BKG Analysis Report for q21116 (21APR26XK)
       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 Anastasiia Girdiuk, Federal Agency for Cartography and Geodesy (BKG),
    Spoolfile source: interactive nuSolve analysis.) 

Problems: None.

Number of observations rejected during correlation:    0

Number of observations not usable by the software:     4

    observation   10,          0256-005, SESHAN25:WETTZ13N, 07:04:39, quality codes - S:0, X:0
    observation   11,          0256-005, SESHAN25:WETTZELL, 07:04:39, quality codes - S:0, X:0
    observation   18,          0202+319, WETTZ13N:WETTZELL, 07:07:40, quality codes - S:3, X:9
    observation   83,          1849+670, SESHAN25:WETTZELL, 07:39:13, quality codes - S:0, X:8

Number of observations rejected during analysis:      13

    observation    3, WETTZ13N:WETTZELL, 2325+093, 07:00:15, which fits at 2461.4 +/- 28.0 ps
    observation    6, WETTZ13N:WETTZELL, 2319+317, 07:01:35, which fits at 10076.3 +/- 28.3 ps
    observation   12, WETTZ13N:WETTZELL, 0256-005, 07:04:39, which fits at 9326.6 +/- 44.7 ps
    observation   30, WETTZ13N:WETTZELL, 1053+704, 07:14:12, which fits at 911.1 +/- 29.9 ps
    observation   36, WETTZ13N:WETTZELL, 0613+570, 07:17:27, which fits at -342.1 +/- 28.1 ps
    observation   45, WETTZ13N:WETTZELL, 0738+491, 07:21:37, which fits at 3185.9 +/- 29.0 ps
    observation   54, WETTZ13N:WETTZELL, 2309+454, 07:26:08, which fits at 7014.4 +/- 29.9 ps
    observation   57, WETTZ13N:WETTZELL, 2319+317, 07:27:20, which fits at 8485.6 +/- 28.9 ps
    observation   60, WETTZ13N:WETTZELL, 0025+197, 07:28:38, which fits at -7616.4 +/- 29.0 ps
    observation   96, WETTZ13N:WETTZELL, 1053+704, 07:44:45, which fits at -7376.1 +/- 28.7 ps
    observation  102, WETTZ13N:WETTZELL, 0738+491, 07:47:54, which fits at -3031.4 +/- 28.8 ps
    observation  108, WETTZ13N:WETTZELL, 0613+570, 07:51:00, which fits at -2998.5 +/- 27.8 ps
    observation  117, WETTZ13N:WETTZELL, 2353+816, 07:55:02, which fits at 4065.7 +/- 30.3 ps

Other comments: 
    The vgosDb BKG analysis output is available at
    ftp://ivs.bkg.bund.de/pub/vlbi/ivsdata/vgosdb_bkg/21APR26XK.tgz

Parameterization: 
   10 parameters:
     UT1 offset
     atmosphere offset for:
         SESHAN25 WETTZ13N WETTZELL
     clock offset (0), first order term (1), and/or second order term (2) for:
         SESHAN25(0,1,2) WETTZ13N (0,1,2)

Clock breaks: None.

-----------------------------------------

Session Statistics 

  Observations:      228 scheduled (included in correlation report)
                     126 correlated (included in database) 
                     122 recoverable (usable in Solve/nuSolve) 
                     109 used 
  Session fit:        29.051 ps
  UT1 formal error:    5.370 microsec

-----------------------------------------


Source Performance 

                    Number of Observations

             Scheduled(*)  Correlated*    Used    


  0016+731              6           6        6
  0025+197              6           3        2
  0059+581             12           6        6
  0119+115             12           6        6
  0133+476              6           3        3
  0202+319             12           6        5
  0215+015              6           3        3
  0235+164              6           3        3
  0256-005              3           3        0
  0322+222              6           3        3
  0552+398              6           3        3
  0613+570             12           6        4
  0641+392              6           3        3
  0642+449              6           3        3
  0716+714             12           6        6
  0718+793              6           3        3
  0738+491             12           6        4
  0955+476             12           6        6
  1039+811              6           3        3
  1053+704             12           6        4
  1418+546             12           6        6
  1803+784              9           6        6
  1849+670              6           3        2
  2229+695              6           6        6
  2309+454              6           3        2
  2319+317             12           6        4
  2325+093              3           3        2
  2353+816              6           3        2
     3C371              3           3        3
  ------------  ---------  ----------   ------
  Source Total        228         126      109

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