USNO Analysis Report for I20120 ($20APR29XU) 
       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:    14 

    observation   2, ISHIOKA :NYALES20, 0017+200, 18:31:55, quality codes - S:9, X:0 
    observation   5, ISHIOKA :NYALES20, 1726+455, 18:35:17, quality codes - S:9, X:0 
    observation   6, ISHIOKA :NYALES20, 1418+546, 18:36:22, quality codes - S:0, X:0 
    observation   9, ISHIOKA :NYALES20, 0017+200, 18:41:54, quality codes - S:9, X:0 
    observation  13, ISHIOKA :NYALES20, 1418+546, 18:46:20, quality codes - S:9, X:0 
    observation  16, ISHIOKA :NYALES20, 0017+200, 18:51:53, quality codes - S:9, X:0 
    observation  19, ISHIOKA :NYALES20, 1418+546, 18:56:14, quality codes - S:0, X:0 
    observation  20, ISHIOKA :NYALES20, 1726+455, 18:57:19, quality codes - S:9, X:0 
    observation  23, ISHIOKA :NYALES20, 0017+200, 19:00:41, quality codes - S:9, X:0 
    observation  28, ISHIOKA :NYALES20, 1726+455, 19:09:33, quality codes - S:9, X:0 
    observation  31, ISHIOKA :NYALES20, 0017+200, 19:13:06, quality codes - S:9, X:0 
    observation  35, ISHIOKA :NYALES20, 1418+546, 19:19:37, quality codes - S:0, X:0 
    observation  36, ISHIOKA :NYALES20, 1726+455, 19:20:43, quality codes - S:9, X:0 
    observation  39, ISHIOKA :NYALES20, 0017+200, 19:25:20, quality codes - S:9, X:0 

Number of observations rejected during analysis:       0 

Other comments: None. 

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

Clock breaks: None

Session Statistics 

  Observations:       41 scheduled 
                      41 correlated (included in the database) 
                      27 recoverable (usable in Solve/nuSolve) 
                      27 used
  Session fit:        37.219 ps
  UT1 formal error:   22.64 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0059+581              1           1        1
  0133+476              5           5        5
  1418+546              4           4        0
  1726+455              5           5        1
  1749+096              2           2        2
  1803+784              4           4        4
  3C418                 5           5        5
  0017+200              6           6        0
  0202+319              3           3        3
  1751+288              6           6        6
  ------------  ---------  ----------   ------
  Source Total         41          41       27

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