USNO Analysis Report for W19101 ($19APR11XW) 
       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:     7 

    observation  44, MK-VLBA :WETTZELL, 1342+662, 07:35:21, quality codes - S:0, X:9 
    observation  62, MK-VLBA :WETTZ13N, 0749+540, 07:47:03, quality codes - S:9, X:0 
    observation  64, PIETOWN :WETTZ13N, 0749+540, 07:47:03, quality codes - S:9, X:0 
    observation  86, MK-VLBA :WETTZELL, NGC6251 , 07:58:11, quality codes - S:0, X:9 
    observation 107, MK-VLBA :WETTZELL, 1342+662, 08:13:18, quality codes - S:0, X:9 
    observation 162, PIETOWN :WETTZELL, 1300+580, 08:42:00, quality codes - S:4, X:7 
    observation 182, MK-VLBA :WETTZELL, 1342+662, 08:51:32, quality codes - S:0, X:9 

Number of observations rejected during analysis:      26 

    The WETTZ13N:WETTZELL baseline was deselected, accounting for 23 observations

    observation 160, MK-VLBA :PIETOWN , 1300+580, 08:42:00, has a G-code on S-band
    observation 161, MK-VLBA :WETTZELL, 1300+580, 08:42:00, which fits at -455.8 +/- 85.5 ps 
    observation 213, PIETOWN :WETTZELL, 0602+673, 09:04:39, which fits at  602.2 +/- 46.5 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:      228 scheduled 
                     228 correlated (included in the database) 
                     221 recoverable (usable in Solve/nuSolve) 
                     195 used
  Session fit:        48.224 ps
  UT1 formal error:    4.17 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0529+483              6           6        5
  0552+398              3           3        3
  0602+673              3           3        2
  0613+570             24          24       20
  0716+714             18          18       15
  0718+793              3           3        3
  0738+491              9           9        9
  0749+540              6           6        3
  0800+618              3           3        3
  0805+410              9           9        8
  0955+476             24          24       20
  1053+815              3           3        3
  1300+580              9           9        6
  1342+662              9           9        6
  1418+546             24          24       20
  1520+437              9           9        9
  1606+106              9           9        8
  NGC6251               3           3        2
  1636+473              6           6        6
  NRAO512              12          12       12
  1639+230             12          12       12
  1803+784              6           6        5
  3C371                18          18       15
  ------------  ---------  ----------   ------
  Source Total        228         228      195

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