BKG Analysis Report for Q21261 (21SEP18XK)
       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 Dieter Ullrich, 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:     1

    observation    1,          0221+067, WETTZELL:MK-VLBA , 07:30:27, quality codes - S:0, X:9

Number of observations rejected during analysis:       4

    observation    8, WETTZELL:MK-VLBA , 1732+389, 07:38:08, which fits at 103.2 +/- 35.0 ps
    observation   15, WETTZELL:MK-VLBA , 2353+816, 07:46:21, which fits at 96.0 +/- 32.9 ps
    observation   18, WETTZELL:MK-VLBA , 0235+164, 07:50:54, which fits at -109.4 +/- 23.5 ps
    observation   46, WETTZELL:MK-VLBA , 1842+681, 08:23:45, which fits at 131.0 +/- 44.9 ps

Other comments: 
    The vgosDb BKG analysis output is available at
    ftp://ivs.bkg.bund.de/pub/vlbi/ivsdata/vgosdb_bkg/21SEP18XK.tgz

Parameterization: 
    6 parameters:
     UT1 offset
     atmosphere offset for:
         MK-VLBA  WETTZELL
     clock offset (0), first order term (1), and/or second order term (2) for:
         MK-VLBA (0,1,2)

Clock breaks: None.

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

Session Statistics 

  Observations:      119 scheduled (included in correlation report)
                      51 correlated (included in database) 
                      50 recoverable (usable in Solve/nuSolve) 
                      46 used 
  Session fit:        21.004 ps
  UT1 formal error:    3.000 microsec

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


Source Performance 

                    Number of Observations

             Scheduled(*)  Correlated*    Used    


  0016+731              9           3        3
  0059+581              9           3        3
  0133+476              9           3        3
  0202+319              3           3        3
  0221+067              1           1        0
  0235+164              4           4        3
  1039+811              6           2        2
  1636+473              1           1        1
  1726+455              9           3        3
  1732+389              3           3        2
  1746+470              9           3        3
  1803+784              9           3        3
  1806+456              3           1        1
  1842+681              3           1        0
  1849+670              7           3        3
  1851+488              3           1        1
  2000+472              1           1        1
  2229+695              9           3        3
  2353+816              4           2        1
     3C371              9           3        3
     3C418              3           1        1
     DA426              5           3        3
  ------------  ---------  ----------   ------
  Source Total        119          51       46

 *  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.