USNO Analysis Report for I18351 ($18DEC17XU) 
       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:     7 

    observation   7, KOKEE   :WETTZ13N, 1929+226, 18:36:17, quality codes - S:9, X:0 
    observation   8, KOKEE   :WETTZELL, 1929+226, 18:36:17, quality codes - S:9, X:0 
    observation  41, KOKEE   :WETTZELL, 1846+322, 19:09:22, quality codes - S:9, X:0 
    observation  46, KOKEE   :WETTZ13N, 1929+226, 19:15:34, quality codes - S:9, X:0 
    observation  47, KOKEE   :WETTZELL, 1929+226, 19:15:34, quality codes - S:9, X:0 
    observation  58, KOKEE   :WETTZ13N, 3C371   , 19:29:06, quality codes - S:9, X:0 
    observation  59, KOKEE   :WETTZELL, 3C371   , 19:29:06, 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:       60 scheduled 
                      60 correlated (included in the database) 
                      53 recoverable (usable in Solve/nuSolve) 
                      33 used
  Session fit:        45.717 ps
  UT1 formal error:    9.89 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0602+673              3           3        2
  0716+714              3           3        2
  0738+491              3           3        2
  0800+618              3           3        2
  0805+410              6           6        4
  0955+476              3           3        2
  1053+815              3           3        2
  1300+580              3           3        2
  1418+546              3           3        2
  1636+473              6           6        4
  1732+389              3           3        2
  1803+784              3           3        2
  1800+440              3           3        2
  3C371                 3           3        0
  1846+322              3           3        1
  1929+226              6           6        0
  2229+695              3           3        2
  ------------  ---------  ----------   ------
  Source Total         60          60       33

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