BKG Analysis Report for q20118 (20APR27XK)
       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:     8

    observation  120,          0738+491, WETTZ13N:WETTZELL, 07:15:21, quality codes - S:4, X:9
    observation  128,          0446+112, SESHAN25:WETTZ13N, 07:19:27, quality codes - S:0, X:9
    observation  313,          0256-005, ISHIOKA:WETTZ13N, 07:47:57, quality codes - S:0, X:0
    observation  314,          0256-005, ISHIOKA:WETTZELL, 07:47:57, quality codes - S:0, X:0
    observation  316,          0256-005, NYALES20:WETTZ13N, 07:47:57, quality codes - S:0, X:0
    observation  317,          0256-005, NYALES20:WETTZELL, 07:47:57, quality codes - S:0, X:0
    observation  318,          0256-005, SESHAN25:WETTZ13N, 07:47:57, quality codes - S:0, X:0
    observation  319,          0256-005, SESHAN25:WETTZELL, 07:47:57, quality codes - S:0, X:0

Number of observations rejected during analysis:      10

    observation   50, WETTZ13N:WETTZELL, 0718+793, 07:05:59, which fits at 1705.4 +/- 19.8 ps
    observation  130, WETTZ13N:WETTZELL, 0446+112, 07:19:27, which fits at -1617.9 +/- 24.4 ps
    observation  190, WETTZ13N:WETTZELL, 2229+695, 07:27:59, which fits at -1687.9 +/- 16.0 ps
    observation  230, WETTZ13N:WETTZELL, 1053+704, 07:34:10, which fits at -4335.6 +/- 20.4 ps
    observation  290, WETTZ13N:WETTZELL, 2309+454, 07:43:19, which fits at -23617.8 +/- 19.3 ps
    observation  310, WETTZ13N:WETTZELL, 0221+067, 07:46:31, which fits at 374.0 +/- 16.3 ps
    observation  320, WETTZ13N:WETTZELL, 0256-005, 07:47:57, which fits at -22318.5 +/- 29.3 ps
    observation  330, WETTZ13N:WETTZELL, 0446+112, 07:49:56, which fits at 1750.6 +/- 23.3 ps
    observation  340, WETTZ13N:WETTZELL, 0322+222, 07:51:34, which fits at -2519.6 +/- 16.5 ps
    observation  390, WETTZ13N:WETTZELL, 2229+695, 07:58:17, which fits at 2328.7 +/- 16.7 ps

Other comments: 
    The vgosDb BKG analysis output is available at
    ftp://ivs.bkg.bund.de/pub/vlbi/ivsdata/vgosdb_bkg/20APR27XK.tgz

Parameterization: 
   18 parameters:
     UT1 offset
     atmosphere offset for:
         ISHIOKA  NYALES20 SESHAN25 WETTZ13N WETTZELL
     clock offset (0), first order term (1), and/or second order term (2) for:
         ISHIOKA (0,1,2) NYALES20(0,1,2) SESHAN25(0,1,2) WETTZ13N (0,1,2)

Clock breaks: None.

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

Session Statistics 

  Observations:      393 scheduled (included in correlation report)
                     393 correlated (included in database) 
                     385 recoverable (usable in Solve/nuSolve) 
                     375 used 
  Session fit:        34.211 ps
  UT1 formal error:    4.430 microsec

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


Source Performance 

                    Number of Observations

             Scheduled(*)  Correlated*    Used    


  0016+731             20          20       20
  0059+581             20          20       20
  0119+115             10          10       10
  0133+476             20          20       20
  0202+319             20          20       20
  0221+067             10          10        9
  0256-005             10          10        3
  0322+222             20          20       19
  0446+112             20          20       17
  0529+483             10          10       10
  0552+398             10          10       10
  0613+570             10          10       10
  0642+449             10          10       10
  0716+714             20          20       20
  0718+793             20          20       19
  0738+491             10          10        9
  0814+425             10          10       10
  0955+476             20          20       20
  1039+811             20          20       20
  1053+704             20          20       19
  1418+546             10          10       10
  1803+784             20          20       20
  1849+670             13          13       13
  2229+695             20          20       18
  2309+454             10          10        9
     3C371             10          10       10
  ------------  ---------  ----------   ------
  Source Total        393         393      375

 *  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.