USNO Analysis Report for I19021 ($19JAN21XU) 
       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:   16

    The WETTZ13N:WETTZELL baseline was not included in the baseline. 

Number of observations not usable by the software:    12 

    observation  3, KOKEE   :WETTZ13N, 2229+695, 18:34:42, quality codes - S:9, X:0 
    observation  4, KOKEE   :WETTZELL, 2229+695, 18:34:42, quality codes - S:9, X:0 
    observation  5, KOKEE   :WETTZ13N, 2141+175, 18:38:43, quality codes - S:9, X:0 
    observation  6, KOKEE   :WETTZELL, 2141+175, 18:38:43, quality codes - S:9, X:0 
    observation  9, KOKEE   :WETTZ13N, 1746+470, 18:45:12, quality codes - S:9, X:0 
    observation 10, KOKEE   :WETTZELL, 1746+470, 18:45:12, quality codes - S:9, X:0 
    observation 11, KOKEE   :WETTZ13N, 3C371   , 18:48:11, quality codes - S:9, X:0 
    observation 21, KOKEE   :WETTZ13N, 2141+175, 19:08:52, quality codes - S:9, X:0 
    observation 22, KOKEE   :WETTZELL, 2141+175, 19:08:52, quality codes - S:9, X:0 
    observation 23, KOKEE   :WETTZELL, NGC6251 , 19:13:06, quality codes - S:9, X:0 
    observation 30, KOKEE   :WETTZ13N, 1300+580, 19:26:49, quality codes - S:9, X:0 
    observation 32, KOKEE   :WETTZ13N, 1144+402, 19:29:35, quality codes - S:0, X:9 

Number of observations rejected during analysis:       0 

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 
                      33 correlated (included in the database) 
                      21 recoverable (usable in Solve/nuSolve) 
                      21 used
  Session fit:        38.040 ps
  UT1 formal error:    7.81 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0716+714              3           2        2
  0955+476              3           2        2
  1040+244              3           2        2
  1128+385              3           2        2
  1144+402              3           2        1
  1300+580              3           2        1
  1418+546              3           2        2
  NGC6251               1           1        0
  1746+470              3           2        0
  1803+784              3           2        2
  3C371                 3           2        1
  2113+293              6           4        4
  2141+175              6           4        0
  2215+150              3           2        2
  2229+695              3           2        0
  ------------  ---------  ----------   ------
  Source Total         49          33       21

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