USNO Analysis Report for W19163 ($19JUN12XW) 
       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  14, MK-VLBA :WETTZELL, 1520+437, 07:25:26, quality codes - S:9, X:0 
    observation  15, PIETOWN :WETTZELL, 1520+437, 07:25:26, quality codes - S:9, X:0 
    observation  50, MK-VLBA :WETTZELL, NRAO512 , 07:54:50, quality codes - S:9, X:0 
    observation  51, PIETOWN :WETTZELL, NRAO512 , 07:54:50, quality codes - S:9, X:0 

Number of observations rejected during analysis:       5 

    observation  32, MK-VLBA :WETTZELL, 1418+546, 07:39:53, which fits at -562.1 +/- 73.9 ps 
    observation  43, MK-VLBA :PIETOWN , 1758+388, 07:48:23, has a G-code on S-band 
    observation  93, PIETOWN :WETTZELL, 1929+226, 08:25:47, which fits at -299.7 +/- 79.5 ps 
    observation 134, MK-VLBA :WETTZELL, 1636+473, 09:00:00, which fits at -325.1 +/- 71.0 ps 
    observation 135, PIETOWN :WETTZELL, 1636+473, 09:00:00, which fits at -294.5 +/- 73.6 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:      153 scheduled 
                     153 correlated (included in the database) 
                     149 recoverable (usable in Solve/nuSolve) 
                     144 used
  Session fit:        63.670 ps
  UT1 formal error:    6.59 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0800+618              3           3        3
  0955+476              6           6        6
  1053+815              3           3        3
  1128+385              6           6        6
  1144+402              6           6        6
  1300+580             12          12       12
  1342+662              9           9        9
  1418+546              3           3        2
  1520+437              3           3        1
  NGC6251               3           3        3
  1636+473              9           9        7
  NRAO512               6           6        4
  1746+470              6           6        6
  1758+388              3           3        2
  1803+784              6           6        6
  1800+440              3           3        3
  3C371                12          12       12
  1823+689              6           6        6
  1929+226              9           9        8
  2013+163              9           9        9
  2113+293              9           9        9
  2141+175              3           3        3
  2144+092              3           3        3
  2209+236              3           3        3
  2214+350              6           6        6
  2229+695              6           6        6
  ------------  ---------  ----------   ------
  Source Total        153         153      144

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