USNO Analysis Report for Q19028 ($19JAN28XK) 
       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:    4 

    WETTZ13N:WETTZELL, 0805+410, 07:08:29 --- S-band data not in database 
    WETTZ13N:WETTZELL, 2215+150, 07:16:45 --- S-band data not in database 
    WETTZ13N:WETTZELL, 2209+236, 07:41:02 --- S-band data not in database
    WETTZ13N:WETTZELL, 2144+092, 07:42:14 --- S-band data not in database

Number of observations not usable by the software:     3 

    observation  20, ISHIOKA :WETTZ13N, 0016+731, 07:03:12, quality codes - S:0, X:9 
    observation 128, ISHIOKA :WETTZ13N, 0016+731, 07:25:11, quality codes - S:0, X:9 
    observation 230, ISHIOKA :WETTZ13N, 0016+731, 07:46:29, quality codes - S:0, X:9 

Number of observations rejected during analysis:      46 

    The WETTZ13N:WETTZELL baseline was deselected, accounting for 45 scans.

    observation 215, NYALES20:WETTZELL, 3C418   , 07:43:26, which fits at 167.8 +/- 38.3 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:
         NYALES20 (0,1) WETTZ13N (0,1) WETTZELL (0,1)

Clock breaks: None

Session Statistics 

  Observations:      294 scheduled 
                     290 correlated (included in the database) 
                     287 recoverable (usable in Solve/nuSolve) 
                     241 used
  Session fit:        34.572 ps
  UT1 formal error:    3.63 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731             18          18       12
  0017+200              6           6        5
  0059+581             18          18       15
  0133+476             12          12       10
  0529+483             18          18       15
  0613+570             18          18       15
  0642+449             18          18       15
  0716+714             18          18       15
  0805+410             18          17       15
  0814+425             18          18       15
  0955+476             12          12       10
  1039+811             12          12       10
  1053+704             12          12       10
  1726+455              6           6        5
  1803+784             18          18       15
  3C371                 6           6        5
  2000+472              6           6        5
  3C418                18          18       14
  2144+092             12          11       10
  2209+236             12          11       10
  2215+150              6           5        5
  2229+695             12          12       10
  ------------  ---------  ----------   ------
  Source Total        294         290      241

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