USNO Analysis Report for W20044 ($20FEB13XW) 
       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 Nicole Geiger, Naval Observatory.
    Spoolfile source: interactive nuSolve analysis.) 

Problems: PIETOWN had no fringes for X-band. 

Number of observations rejected during correlation:    0 

Number of observations not usable by the software:   116 

Number of observations rejected during analysis:       0 

Other comments: None. 

Parameterization: 
   5 parameters: 
     UT1 offset 
     atmosphere offset for:
         MK-VLBA WETTZ13N
     clock offset (0), first order term (1), and/or second order term (2) for:
         MK-VLBA (0,1)

Clock breaks: None

Session Statistics 

  Observations:      147 scheduled 
                     147 correlated (included in the database) 
                      31 recoverable (usable in Solve/nuSolve) 
                      31 used
  Session fit:       259.333 ps
  UT1 formal error:   53.12 microsec 

Source Performance 

                    Number of Observations

                Scheduled  Correlated*    Used    

  0016+731              3           3        0
  0059+581              6           6        2
  0133+476              3           3        1
  0307+380              6           6        2
  0345+460              9           9        0
  0415+398              6           6        0
  0529+483             12          12        4
  0613+570              9           9        3
  0714+457              3           3        0
  0716+714              9           9        3
  0718+793              6           6        1
  0749+540              3           3        0
  0804+499              3           3        1
  0805+410              3           3        1
  0920+390              3           3        0
  0955+476              9           9        3
  1040+244              3           3        1
  1053+815              3           3        0
  1128+385              6           6        2
  1144+402              3           3        1
  1156+295              3           3        0
  1212+171              3           3        1
  3C274                 6           6        0
  1300+580             12          12        2
  1324+224              9           9        2
  1418+546              3           3        0
  1803+784              3           3        1
  ------------  ---------  ----------   ------
  Source Total        147         147       31

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