USNO Analysis Report for I18365 ($18DEC31XU) 
       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:     5 

    observation   7, KOKEE   :WETTZELL, 1929+226, 18:37:58, quality codes - S:9, X:0 
    observation  22, KOKEE   :WETTZ13N, 0016+731, 18:58:59, quality codes - S:0, X:0 
    observation  23, KOKEE   :WETTZELL, 0016+731, 18:58:59, quality codes - S:0, X:0 
    observation  31, KOKEE   :WETTZ13N, 1636+473, 19:09:43, quality codes - S:0, X:9 
    observation  34, KOKEE   :WETTZ13N, 2229+695, 19:13:50, quality codes - S:9, X:0 

Number of observations rejected during analysis:      16

    The WETTZ13N:WETTZELL baseline was deselected. 

Other comments: None. 

Parameterization: 
   8 parameters: 
     UT1 offset 
     atmosphere offset for:
         KOKEE WETTZ13N WETTZELL
     clock offset (0), first order term (1), and/or second order term (2) for:
         WETTZ13N (0,1) WETTZELL (0,1)

Clock breaks: None

Session Statistics 

  Observations:       51 scheduled 
                      51 correlated (included in the database) 
                      46 recoverable (usable in Solve/nuSolve) 
                      30 used
  Session fit:        42.137 ps
  UT1 formal error:    8.59 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              3           3        0
  0716+714              3           3        2
  OJ287                 1           1        1
  0955+476              6           6        4
  1015+359              1           1        1
  1144+402              3           3        2
  1300+580              3           3        2
  1418+546              6           6        4
  1636+473              6           6        3
  1732+389              3           3        2
  1803+784              3           3        2
  3C371                 3           3        2
  1929+226              1           1        0
  2113+293              3           3        2
  2229+695              6           6        3
  ------------  ---------  ----------   ------
  Source Total         51          51       30

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