IVS Analysis Report for Q19021 ($19JAN21XK) 
       This report is the official IVS analysis report that corresponds to 
       the database maintained by the IVS Data Centers for this session.  
   (Analyzed by Karen Baver, Goddard Space Flight Center VLBI Analysis Center.
    Spoolfile source: interactive solve/nuSolve analysis.) 

Problems: None. 

Number of observations rejected during correlation:    3 

    WETTZ13N:WETTZELL, 0642+449, 07:30:20 --- not in data base: probable G- or H- code in one or both bands
    WETTZ13N:WETTZELL, 0529+483, 07:50:00 --- not in data base: probable G- or H- code in one or both bands
    NYALES20:WETTZELL, 3C418,    07:56:09 --- not in data base: probable G- or H- code in one or both bands

Number of observations not usable by the software:     6 

    observation   42, ISHIOKA :WETTZ13N, 0016+731, 07:05:49, quality code X-band: 9 S-band: 0 
    observation   43, ISHIOKA :WETTZELL, 0016+731, 07:05:49, quality code X-band: 9 S-band: 0 
    observation   84, ISHIOKA :WETTZ13N, 1929+226, 07:14:18, quality code X-band: 0 S-band: 9 
    observation  144, ISHIOKA :WETTZ13N, 0016+731, 07:24:29, quality code X-band: 9 S-band: 0 
    observation  145, ISHIOKA :WETTZELL, 0016+731, 07:24:29, quality code X-band: 9 S-band: 0 
    observation  220, ISHIOKA :WETTZ13N, 1929+226, 07:38:09, quality code X-band: 0 S-band: 9 

Number of observations rejected during analysis:       8 

    observation   31, ISHIOKA :WETTZ13N, 1732+389, 07:03:59, which fits at     -193.0 +/-      51.5 ps 
    observation   81, WETTZ13N:WETTZELL, 2209+236, 07:11:49, which fits at    -1971.9 +/-      67.1 ps 
    observation   89, SESHAN25:WETTZ13N, 1929+226, 07:14:18, which fits at     -332.7 +/-      87.3 ps 
    observation   90, SESHAN25:WETTZELL, 1929+226, 07:14:18, which fits at     -274.8 +/-      49.0 ps 
    observation  221, ISHIOKA :WETTZELL, 1929+226, 07:38:09, which fits at     -378.9 +/-      98.0 ps 
    observation  226, SESHAN25:WETTZELL, 1929+226, 07:38:09, which fits at     -313.3 +/-      49.4 ps 
    observation  237, WETTZ13N:WETTZELL, 2309+454, 07:40:58, which fits at     -416.8 +/-      66.8 ps 
    observation  336, WETTZ13N:WETTZELL, 1846+322, 07:58:49, which fits at    12543.0 +/-      66.2 ps 

Other comments: None. 

Parameterization: 
   18 parameters: 
     UT1 offset 
     atmosphere offset for:
         ISHIOKA NYALES20 SESHAN25 WETTZ13N WETTZELL
     clock offset, first order term, and second order term for:
         NYALES20 SESHAN25 WETTZ13N WETTZELL

Clock breaks: None

Session Statistics 

  Observations:      337 scheduled 
                     334 correlated (included in the database) 
                     328 recoverable (usable in Solve/nuSolve) 
                     320 used
  Session fit:        39.638 ps
  UT1 formal error:    3.96 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0059+581             16          16       16
  0133+476             20          20       20
  3C371                11          11       11
  3C418                30          29       29
  2113+293             10          10       10
  1846+322             10          10        9
  2229+695             10          10       10
  0529+483             20          19       19
  2141+175             10          10       10
  2309+454             20          20       19
  0642+449             19          18       18
  1751+288             10          10       10
  0016+731             13          13        9
  0716+714             30          30       30
  0805+410              6           6        6
  1726+455             30          30       30
  1732+389              1           1        0
  1803+784             21          21       21
  1929+226             20          20       14
  2000+472             10          10       10
  2209+236             10          10        9
  2215+150             10          10       10
  ------------  ---------  ----------   ------
  Source Total        337         334      320

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