USNO Analysis Report for W19128 ($19MAY08XW) 
       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 Christopher Dieck, US Naval Observatory.
    Spoolfile source: interactive nuSolve analysis.) 

Problems: None. 

Number of observations rejected during correlation:    0 

Number of observations not usable by the software:     4 

    observation   5, MK-VLBA :WETTZELL, 0714+457, 07:19:17, quality codes - S:0, X:9 
    observation  41, MK-VLBA :WETTZELL, NGC6251 , 07:45:33, quality codes - S:0, X:9 
    observation  77, MK-VLBA :WETTZELL, 1520+437, 08:15:46, quality codes - S:9, X:0 
    observation 116, MK-VLBA :WETTZELL, 1520+437, 08:48:44, quality codes - S:9, X:0 

Number of observations rejected during analysis:       8 

    observation  59, MK-VLBA :WETTZELL, 1636+473, 07:59:29, which fits at   38.7 +/- 57.1 ps 
    observation  70, MK-VLBA :PIETOWN , 1300+580, 08:10:51, which fits at   -9.9 +/- 62.5 ps 
    observation  71, MK-VLBA :WETTZELL, 1300+580, 08:10:51, which fits at  -81.7 +/- 87.3 ps 
    observation  94, MK-VLBA :PIETOWN , 1342+662, 08:31:15, which fits at  -85.6 +/- 58.7 ps 
    observation  97, MK-VLBA :PIETOWN , 1636+473, 08:34:03, which fits at   16.9 +/- 54.1 ps 
    observation 103, MK-VLBA :PIETOWN , 1300+580, 08:37:41, which fits at  -46.5 +/- 62.5 ps 
    observation 104, MK-VLBA :WETTZELL, 1300+580, 08:37:41, which fits at -171.7 +/- 81.5 ps 
    observation 142, MK-VLBA :PIETOWN , 1651+391, 09:12:30, which fits at   24.0 +/- 59.2 ps 

Other comments: None. 

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

Clock breaks: None

Session Statistics 

  Observations:      147 scheduled 
                     147 correlated (included in the database) 
                     143 recoverable (usable in Solve/nuSolve) 
                     135 used
  Session fit:        55.133 ps
  UT1 formal error:    5.39 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0602+673              3           3        3
  0613+570              6           6        6
  0714+457              3           3        2
  0716+714              9           9        9
  0749+540              3           3        3
  0800+618              3           3        3
  0920+390              6           6        6
  0955+476              9           9        9
  1053+815              3           3        3
  1300+580             12          12        8
  1342+662              9           9        8
  1418+546              3           3        3
  1520+437              6           6        4
  NGC6251               3           3        2
  1636+473              6           6        4
  NRAO512              12          12       12
  1639+230              6           6        6
  1651+391              3           3        2
  DA426                 3           3        3
  1725+123              3           3        3
  1746+470              3           3        3
  1749+096              6           6        6
  1758+388              3           3        3
  1803+784              3           3        3
  1800+440              3           3        3
  3C371                 9           9        9
  1929+226              6           6        6
  2229+695              3           3        3
  ------------  ---------  ----------   ------
  Source Total        147         147      135

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