1053+704              6           2        2
  1059+282              3           1        1
  1128+385              3           1        1
  1133-032              3           1        0
  1144+402              6           2        2
  1156+295              6           2        2
  3C274                 3           1        1
  1417+385              6           2        2
  1418+546              3           1        1
  1726+455              3           1        0
  1803+784              6           2        2
  3C371                 3           1        1
  1849+670              6           2        2
  2000+472              6           2        1
  3C418                 6           2        2
  2229+695              6           2        2
  2309+454              3           1        1
  ------------  ---------  ----------   ------
  Source Total        156          52       48

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