IVS Analysis Report for I19031 ($19JAN31XU) 
       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: the baseline WETTZ13N:WETTZELL has no any good observation and was deselected. 

Number of observations rejected during correlation:    1 

    WETTZ13N:WETTZELL, 2209+236, 19:16:53 --- not in data base: probable G- or H- code in one or both bands

Number of observations not usable by the software:     7 

    observation    3, WETTZ13N:WETTZELL, 1128+385, 18:30:23, quality code X-band: 9 S-band: 9 
    observation    6, WETTZ13N:WETTZELL, 2141+175, 18:34:42, quality code X-band: 8 S-band: 9 
    observation    9, WETTZ13N:WETTZELL, 1746+470, 18:38:44, quality code X-band: 9 S-band: 9 
    observation   10, KOKEE   :WETTZ13N, 0016+731, 18:41:45, quality code X-band: 0 S-band: 0 
    observation   11, KOKEE   :WETTZELL, 0016+731, 18:41:45, quality code X-band: 0 S-band: 0 
    observation   12, WETTZ13N:WETTZELL, 0016+731, 18:41:45, quality code X-band: 8 S-band: 9 
    observation   15, WETTZ13N:WETTZELL, 1803+784, 18:43:14, quality code X-band: 8 S-band: 9 
    observation   18, WETTZ13N:WETTZELL, 2229+695, 18:45:48, quality code X-band: 8 S-band: 9 
    observation   21, WETTZ13N:WETTZELL, 2113+293, 18:49:57, quality code X-band: 8 S-band: 9 
    observation   24, WETTZ13N:WETTZELL, 3C371   , 18:53:18, quality code X-band: 8 S-band: 9 
    observation   27, WETTZ13N:WETTZELL, 1418+546, 18:55:53, quality code X-band: 8 S-band: 9 
    observation   31, WETTZ13N:WETTZELL, 1300+580, 19:04:40, quality code X-band: 8 S-band: 9 
    observation   34, WETTZ13N:WETTZELL, 2229+695, 19:08:10, quality code X-band: 8 S-band: 9 
    observation   35, KOKEE   :WETTZ13N, 2319+317, 19:12:41, quality code X-band: 0 S-band: 9 
    observation   37, WETTZ13N:WETTZELL, 2319+317, 19:12:41, quality code X-band: 8 S-band: 9 
    observation   38, KOKEE   :WETTZ13N, 2209+236, 19:16:53, quality code X-band: 0 S-band: 9 
    observation   39, KOKEE   :WETTZELL, 2209+236, 19:16:53, quality code X-band: 0 S-band: 9 
    observation   43, WETTZ13N:WETTZELL, 1418+546, 19:21:03, quality code X-band: 8 S-band: 9 
    observation   44, KOKEE   :WETTZ13N, 0016+731, 19:24:35, quality code X-band: 0 S-band: 0 
    observation   45, KOKEE   :WETTZELL, 0016+731, 19:24:35, quality code X-band: 0 S-band: 0 
    observation   46, WETTZ13N:WETTZELL, 0016+731, 19:24:35, quality code X-band: 8 S-band: 9 

Number of observations rejected during analysis:      16 

    observation    8, KOKEE   :WETTZELL, 1746+470, 18:38:44, which fits at     -257.8 +/-     101.5 ps 
    observation   16, KOKEE   :WETTZ13N, 2229+695, 18:45:48, which fits at     -301.5 +/-      89.6 ps 

Other comments: Preliminary solution; the data for SVETLOE have not arrived yet. 

Parameterization: 
   10 parameters: 
     UT1 offset 
     atmosphere offset for:
         KOKEE WETTZ13N WETTZELL
     clock offset, first order term, and second order term for:
         WETTZ13N WETTZELL

Clock breaks: None

Session Statistics 

  Observations:       76 scheduled (from all stations---includes SVETLOE)
                      47 scheduled (from available stations---does not include
                                    SVETLOE)
                      46 correlated (included in the database) 
                      39 recoverable (usable in Solve/nuSolve) 
                      23 used
  Session fit:        38.321 ps
  UT1 formal error:   15.32 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              9           6        0
  1128+385              6           3        2
  1300+580              3           3        2
  1418+546             12           6        4
  NGC6251               3           1        1
  1746+470              6           3        1
  1803+784              6           3        2
  3C371                 3           3        2
  2113+293              6           3        2
  2141+175              3           3        2
  2209+236              3           2        0
  2229+695              9           6        3
  2319+317              6           3        1
  2356+385              1           1        1
  ------------  ---------  ----------   ------
  Source Total         76          46       23

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