USNO Analysis Report for I18353 ($18DEC19XU) 
       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:    14 

    observation   4, KOKEE   :WETTZELL, 1651+391, 18:33:37, quality codes - S:9, X:0 
    observation   5, KOKEE   :WETTZ13N, 1929+226, 18:37:41, quality codes - S:9, X:0 
    observation   6, KOKEE   :WETTZELL, 1929+226, 18:37:41, quality codes - S:9, X:0 
    observation   8, KOKEE   :WETTZ13N, 2229+695, 18:41:16, quality codes - S:9, X:0 
    observation   9, KOKEE   :WETTZELL, 2229+695, 18:41:16, quality codes - S:9, X:0 
    observation  14, KOKEE   :WETTZ13N, 3C371   , 18:45:28, quality codes - S:9, X:0 
    observation  15, KOKEE   :WETTZELL, 3C371   , 18:45:28, quality codes - S:9, X:0 
    observation  23, KOKEE   :WETTZ13N, 1300+580, 18:51:54, quality codes - S:9, X:0 
    observation  24, KOKEE   :WETTZELL, 1300+580, 18:51:54, quality codes - S:9, X:0 
    observation  32, KOKEE   :WETTZ13N, 0920+390, 19:00:40, quality codes - S:9, X:0 
    observation  35, KOKEE   :WETTZ13N, NGC6251 , 19:05:00, quality codes - S:9, X:0 
    observation  47, KOKEE   :WETTZ13N, 0920+390, 19:16:09, quality codes - S:9, X:0 
    observation  56, KOKEE   :WETTZ13N, 1015+359, 19:26:27, quality codes - S:9, X:0 
    observation  57, KOKEE   :WETTZELL, 1015+359, 19:26:27, quality codes - S:9, X:0 

Number of observations rejected during analysis:      20

    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:       61 scheduled 
                      61 correlated (included in the database) 
                      47 recoverable (usable in Solve/nuSolve) 
                      27 used
  Session fit:        50.294 ps
  UT1 formal error:   21.56 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0716+714              3           3        2
  0738+491              6           6        4
  0805+410              9           9        6
  OJ287                 3           3        2
  0920+390              6           6        2
  0955+476              6           6        4
  1015+359              3           3        0
  1053+815              3           3        2
  1300+580              3           3        0
  1418+546              3           3        2
  NGC6251               3           3        1
  1651+391              1           1        0
  1803+784              3           3        2
  3C371                 3           3        0
  1929+226              3           3        0
  2229+695              3           3        0
  ------------  ---------  ----------   ------
  Source Total         61          61       27

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