USNO Analysis Report for W19133 ($19MAY13XW) 
       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:     6 

    observation  26, MK-VLBA :WETTZELL, 1520+437, 08:48:56, quality codes - S:9, X:0 
    observation  27, PIETOWN :WETTZELL, 1520+437, 08:48:56, quality codes - S:9, X:0 
    observation  62, MK-VLBA :WETTZELL, 1520+437, 09:16:33, quality codes - S:0, X:0 
    observation  63, PIETOWN :WETTZELL, 1520+437, 09:16:33, quality codes - S:0, X:0 
    observation 119, MK-VLBA :WETTZELL, DA426   , 10:03:38, quality codes - S:0, X:0 
    observation 120, PIETOWN :WETTZELL, DA426   , 10:03:38, quality codes - S:0, X:0 

Number of observations rejected during analysis:       6 

    observation  11, MK-VLBA :WETTZELL, NRAO512 , 08:37:40, has a G-code on S-band
    observation  85, MK-VLBA :PIETOWN , DA426   , 09:35:29, has a G-code on S-band
    observation  91, MK-VLBA :PIETOWN , NRAO512 , 09:39:56, has a G-code on S-band
    observation  92, MK-VLBA :WETTZELL, NRAO512 , 09:39:56, has a G-code on S-band
    observation  93, PIETOWN :WETTZELL, NRAO512 , 09:39:56, which fits at -218.0 +/- 67.4 ps 
    observation 107, MK-VLBA :WETTZELL, 1636+473, 09:52:04, which fits at 2639.4 +/- 82.9 ps 

Other comments: WETTZ13N did not participate due to maintenance.

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:      210 scheduled (from all stations---includes WETTZ13N)
                     153 scheduled (from available stations---does not include
                                    WETTZ13N)
                     153 correlated (included in the database) 
                     147 recoverable (usable in Solve/nuSolve) 
                     141 used
  Session fit:        59.314 ps
  UT1 formal error:    7.13 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0716+714              6           3        3
  0749+540              3           3        3
  0800+618              3           3        3
  0955+476             18           9        9
  1053+815              3           3        3
  1128+385              6           3        3
  1144+402              6           3        3
  1300+580             12          12       12
  1342+662              9           9        9
  1418+546             18           9        9
  1520+437              6           6        2
  NGC6251               3           3        3
  1636+473             12          12       11
  NRAO512               9           9        5
  DA426                 6           6        3
  1746+470              6           6        6
  1758+388              6           6        6
  1803+784              6           3        3
  3C371                30          15       15
  1929+226             12          12       12
  2013+163              6           6        6
  2113+293             12           6        6
  2229+695             12           6        6
  ------------  ---------  ----------   ------
  Source Total        210         153      141

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