USNO Analysis Report for Q19091 ($19APR01XK) 
       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:     6 

    observation   3, ISHIOKA :WETTZELL, 3C418   , 07:00:10, quality codes - S:0, X:0 
    observation   5, NYALES20:WETTZELL, 3C418   , 07:00:10, quality codes - S:0, X:0 
    observation  50, ISHIOKA :WETTZ13N, 1418+546, 07:09:00, quality codes - S:9, X:0 
    observation 194, ISHIOKA :WETTZ13N, 1418+546, 07:40:31, quality codes - S:9, X:0 
    observation 210, WETTZ13N:WETTZELL, 1053+704, 07:42:50, quality codes - S:1, X:9 
    observation 270, WETTZ13N:WETTZELL, 1300+580, 07:56:25, quality codes - S:3, X:9 

Number of observations rejected during analysis:       8 

    observation   6, WETTZ13N:WETTZELL, 3C418   , 07:00:10, which fits at -11792.9 +/- 25.5 ps 
    observation  42, WETTZ13N:WETTZELL, 0955+476, 07:06:42, which fits at  -3272.9 +/- 22.2 ps 
    observation  90, WETTZ13N:WETTZELL, 0235+164, 07:16:22, which fits at   -528.1 +/- 30.9 ps 
    observation  96, WETTZ13N:WETTZELL, 2309+454, 07:17:59, which fits at  16062.6 +/- 17.8 ps 
    observation 126, WETTZ13N:WETTZELL, 1300+580, 07:24:54, which fits at    -83.9 +/- 23.8 ps 
    observation 145, ISHIOKA :NYALES20, 3C418   , 07:31:23, has a G-code on X-band 
    observation 234, WETTZ13N:WETTZELL, 0235+164, 07:47:52, which fits at   2944.6 +/- 27.2 ps 
    observation 240, WETTZ13N:WETTZELL, 2309+454, 07:49:29, which fits at  10563.0 +/- 17.0 ps 

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:      282 scheduled 
                     282 correlated (included in the database) 
                     276 recoverable (usable in Solve/nuSolve) 
                     268 used
  Session fit:        32.427 ps
  UT1 formal error:    4.21 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731             12          12       12
  0017+200             12          12       12
  0059+581             12          12       12
  0119+115             12          12       12
  0133+476             12          12       12
  0202+319             12          12       12
  0235+164             12          12       10
  0529+483             12          12       12
  0552+398             12          12       12
  0613+570             12          12       12
  0642+449             12          12       12
  0716+714             12          12       12
  0718+793             12          12       12
  0955+476             12          12       11
  1039+811             12          12       12
  1053+704             12          12       11
  1053+815             12          12       12
  1144+402             12          12       12
  1300+580             12          12       10
  1418+546             12          12       10
  1803+784             12          12       12
  3C418                12          12        8
  2229+695              6           6        6
  2309+454             12          12       10
  ------------  ---------  ----------   ------
  Source Total        282         282      268

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