USNO Analysis Report for I18255 ($18SEP12XU) 
       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:     9

    observation  3, 1418+546, 18:34:00, quality codes - S:0, X:0
    observation  4, 0738+491, 18:37:12, quality codes - S:9, X:0
    observation 10, 0716+714, 18:53:09, quality codes - S:0, X:8
    observation 13, 1300+580, 19:00:26, quality codes - S:9, X:0
    observation 14, 1101+384, 19:04:11, quality codes - S:9, X:0
    observation 16, 0016+731, 19:10:55, quality codes - S:9, X:0
    observation 18, 0345+460, 19:17:54, quality codes - S:9, X:0
    observation 20, 0340+362, 19:23:37, quality codes - S:0, X:0
    observation 22, 0016+731, 19:29:41, quality codes - S:9, X:0

Number of observations rejected during analysis:       0 

Other comments: None. 

Parameterization: 
   5 parameters: 
     UT1 offset 
     atmosphere offset for:
         KOKEE WETTZELL
     clock offset (0), first order term (1), and/or second order term (2) for:
         WETTZELL (0,1)

Clock breaks: None

Session Statistics 

  Observations:       22 scheduled 
                      22 correlated (included in the database) 
                      13 recoverable (usable in Solve/nuSolve) 
                      13 used
  Session fit:        43.778 ps
  UT1 formal error:   13.65 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              2           2        0
  0059+581              1           1        1
  0340+362              1           1        0
  0345+460              1           1        0
  0529+483              2           2        2
  0613+570              1           1        1
  0716+714              1           1        0
  0718+793              1           1        1
  0738+491              1           1        0
  0800+618              1           1        1
  0955+476              1           1        1
  1053+815              1           1        1
  1101+384              1           1        0
  1144+402              1           1        1
  1156+295              1           1        1
  1300+580              1           1        0
  1324+224              2           2        2
  1418+546              1           1        0
  1803+784              1           1        1
  ------------  ---------  ----------   ------
  Source Total         22          22       13

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