USNO Analysis Report for I19018 ($19JAN18XU) 
       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:    2

    observation of 1803+784 by KOKEE:WETTZ13N at 18:59 was not in the database
    observation of 2000+472 by KOKEE:WETTZ13N at 19:25 was not in the database

Number of observations not usable by the software:     7 

    observation   1, KOKEE   :WETTZ13N, 1128+385, 18:30:40, quality codes - S:0, X:0 
    observation   2, KOKEE   :WETTZELL, 1128+385, 18:30:40, quality codes - S:0, X:0 
    observation   4, KOKEE   :WETTZ13N, 2000+472, 18:34:23, quality codes - S:0, X:9 
    observation   5, KOKEE   :WETTZELL, 2000+472, 18:34:23, quality codes - S:0, X:9 
    observation  47, KOKEE   :WETTZELL, 2000+472, 19:26:57, quality codes - S:0, X:9 
    observation  56, KOKEE   :WETTZ13N, 2000+472, 19:42:33, quality codes - S:0, X:9 
    observation  57, KOKEE   :WETTZELL, 2000+472, 19:42:33, quality codes - S:0, X:9 

Number of observations rejected during analysis:      19 

    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:       60 scheduled 
                      58 correlated (included in the database) 
                      51 recoverable (usable in Solve/nuSolve) 
                      32 used
  Session fit:        30.098 ps
  UT1 formal error:    6.05 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0716+714              3           3        2
  1030+415              6           6        4
  1053+704              3           3        2
  1128+385              6           6        2
  1803+784              6           5        3
  1849+670              6           6        4
  2000+472              9           8        0
  2113+293              3           3        3
  2141+175              6           6        4
  2229+695              6           6        4
  2309+454              6           6        4
  ------------  ---------  ----------   ------
  Source Total         60          58       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.