USNO Analysis Report for Q21361 ($21DEC27XK) 
       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: NYALES20 cable cal scattered over an ~6 nsec range; was not applied. 

Number of observations rejected during correlation:    0 

Number of observations not usable by the software:     4 

    observation    8, MK-VLBA :WETTZELL, 1520+437, 18:47:04, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation   23, MK-VLBA :WETTZELL, 1520+437, 19:22:36, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' 
    observation   24, MK-VLBA :WETTZELL, 1929+226, 19:26:34, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' 

Number of observations rejected during analysis:       3 

Other comments: None. 

Parameterization: 
   18 parameters: 
     UT1 offset 
     atmosphere offset for:
         ISHIOKA NYALE13S NYALES20 SESHAN25 WETTZELL
     clock offset, first order term, and second order term for:
         ISHIOKA NYALE13S NYALES20 SESHAN25

Clock breaks: None

Session Statistics 

  Observations:      322 scheduled 
                     322 correlated (included in the database) 
                     318 recoverable (usable in Solve/nuSolve) 
                     315 used
  Session fit:        26.751 ps
  UT1 formal error:    2.84 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731             30          30       30
  0059+581             30          30       30
  0133+476             20          20       20
  NRAO150              10          10        6
  0613+570             20          20       19
  1039+811             20          20       20
  1726+455             10          10        9
  1749+096             30          30       30
  1751+288             30          30       30
  1803+784             26          26       26
  3C371                20          20       20
  2000+472             20          20       20
  3C418                26          26       26
  2113+293             20          20       20
  2229+695             10          10        9
  ------------  ---------  ----------   ------
  Source Total        322         322      315

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