USNO Analysis Report for I18352 ($18DEC18XU) 
       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:     9 

    observation  13, KOKEE   :WETTZ13N, 1726+455, 18:44:56, quality codes - S:9, X:0 
    observation  14, KOKEE   :WETTZELL, 1726+455, 18:44:56, quality codes - S:9, X:0 
    observation  16, KOKEE   :WETTZELL, 1929+226, 18:48:57, quality codes - S:9, X:0 
    observation  32, KOKEE   :WETTZ13N, 1726+455, 19:08:07, quality codes - S:9, X:0 
    observation  35, KOKEE   :WETTZELL, 1929+226, 19:11:51, quality codes - S:9, X:0 
    observation  36, KOKEE   :WETTZ13N, 2229+695, 19:16:09, quality codes - S:9, X:0 
    observation  37, KOKEE   :WETTZELL, 2229+695, 19:16:09, quality codes - S:8, X:0 
    observation  42, KOKEE   :WETTZ13N, 1726+455, 19:23:34, quality codes - S:9, X:0 
    observation  43, KOKEE   :WETTZELL, 1726+455, 19:23:34, quality codes - S:9, X:0 

Number of observations rejected during analysis:      15 

    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:       47 scheduled 
                      47 correlated (included in the database) 
                      38 recoverable (usable in Solve/nuSolve) 
                      23 used
  Session fit:        43.088 ps
  UT1 formal error:    9.87 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0716+714              3           3        2
  0805+410              3           3        2
  1030+415              3           3        2
  1053+704              6           6        4
  1726+455              9           9        1
  1803+784              3           3        2
  1846+322              6           6        4
  1849+670              3           3        2
  1929+226              2           2        0
  2000+472              3           3        2
  2229+695              6           6        2
  ------------  ---------  ----------   ------
  Source Total         47          47       23

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