USNO Analysis Report for W20002 ($20JAN02XW) 
       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:     8 

    observation  13, MK-VLBA :PIETOWN , 1015+359, 07:26:15, quality codes - S:0, X:0 
    observation  14, MK-VLBA :WETTZ13N, 1015+359, 07:26:15, quality codes - S:0, X:0 
    observation  51, PIETOWN :WETTZ13N, NGC6251 , 07:55:41, quality codes - S:0, X:9 
    observation  63, PIETOWN :WETTZ13N, 1053+815, 08:05:53, quality codes - S:9, X:0 
    observation  64, MK-VLBA :PIETOWN , 1040+244, 08:08:23, quality codes - S:0, X:0 
    observation  65, MK-VLBA :WETTZ13N, 1040+244, 08:08:23, quality codes - S:0, X:0 
    observation 145, MK-VLBA :PIETOWN , 1300+580, 09:09:12, quality codes - S:0, X:0 
    observation 146, MK-VLBA :WETTZ13N, 1300+580, 09:09:12, quality codes - S:0, X:0 

Number of observations rejected during analysis:       0 

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:      156 scheduled 
                     156 correlated (included in the database) 
                     148 recoverable (usable in Solve/nuSolve) 
                     148 used
  Session fit:        37.140 ps
  UT1 formal error:    4.04 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0059+581              9           9        9
  0133+476              9           9        9
  0345+460             12          12       12
  0529+483              9           9        9
  0552+398              3           3        3
  0613+570              9           9        9
  0641+392              3           3        3
  0714+457              3           3        3
  0716+714              6           6        6
  0738+491             12          12       12
  0805+410              9           9        9
  OJ287                 9           9        9
  0920+390              3           3        3
  0955+476             12          12       12
  1015+359              9           9        7
  1040+244              6           6        4
  1053+815              3           3        2
  1128+385              3           3        3
  1144+402              3           3        3
  1300+580              3           3        1
  NGC6251               3           3        2
  1803+784              9           9        9
  2229+695              6           6        6
  2356+385              3           3        3
  ------------  ---------  ----------   ------
  Source Total        156         156      148

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