BKG Analysis Report for q23021 (20230121-q23021)
       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:     7

    observation    3,          0059+581, MK-VLBA :WETTZELL, 07:30:14, quality codes - S:0, X:9
    observation   35,          0059+581, ISHIOKA :WETTZELL, 07:50:13, quality codes - S:0, X:9
    observation   36,          0059+581, MK-VLBA :WETTZELL, 07:50:13, quality codes - S:-1, X:9
    observation   68,          0059+581, ISHIOKA :WETTZELL, 08:10:02, quality codes - S:0, X:9
    observation   69,          0059+581, MK-VLBA :WETTZELL, 08:10:02, quality codes - S:0, X:9
    observation  101,          0059+581, ISHIOKA :WETTZELL, 08:29:45, quality codes - S:0, X:9
    observation  102,          0059+581, MK-VLBA :WETTZELL, 08:29:45, quality codes - S:0, X:9

Number of observations rejected during analysis:       1

    observation   98, ISHIOKA :WETTZELL, 1039+811, 08:28:27, which fits at -169.3 +/- 91.1 ps

Other comments: 
    The vgosDb BKG analysis output is available at
    ftp://ivs.bkg.bund.de/pub/vlbi/ivsdata/vgosdb_bkg/20230121-q23021.tgz

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

Clock breaks: None.

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

Session Statistics 

  Observations:      102 scheduled (included in correlation report)
                     102 correlated (included in database) 
                      95 recoverable (usable in Solve/nuSolve) 
                      94 used 
  Session fit:        35.279 ps
  UT1 formal error:    6.030 microsec

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


Source Performance 

                    Number of Observations

             Scheduled(*)  Correlated*    Used    


  0016+731              9           9        9
  0059+581             12          12        5
  0133+476              9           9        9
  0602+673              3           3        3
  0613+570              6           6        6
  0642+449              9           9        9
  0738+491              9           9        9
  0805+410              9           9        9
  0814+425              9           9        9
  0955+476              6           6        6
  1039+811              9           9        8
  1053+704              6           6        6
  1803+784              6           6        6
  ------------  ---------  ----------   ------
  Source Total        102         102       94

 *  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.