USNO Analysis Report for Q22141 ($22MAY21XK) 
       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 David Gordon, 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:     1 

    observation    8, WETTZELL:MK-VLBA , 2000+472, 07:45:19, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' 

Number of observations rejected during analysis:       0 

Other comments: None. 

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

Clock breaks: None

Session Statistics 

  Observations:       33 scheduled 
                      33 correlated (included in the database) 
                      32 recoverable (usable in Solve/nuSolve) 
                      32 used
  Session fit:        47.402 ps
  UT1 formal error:    6.05 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0642+449              1           1        1
  0716+714              2           2        2
  0738+491              3           3        3
  0805+410              3           3        3
  0814+425              3           3        3
  0821+394              2           2        2
  0955+476              1           1        1
  1039+811              2           2        2
  DA426                 2           2        2
  1732+389              3           3        3
  1746+470              2           2        2
  1751+288              3           3        3
  1758+388              1           1        1
  1806+456              1           1        1
  1846+322              1           1        1
  2000+472              2           2        1
  3C418                 1           1        1
  ------------  ---------  ----------   ------
  Source Total         33          33       32

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