IVS Analysis Report for W19098 ($19APR08XW) 
       This report is the official IVS analysis report that corresponds to 
       the database maintained by the IVS Data Centers for this session.  
   (Analyzed by Karen Baver, Goddard Space Flight Center VLBI Analysis Center.
    Spoolfile source: interactive solve/nuSolve analysis.) 

Problems: None. 

Number of observations rejected during correlation:    0 

Number of observations not usable by the software:     6 

    observation   56, MK-VLBA :WETTZELL, 1342+662, 08:56:00, quality code X-band: 9 S-band: 0 
    observation   68, MK-VLBA :WETTZELL, 0714+457, 09:05:59, quality code X-band: 9 S-band: 0 
    observation   71, MK-VLBA :WETTZELL, NGC6251 , 09:09:45, quality code X-band: 9 S-band: 0 
    observation  135, WETTZ13N:WETTZELL, 1749+096, 09:45:58, quality code X-band: 9 S-band: 4 
    observation  144, WETTZ13N:WETTZELL, 0955+476, 09:50:20, quality code X-band: 9 S-band: 4 
    observation  204, WETTZ13N:WETTZELL, 0955+476, 10:27:42, quality code X-band: 8 S-band: 3 

Number of observations rejected during analysis:      17 

    observation  137, MK-VLBA :WETTZELL, 1636+473, 09:47:51, which fits at      540.2 +/-      42.8 ps 
    observation  155, MK-VLBA :WETTZELL, 1520+437, 10:00:19, which fits at     -566.2 +/-      85.0 ps 
    observation  185, MK-VLBA :WETTZELL, 1342+662, 10:15:44, which fits at     -556.6 +/-      72.0 ps 

    Also, the WETTZ13N:WETTZELL baseline was deselected, which removed 14 observations.

Other comments: None. 

Parameterization: 
   14 parameters: 
     UT1 offset 
     atmosphere offset for:
         MK-VLBA PIETOWN WETTZ13N WETTZELL
     clock offset, first order term, and second order term for:
         PIETOWN WETTZ13N WETTZELL

Clock breaks: None

Session Statistics 

  Observations:      210 scheduled 
                     210 correlated (included in the database) 
                     204 recoverable (usable in Solve/nuSolve) 
                     187 used
  Session fit:        60.618 ps
  UT1 formal error:    4.26 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0602+673              9           9        9
  0613+570             18          18       15
  0714+457              3           3        2
  0716+714             18          18       15
  0738+491              6           6        6
  0805+410             18          18       15
  0955+476             18          18       15
  1053+815              3           3        3
  1300+580             12          12       12
  1342+662              6           6        4
  1418+546             12          12       10
  1520+437              9           9        8
  NGC6251               3           3        2
  1636+473             12          12       11
  NRAO512              12          12       12
  1639+230              9           9        9
  1651+391              3           3        3
  1725+123              9           9        9
  1732+389              3           3        3
  1749+096              9           9        8
  1800+440              3           3        3
  3C371                12          12       10
  1823+689              3           3        3
  ------------  ---------  ----------   ------
  Source Total        210         210      187

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