NASA Analysis Report for Q21093 ($21APR03XK) 
       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 Karen Baver, Goddard Space Flight Center VLBI Analysis Center.
    Spoolfile source: interactive solve/nuSolve analysis.) 

Problems: None. 

Number of observations rejected during correlation:    0 

Number of observations not usable by the software:    11 

    observation    1, WETTZELL:MK-VLBA, 1514+197, 07:30:27, quality code X: -1 S:  0
    observation    2, WETTZELL:MK-VLBA, 1504+377, 07:31:47, quality code X:  0 S:  0
    observation    3, WETTZELL:MK-VLBA, 1418+546, 07:33:02, quality code X:  0 S:  0
    observation    5, WETTZELL:MK-VLBA, 0716+714, 07:35:16, quality code X:  0 S: -1
    observation    6, WETTZELL:MK-VLBA, 0613+570, 07:36:17, quality code X: -1 S:  0
    observation    7, WETTZELL:MK-VLBA, 0529+483, 07:37:16, quality code X:  0 S:  0
    observation    8, WETTZELL:MK-VLBA, 0552+398, 07:38:18, quality code X:  0 S:  0
    observation    9, WETTZELL:MK-VLBA, 0642+449, 07:39:30, quality code X:  0 S:  0
    observation   10, WETTZELL:MK-VLBA, 0738+491, 07:40:35, quality code X:  0 S:  0
    observation   11, WETTZELL:MK-VLBA, 0955+476, 07:41:52, quality code X:  0 S:  0
    observation   33, WETTZELL:MK-VLBA, 1849+670, 08:11:24, quality code X:  0 S:  0

Number of observations rejected during analysis:       1 

    observation   20, WETTZELL:MK-VLBA, 1053+704, 07:54:57, which fits at  11647.9   +/-    92.7   ps 

Other comments: nuSolve reported quality codes of -1 for three observations.

Parameterization: 
   6 parameters: 
     UT1 offset 
     atmosphere offset for:
         MK-VLBA WETTZELL
     clock offset, first order term, and second order term for:
         WETTZELL

Clock breaks: None

Session Statistics 

  Observations:       47 scheduled 
                      47 correlated (included in the database) 
                      36 recoverable (usable in Solve/nuSolve) 
                      35 used
  Session fit:        38.502 ps
  UT1 formal error:    6.54 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0418+532              1           1        1
  0529+483              3           3        2
  0552+398              3           3        2
  0613+570              3           3        2
  0642+449              3           3        2
  0716+714              3           3        2
  0738+491              3           3        2
  0955+476              2           2        1
  1039+811              2           2        2
  1053+704              3           3        2
  1417+385              2           2        2
  1418+546              3           3        2
  1504+377              3           3        2
  1514+197              2           2        1
  1606+106              1           1        1
  1617+229              2           2        2
  DA426                 1           1        1
  1803+784              2           2        2
  3C371                 2           2        2
  1849+670              1           1        0
  2353+816              2           2        2
  ------------  ---------  ----------   ------
  Source Total         47          47       35

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