BKG Analysis Report for C22141 (22MAY21VC)
       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:     3

    observation   21,             OJ287, ISHIOKA :ONSA13SW, 08:55:29, quality codes - S:-, X:3
    observation   88,          0059+581, ISHIOKA :ONSA13SW, 09:35:30, quality codes - S:-, X:3
    observation  103,          0059+581, ISHIOKA :ONSA13SW, 09:43:08, quality codes - S:-, X:4

Number of observations rejected during analysis:       5

    observation   22, ISHIOKA :ONSA13SW, 0759+183, 08:56:22, which fits at 326.0 +/- 39.9 ps
    observation   30, ISHIOKA :ONSA13SW, 0458-020, 09:00:55, which fits at -269.2 +/- 36.8 ps
    observation   52, ISHIOKA :ONSA13SW, 1015+359, 09:13:33, which fits at 690.3 +/- 41.0 ps
    observation   75, ISHIOKA :ONSA13SW, 0759+183, 09:28:04, which fits at 256.9 +/- 38.5 ps
    observation   79, ISHIOKA :ONSA13SW, 1015+359, 09:29:56, which fits at 163.7 +/- 40.8 ps

Other comments: 
    The vgosDb BKG analysis output is available at
    ftp://ivs.bkg.bund.de/pub/vlbi/ivsdata/vgosdb_bkg/22MAY21VC.tgz

Parameterization: 
    6 parameters:
     UT1 offset
     atmosphere offset for:
         ISHIOKA  ONSA13SW
     clock offset (0), first order term (1), and/or second order term (2) for:
         ONSA13SW (0,1,2)

Clock breaks: None.

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

Session Statistics 

  Observations:      257 scheduled (included in correlation report)
                     106 correlated (included in database) 
                     103 recoverable (usable in Solve/nuSolve) 
                      98 used 
  Session fit:        36.456 ps
  UT1 formal error:    3.840 microsec

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


Source Performance 

                    Number of Observations

             Scheduled(*)  Correlated*    Used    


  0016+731             12           4        4
  0059+581              9           3        1
  0133+476              3           1        1
  0300+470             12           4        4
  0446+112             12           3        3
  0458-020              6           2        1
  0528+134             12           4        4
  0529+483             12           4        4
  0536+145              6           1        1
  0556+238              9           2        2
  0602+405              9           3        3
  0602+673             12           4        4
  0657+172              9           3        3
  0716+714             12           4        4
  0736+017              3           1        1
  0749+540              6           2        2
  0754+100              9           3        3
  0759+183              9           3        1
  0805+410              9           3        3
  0812+367             12           4        4
  0917+449              9           3        3
  1015+359              6           2        0
  1030+415              3           1        1
  1039+811             12           3        3
  1053+704             12           4        4
  1418+546             12           4        4
  1637+574             12           4        4
  1642+690             12           2        2
  1739+522             12           4        4
  1823+568             12           3        3
  2007+777              9           2        2
  2229+695              9           3        3
   4C67.05              3           1        1
     DA426             12           4        4
   NGC6251             12           4        4
   NRAO512              3           1        1
     OJ287              9           3        2
  ------------  ---------  ----------   ------
  Source Total        257         106       98

 *  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.