USNO Analysis Report for Q18099 ($18APR09XK) 
       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:     5 
    Observation  55, NYALES20:WETTZELL, 1418+546, 07:13:39, quality codes - S:9, X:0
    Observation  56, NYALES20:WETTZ13N, 1418+546, 07:13:39, quality codes - S:9, X:0
    Observation 119,  ISHIOKA:WETTZ13N, 2229+695, 07:29:35, quality codes - S:9, X:0
    Observation 159,  ISHIOKA:NYALES20, 0229+131, 07:42:31, quality codes - S:9, X:0
    Observation 164, NYALES20:WETTZ13N, 1418+546, 07:44:27, quality codes - S:9, X:0

Number of observations rejected during analysis:      37 
    The WETTZ13N:WETTZELL baseline and its 37 scans were deselected as is the standard practice of this analysis center.

Other comments: None. 

Parameterization: 
   11 parameters: 
     UT1 offset 
     atmosphere offset for:
         ISHIOKA NYALES20 WETTZ13N WETTZELL
     clock offset (0), first order term (1), and/or second order term (2) for:
         ISHIOKA (0,1) NYALES20 (0,1) WETTZ13N (0,1)

Clock breaks: None

Session Statistics 

  Observations:      222 scheduled 
                     222 correlated (included in the database) 
                     217 recoverable (usable in Solve/nuSolve) 
                     180 used
  Session fit:        38.412 ps
  UT1 formal error:    4.91 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0059+581              6           6        5
  0119+115             12          12       10
  0133+476             12          12       10
  0229+131             12          12        9
  0552+398             12          12       10
  0718+793              6           6        5
  0955+476             18          18       15
  1300+580             12          12       10
  1418+546             12          12        7
  1803+784              6           6        5
  2229+695              6           6        4
  0415+398             18          18       15
  0529+483              6           6        5
  0716+714              6           6        5
  1144+402              6           6        5
  2309+454             18          18       15
  0016+731              6           6        5
  0017+200             18          18       15
  0202+319             18          18       15
  0642+449              6           6        5
  1849+670              6           6        5
  ------------  ---------  ----------   ------
  Source Total        222         222      180

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