USNO Analysis Report for W19325 ($19NOV21XW) 
       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:    11 

    observation   4, MK-VLBA :PIETOWN , 0738+491, 07:17:13, quality codes - S:0, X:0 
    observation   5, MK-VLBA :WETTZ13N, 0738+491, 07:17:13, quality codes - S:0, X:0 
    observation  20, MK-VLBA :WETTZ13N, 1053+815, 07:29:36, quality codes - S:9, X:0 
    observation  49, MK-VLBA :PIETOWN , 0805+410, 07:53:52, quality codes - S:0, X:0 
    observation  50, MK-VLBA :WETTZ13N, 0805+410, 07:53:52, quality codes - S:0, X:0 
    observation  85, MK-VLBA :PIETOWN , 0759+183, 08:22:50, quality codes - S:0, X:0 
    observation  86, MK-VLBA :WETTZ13N, 0759+183, 08:22:50, quality codes - S:0, X:0 
    observation  91, MK-VLBA :PIETOWN , 0748+126, 08:29:04, quality codes - S:9, X:0 
    observation  92, MK-VLBA :WETTZ13N, 0748+126, 08:29:04, quality codes - S:9, X:0 
    observation 148, MK-VLBA :PIETOWN , OJ287   , 09:12:16, quality codes - S:0, X:0 
    observation 149, MK-VLBA :WETTZ13N, OJ287   , 09:12:16, quality codes - S:0, X:0 

Number of observations rejected during analysis:       1 

    observation 124, MK-VLBA :PIETOWN , 0748+126, 08:53:05, which fits at 96.7 +/- 24.7 ps 

Other comments: None. 

Parameterization: 
   8 parameters: 
     UT1 offset 
     atmosphere offset for:
         MK-VLBA PIETOWN WETTZ13N
     clock offset (0), first order term (1), and/or second order term (2) for:
         PIETOWN (0,1) WETTZ13N (0,1)

Clock breaks: None

Session Statistics 

  Observations:      153 scheduled 
                     153 correlated (included in the database) 
                     142 recoverable (usable in Solve/nuSolve) 
                     141 used
  Session fit:        22.164 ps
  UT1 formal error:    2.92 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0059+581              9           9        9
  0133+476             12          12       12
  0307+380              3           3        3
  0345+460              9           9        9
  0415+398              6           6        6
  0529+483             12          12       12
  0536+145              3           3        3
  0552+398             12          12       12
  0602+673              9           9        9
  0613+570             12          12       12
  0714+457              3           3        3
  0716+714              9           9        9
  0738+491              9           9        7
  0748+126              6           6        3
  0749+540              3           3        3
  0759+183              6           6        4
  0805+410              9           9        7
  OJ287                 3           3        1
  1053+815              3           3        2
  NGC6251               3           3        3
  1803+784              3           3        3
  2229+695              9           9        9
  ------------  ---------  ----------   ------
  Source Total        153         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.