USNO Analysis Report for Q20263 ($20SEP19XK) 
       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:     4 

    observation  10, WETTZELL:MK-VLBA , 1842+681, 07:39:41, quality codes - S:0, X:9 
    observation  23, WETTZELL:MK-VLBA , 0322+222, 07:55:04, quality codes - S:0, X:0 
    observation  28, WETTZELL:MK-VLBA , 1842+681, 08:00:44, quality codes - S:0, X:9 
    observation  45, WETTZELL:MK-VLBA , 1842+681, 08:20:09, quality codes - S:0, X:9 

Number of observations rejected during analysis:       8 

    observation   6, WETTZELL:MK-VLBA , 2353+816, 07:35:39, which fits at -3553.3 +/- 39.2 ps 
    observation   9, WETTZELL:MK-VLBA , 1849+670, 07:38:42, which fits at -3569.6 +/- 28.5 ps 
    observation  12, WETTZELL:MK-VLBA , 1732+389, 07:41:49, which fits at  3566.8 +/- 56.5 ps 
    observation  13, WETTZELL:MK-VLBA , 1806+456, 07:42:51, which fits at  3608.8 +/- 73.1 ps 
    observation  16, WETTZELL:MK-VLBA , 2000+472, 07:46:32, which fits at  3624.1 +/- 39.4 ps 
    observation  32, WETTZELL:MK-VLBA , 1758+388, 08:05:01, which fits at  3601.6 +/- 70.0 ps 
    observation  33, WETTZELL:MK-VLBA , 1746+470, 08:06:15, which fits at -3566.9 +/- 32.8 ps 
    observation  49, WETTZELL:MK-VLBA , 1758+388, 08:24:31, which fits at -3530.9 +/- 67.5 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:
         WETTZELL (0,1)

Clock breaks: None

Session Statistics 

  Observations:       53 scheduled 
                      53 correlated (included in the database) 
                      49 recoverable (usable in Solve/nuSolve) 
                      41 used
  Session fit:        25.380 ps
  UT1 formal error:    4.18 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              3           3        3
  0059+581              4           4        4
  0133+476              3           3        3
  0202+319              3           3        3
  0235+164              2           2        2
  0322+222              2           2        1
  1726+455              3           3        3
  1732+389              3           3        2
  1746+470              3           3        2
  1758+388              2           2        0
  1803+784              3           3        3
  1806+456              3           3        2
  3C371                 3           3        3
  1842+681              3           3        0
  1849+670              3           3        2
  2000+472              1           1        0
  3C418                 1           1        1
  2229+695              4           4        4
  2309+454              1           1        1
  2353+816              3           3        2
  ------------  ---------  ----------   ------
  Source Total         53          53       41

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