USNO Analysis Report for Q21051 ($21FEB20XK) 
       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 Nicole Geiger, 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:     3 

    observation   10, WETTZELL:MK-VLBA , 1418+546, 07:40:36, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' 
    observation   11, WETTZELL:MK-VLBA , 1324+224, 07:41:49, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' 
    observation   29, WETTZELL:MK-VLBA , 1417+385, 08:03:48, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' 

Number of observations rejected during analysis:       1 

    observation   35, WETTZELL:MK-VLBA , 0738+491, 08:10:54, which fits at    -2581.0 +/-      96.9 ps 

Other comments: None. 

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

Clock breaks: None

Session Statistics 

  Observations:       49 scheduled 
                      49 correlated (included in the database) 
                      46 recoverable (usable in Solve/nuSolve) 
                      45 used
  Session fit:        34.276 ps
  UT1 formal error:    4.47 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              2           2        2
  0059+581              2           2        2
  0133+476              3           3        3
  0202+319              2           2        2
  0307+380              1           1        1
  0529+483              2           2        2
  0613+570              2           2        2
  0716+714              2           2        2
  0718+793              2           2        2
  0738+491              1           1        0
  0955+476              2           2        2
  1030+415              2           2        2
  1039+811              3           3        3
  1053+704              3           3        3
  1059+282              1           1        1
  1128+385              2           2        2
  1144+402              3           3        3
  3C274                 1           1        1
  1324+224              3           3        2
  1417+385              2           2        1
  1418+546              3           3        2
  1803+784              3           3        3
  2353+816              2           2        2
  ------------  ---------  ----------   ------
  Source Total         49          49       45

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