USNO Analysis Report for W19178 ($19JUN27XW) 
       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:     3 

    observation   8, MK-VLBA :WETTZELL, 1929+226, 07:20:29, quality codes - S:9, X:0 
    observation  17, MK-VLBA :WETTZELL, 1636+473, 07:27:23, quality codes - S:0, X:9 
    observation 113, MK-VLBA :WETTZELL, 2141+175, 08:38:47, quality codes - S:9, X:0 

Number of observations rejected during analysis:       5 

    observation  12, PIETOWN :WETTZELL, 1732+389, 07:23:35, which fits at   -236.5 +/-  65.7 ps 
    observation  52, MK-VLBA :PIETOWN , 1636+473, 07:55:12, has a G-code on S-band 
    observation  72, PIETOWN :WETTZELL, 1418+546, 08:08:07, which fits at  11816.3 +/- 116.0 ps 
    observation 111, PIETOWN :WETTZELL, 1418+546, 08:36:07, which fits at -11790.2 +/- 109.2 ps 
    observation 121, MK-VLBA :PIETOWN , 1636+473, 08:44:36, has a G-code on S-band

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:      162 scheduled 
                     162 correlated (included in the database) 
                     159 recoverable (usable in Solve/nuSolve) 
                     154 used
  Session fit:        68.122 ps
  UT1 formal error:    7.21 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  1053+815              3           3        3
  1128+385              3           3        3
  1144+402              3           3        3
  1300+580             12          12       12
  1342+662              9           9        9
  1418+546              9           9        7
  NGC6251               3           3        3
  1636+473             15          15       12
  1732+389              3           3        2
  1746+470              3           3        3
  1803+784              3           3        3
  1800+440              3           3        3
  3C371                15          15       15
  1929+226              3           3        2
  2013+163              3           3        3
  2113+293             15          15       15
  2141+175              9           9        8
  2144+092              6           6        6
  2209+236              9           9        9
  2214+350             12          12       12
  2215+150              9           9        9
  2229+695              9           9        9
  2319+317              3           3        3
  ------------  ---------  ----------   ------
  Source Total        162         162      154

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