IVS Analysis Report for V21049 ($21FEB18VI) 
       This report is the official IVS analysis report that corresponds to 
       the database maintained by the IVS Data Centers for this session.  
   (Analyzed by Sergei Bolotin, NVI, Inc. / NASA Goddard Space Flight Center.
    Spoolfile source: interactive solve/nuSolve analysis.) 

Problems: None. 

Number of observations rejected during correlation:    0 

Number of observations not usable by the software:     1 

    observation   22, KOKEE12M:WETTZ13S, 2356+385, 19:02:25, quality code X: 3 S: -, fringe code X: ' ' S: '-' 

Number of observations rejected during analysis:       2 

    observation    2, KOKEE12M:WETTZ13S, 1308+328, 18:31:31, which fits at     -326.7 +/-      46.6 ps 
    observation   37, KOKEE12M:WETTZ13S, 0025+197, 19:24:58, which fits at      199.6 +/-      47.1 ps 

Other comments: noisy session. 

Parameterization: 
   6 parameters: 
     UT1 offset 
     atmosphere offset for:
         KOKEE12M WETTZ13S
     clock offset, first order term, and second order term for:
         WETTZ13S

Clock breaks: None

Session Statistics 

  Observations:       41 scheduled 
                      41 correlated (included in the database) 
                      40 recoverable (usable in Solve/nuSolve) 
                      38 used
  Session fit:        42.880 ps
  UT1 formal error:    7.11 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              2           2        2
  0017+200              2           2        2
  0025+197              1           1        0
  0059+581              4           4        4
  0718+793              1           1        1
  1039+811              1           1        1
  1053+704              4           4        4
  1308+328              1           1        0
  1417+385              2           2        2
  1636+473              2           2        2
  NGC6251               1           1        1
  1803+784              2           2        2
  1823+689              2           2        2
  1842+681              1           1        1
  2000+472              3           3        3
  2155+312              3           3        3
  2214+350              2           2        2
  2309+454              4           4        4
  2356+385              3           3        2
  ------------  ---------  ----------   ------
  Source Total         41          41       38

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