USNO Analysis Report for W19129 ($19MAY09XW) 
       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:    2 

Number of observations not usable by the software:     3 

    observation  63, MK-VLBA :WETTZELL, NGC6251 , 07:41:49, quality codes - S:0, X:9 
    observation 183, MK-VLBA :WETTZELL, 1520+437, 08:56:54, quality codes - S:9, X:0 
    observation 212, PIETOWN :WETTZ13N, 2229+695, 09:12:31, quality codes - S:9, X:0 

Number of observations rejected during analysis:      29 

    The WETTZ13N:WETTZELL baseline was deselected, accounting for 19 observations.

    observation   2, MK-VLBA :WETTZ13N, 1418+546, 07:15:20, has a G-code on S-band
    observation  68, MK-VLBA :PIETOWN , 1300+580, 07:47:19, has a G-code on S-band
    observation  72, MK-VLBA :WETTZELL, 1636+473, 07:49:45, has a G-code on S-band
    observation 101, MK-VLBA :PIETOWN , 1300+580, 08:11:19, has a G-code on S-band
    observation 102, MK-VLBA :WETTZELL, 1300+580, 08:11:19, has a G-code on S-band
    observation 137, MK-VLBA :PIETOWN , NRAO512 , 08:31:53, has a G-code on S-band
    observation 138, MK-VLBA :WETTZELL, NRAO512 , 08:31:53, has a G-code on S-band
    observation 144, MK-VLBA :WETTZELL, 1300+580, 08:35:27, has a G-code on S-band
    observation 202, MK-VLBA :WETTZELL, 1418+546, 09:08:32, has a G-code on S-band
    observation 208, PIETOWN :WETTZELL, 1636+473, 09:10:10, which fits at -667.1 +/- 79.5 ps 

Other comments: None. 

Parameterization: 
   11 parameters: 
     UT1 offset 
     atmosphere offset for:
         MK-VLBA PIETOWN WETTZ13N WETTZELL
     clock offset (0), first order term (1), and/or second order term (2) for:
         PIETOWN (0,1) WETTZ13N (0,1) WETTZELL (0,1)

Clock breaks: None

Session Statistics 

  Observations:      222 scheduled 
                     220 correlated (included in the database) 
                     217 recoverable (usable in Solve/nuSolve) 
                     188 used
  Session fit:        67.139 ps
  UT1 formal error:    6.31 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0602+673              3           3        3
  0613+570              6           6        5
  0716+714             24          24       20
  0738+491              6           6        6
  0800+618              3           3        3
  0805+410             12          12       10
  0955+476             24          24       20
  1053+815              3           3        3
  1300+580             12          12        8
  1342+662              6           6        6
  1418+546             12          12        8
  1520+437              6           6        5
  NGC6251               3           3        2
  1636+473              9           9        7
  NRAO512              12          12       10
  1639+230              6           6        6
  DA426                 6           6        6
  1725+123              3           3        3
  1732+389              3           3        3
  1746+470              6           6        6
  1749+096              3           1        1
  1758+388              3           3        3
  1803+784              6           6        5
  1800+440              9           9        9
  3C371                18          18       15
  1929+226              6           6        6
  2229+695             12          12        9
  ------------  ---------  ----------   ------
  Source Total        222         220      188

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