USNO Analysis Report for I18052 ($18FEB21XU) 
       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
      Scan 052-1833: FQ = 0 on X-Band due to low SNR from source 1823+689
      Scan 052-1843: FQ = 0 on X-Band due to low SNR from source 2214+350
      Scan 052-1850: FQ = 0 on S-Band due to low SNR from source NGC6251
      Scan 052-1910: FQ = 0 on S-Band due to low SNR from source 2319+317
      Scan 052-1916: FQ = 0 on X-Band due to low SNR from source 2214+350

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:       19 scheduled 
                      19 correlated (included in the database) 
                      14 recoverable (usable in Solve/nuSolve) 
                      14 used
  Session fit:        31.666 ps
  UT1 formal error:   12.18 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              1           1        1
  0059+581              1           1        1
  0133+476              1           1        1
  0718+793              1           1        1
  1144+402              1           1        1
  1300+580              1           1        1
  1342+662              2           2        2
  1418+546              1           1        1
  1520+437              1           1        1
  NGC6251               1           1        0
  1636+473              2           2        2
  1803+784              1           1        1
  1823+689              1           1        0
  2214+350              2           2        0
  2229+695              1           1        1
  2319+317              1           1        0
  ------------  ---------  ----------   ------
  Source Total         19          19       14

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