USNO Analysis Report for W19206 ($19JUL25XW) 
       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:    16 

    observation  11, MK-VLBA :WETTZELL, 1800+440, 07:22:19, quality codes - S:0, X:0 
    observation  12, PIETOWN :WETTZELL, 1800+440, 07:22:19, quality codes - S:0, X:0 
    observation  32, MK-VLBA :WETTZELL, 2307+106, 07:37:42, quality codes - S:9, X:0 
    observation  33, PIETOWN :WETTZELL, 2307+106, 07:37:42, quality codes - S:9, X:0 
    observation  59, MK-VLBA :WETTZELL, 1520+437, 07:59:54, quality codes - S:9, X:0 
    observation  71, MK-VLBA :WETTZELL, 2307+106, 08:09:24, quality codes - S:9, X:0 
    observation  72, PIETOWN :WETTZELL, 2307+106, 08:09:24, quality codes - S:9, X:0 
    observation  75, PIETOWN :WETTZELL, 2214+350, 08:11:54, quality codes - S:9, X:0 
    observation  92, MK-VLBA :WETTZELL, 1520+437, 08:25:53, quality codes - S:9, X:0 
    observation  98, MK-VLBA :WETTZELL, 2319+317, 08:30:29, quality codes - S:0, X:9 
    observation 104, MK-VLBA :WETTZELL, NGC6251 , 08:33:56, quality codes - S:0, X:9 
    observation 105, PIETOWN :WETTZELL, NGC6251 , 08:33:56, quality codes - S:0, X:9 
    observation 107, MK-VLBA :WETTZELL, 2214+350, 08:36:29, quality codes - S:8, X:0 
    observation 108, PIETOWN :WETTZELL, 2214+350, 08:36:29, quality codes - S:9, X:0 
    observation 137, MK-VLBA :WETTZELL, 2214+350, 09:00:46, quality codes - S:8, X:0 
    observation 138, PIETOWN :WETTZELL, 2214+350, 09:00:46, quality codes - S:9, X:0 

Number of observations rejected during analysis:       2 

    observation  10, MK-VLBA :PIETOWN , 1800+440, 07:22:19, has a G-code on S-band
    observation  74, MK-VLBA :WETTZELL, 2214+350, 08:11:54, which fits at 11764.8 +/- 112.0 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:      156 scheduled 
                     156 correlated (included in the database) 
                     140 recoverable (usable in Solve/nuSolve) 
                     138 used
  Session fit:        57.416 ps
  UT1 formal error:    7.28 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              6           6        6
  0059+581             12          12       12
  0133+476              3           3        3
  0718+793              3           3        3
  1053+815              3           3        3
  1300+580             15          15       15
  1342+662              6           6        6
  1418+546              6           6        6
  1520+437              9           9        7
  NGC6251               3           3        1
  1636+473             15          15       15
  1746+470              3           3        3
  1803+784              6           6        6
  1800+440              3           3        0
  3C371                 9           9        9
  1823+689              3           3        3
  2113+293              6           6        6
  2141+175              3           3        3
  2209+236              3           3        3
  2214+350             12          12        6
  2229+695              9           9        9
  2307+106              6           6        2
  2319+317              9           9        8
  2356+385              3           3        3
  ------------  ---------  ----------   ------
  Source Total        156         156      138

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