USNO Analysis Report for Q20256 ($20SEP12XK) 
       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:     3 

    observation   2, WETTZELL:MK-VLBA , 1418+546, 07:31:51, quality codes - S:0, X:9 
    observation  16, WETTZELL:MK-VLBA , 1842+681, 07:47:56, quality codes - S:0, X:9 
    observation  33, WETTZELL:MK-VLBA , 1842+681, 08:09:35, quality codes - S:0, X:9 

Number of observations rejected during analysis:       4 

    observation   1, WETTZELL:MK-VLBA , 1504+377, 07:30:32, which fits at  3580.5 +/- 57.5 ps 
    observation  13, WETTZELL:MK-VLBA , 2309+454, 07:44:30, which fits at  3489.4 +/- 48.3 ps 
    observation  28, WETTZELL:MK-VLBA , 1732+389, 08:02:48, which fits at -3516.7 +/- 72.9 ps 
    observation  38, WETTZELL:MK-VLBA , 2353+816, 08:16:54, which fits at -3490.9 +/- 45.0 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:       48 scheduled 
                      48 correlated (included in the database) 
                      45 recoverable (usable in Solve/nuSolve) 
                      41 used
  Session fit:        35.945 ps
  UT1 formal error:    5.79 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              3           3        3
  0059+581              3           3        3
  0133+476              3           3        3
  0202+319              2           2        2
  0235+164              2           2        2
  0322+222              1           1        1
  0718+793              2           2        2
  1039+811              3           3        3
  1418+546              1           1        0
  1504+377              1           1        0
  NRAO512               1           1        1
  1726+455              3           3        3
  1732+389              1           1        0
  1746+470              1           1        1
  1803+784              3           3        3
  1806+456              2           2        2
  3C371                 3           3        3
  1842+681              2           2        0
  1849+670              2           2        2
  2000+472              1           1        1
  3C418                 2           2        2
  2229+695              2           2        2
  2309+454              2           2        1
  2353+816              2           2        1
  ------------  ---------  ----------   ------
  Source Total         48          48       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.