USNO Analysis Report for I19028 ($19JAN28XU) 
       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:    19 

    observation   1, KOKEE   :WETTZ13N, 1128+385, 18:30:39, quality codes - S:9, X:0 
    observation   4, KOKEE   :WETTZ13N, 2141+175, 18:34:17, quality codes - S:9, X:0 
    observation   5, KOKEE   :WETTZELL, 2141+175, 18:34:17, quality codes - S:9, X:0 
    observation   7, KOKEE   :WETTZ13N, 2229+695, 18:38:14, quality codes - S:9, X:0 
    observation   8, KOKEE   :WETTZELL, 2229+695, 18:38:14, quality codes - S:9, X:0 
    observation  13, KOKEE   :WETTZ13N, 2309+454, 18:44:59, quality codes - S:9, X:0 
    observation  14, KOKEE   :WETTZELL, 2309+454, 18:44:59, quality codes - S:9, X:0 
    observation  16, KOKEE   :WETTZ13N, 2000+472, 18:49:00, quality codes - S:0, X:9 
    observation  17, KOKEE   :WETTZELL, 2000+472, 18:49:00, quality codes - S:0, X:9 
    observation  26, KOKEE   :WETTZ13N, 2309+454, 19:02:32, quality codes - S:9, X:0 
    observation  27, KOKEE   :WETTZELL, 2309+454, 19:02:32, quality codes - S:9, X:0 
    observation  29, KOKEE   :WETTZ13N, 2000+472, 19:06:34, quality codes - S:0, X:9 
    observation  30, KOKEE   :WETTZELL, 2000+472, 19:06:34, quality codes - S:0, X:9 
    observation  38, KOKEE   :WETTZ13N, 1123+264, 19:16:33, quality codes - S:9, X:0 
    observation  39, KOKEE   :WETTZELL, 1123+264, 19:16:33, quality codes - S:9, X:0 
    observation  41, KOKEE   :WETTZ13N, 2000+472, 19:21:04, quality codes - S:0, X:9 
    observation  42, KOKEE   :WETTZELL, 2000+472, 19:21:04, quality codes - S:0, X:9 
    observation  44, KOKEE   :WETTZ13N, 2309+454, 19:24:51, quality codes - S:9, X:0 
    observation  45, KOKEE   :WETTZELL, 2309+454, 19:24:51, 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:       49 scheduled 
                      49 correlated (included in the database) 
                      30 recoverable (usable in Solve/nuSolve) 
                      14 used
  Session fit:        34.503 ps
  UT1 formal error:   27.47 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  1030+415              3           3        2
  1053+704              6           6        4
  1123+264              3           3        0
  1128+385              3           3        1
  1803+784              3           3        2
  1849+670              6           6        4
  2000+472              9           9        0
  2113+293              1           1        1
  2141+175              3           3        0
  2229+695              3           3        0
  2309+454              9           9        0
  ------------  ---------  ----------   ------
  Source Total         49          49       14

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