NASA Analysis Report for P23123 (20230503-p23123)
       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 Sergei Bolotin, NVI, Inc. / NASA Goddard Space Flight Center.
    Spoolfile source: nuSolve solutions.)

Session scheduled at USNO, correlated at WASH and analyzed at NASA

Problems: None.

Number of observations rejected during correlation:    0

Number of observations not usable by the software:     5

    observation    1, HN-VLBA :MK-VLBA , 0227-369, 18:15:09, quality code X: 9 S: 0, fringe code X: ' ' S: ' '
    observation   16, HN-VLBA :MK-VLBA , 1623+578, 18:35:13, quality code X: 9 S: 0, fringe code X: ' ' S: ' '
    observation   22, HN-VLBA :MK-VLBA , 1851+488, 18:42:48, quality code X: 9 S: 0, fringe code X: ' ' S: ' '
    observation   46, HN-VLBA :MK-VLBA , 0256-005, 19:11:37, quality code X: 0 S: 0, fringe code X: ' ' S: ' '
    observation   49, HN-VLBA :MK-VLBA , 0115-214, 19:15:23, quality code X: 0 S: 9, fringe code X: ' ' S: ' '

Number of observations rejected during analysis:       0

Other comments: None.

Parameterization:
    6 parameters:
     UT1 offset
     atmosphere offset for:
         HN-VLBA MK-VLBA
     clock offset, first order term, and second order term for:
         MK-VLBA

Clock breaks:  None

Session statistics

  Observations:       76 scheduled
                      76 correlated (included in the database)
                      71 recoverable (usable in Solve/nuSolve)
                      71 used
  Session fit:        33.489 ps
  UT1 formal error:    5.81 microsec

Source Performance

                    Number of Observations

                Scheduled  Correlated*    Used

  0003-066              1           1        1
  0016+731              1           1        1
  0017+200              1           1        1
  0019+058              1           1        1
  0025+197              1           1        1
  0035-252              1           1        1
  0048-097              1           1        1
  0055-059              1           1        1
  0111+021              1           1        1
  0115-214              2           2        1
  0134+311              1           1        1
  0151+474              1           1        1
  0215+015              1           1        1
  0221+067              1           1        1
  0227-369              1           1        0
  0237-027              1           1        1
  0256-005              1           1        0
  CTA26                 1           1        1
  0338-214              1           1        1
  0340+362              1           1        1
  0346-279              2           2        2
  0347-211              2           2        2
  0400-319              1           1        1
  0402-362              1           1        1
  0403-132              2           2        2
  0414-189              2           2        2
  0420+022              1           1        1
  0420-014              1           1        1
  0422+004              1           1        1
  0434-188              1           1        1
  0442+389              1           1        1
  0446+112              1           1        1
  0454+844              1           1        1
  0458-020              1           1        1
  0506+101              2           2        2
  0515+208              2           2        2
  0524+034              1           1        1
  0536+145              1           1        1
  0544+273              1           1        1
  0602+673              1           1        1
  0716+714              1           1        1
  0718+793              1           1        1
  1357+769              1           1        1
  1623+578              1           1        0
  NGC6251               2           2        2
  1745+624              2           2        2
  1803+784              2           2        2
  3C371                 2           2        2
  1823+689              2           2        2
  1842+681              2           2        2
  1849+670              2           2        2
  1851+488              1           1        0
  2000+472              1           1        1
  2017+743              1           1        1
  3C418                 1           1        1
  2254+074              1           1        1
  2307+106              1           1        1
  2318+049              1           1        1
  2325+093              1           1        1
  2335-027              1           1        1
  2353+816              1           1        1
  2355-106              1           1        1
  ------------  ---------  ----------   ------
  Source Total         76          76       71

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