NASA Analysis Report for P23090 (20230331-p23090)
       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 , 1300+580, 18:15:08, quality code X: 0 S: 0, fringe code X: ' ' S: ' '
    observation    2, HN-VLBA :MK-VLBA , 1418+546, 18:16:10, quality code X: 0 S: 9, fringe code X: ' ' S: ' '
    observation   30, HN-VLBA :MK-VLBA , 1342+662, 18:48:30, quality code X: 0 S: 0, fringe code X: ' ' S: ' '
    observation   31, HN-VLBA :MK-VLBA , 1418+546, 18:49:50, quality code X: 0 S: 0, fringe code X: ' ' S: ' '
    observation   62, HN-VLBA :MK-VLBA , 1745+624, 19:25:11, quality code X: 0 S: 9, fringe code X: ' ' S: ' '

Number of observations rejected during analysis:       1

    observation   74, HN-VLBA :MK-VLBA , 2227-088, 19:39:25, which fits at     -144.9 +/-      43.5 ps

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:       79 scheduled
                      79 correlated (included in the database)
                      74 recoverable (usable in Solve/nuSolve)
                      73 used
  Session fit:        47.059 ps
  UT1 formal error:    8.55 microsec

Source Performance

                    Number of Observations

                Scheduled  Correlated*    Used

  0003-066              1           1        1
  0008-264              2           2        2
  0035-252              2           2        2
  0048-097              1           1        1
  0055-059              1           1        1
  0109+224              1           1        1
  0115-214              2           2        2
  0119+115              1           1        1
  0201+113              1           1        1
  0206+136              1           1        1
  0215+015              1           1        1
  0221+067              1           1        1
  0229+131              1           1        1
  0235+164              1           1        1
  0237-027              1           1        1
  0239+175              1           1        1
  0307+380              1           1        1
  0322+222              1           1        1
  0340+362              1           1        1
  0454+844              1           1        1
  1300+580              1           1        0
  1342+662              1           1        0
  1357+769              1           1        1
  1418+546              2           2        0
  1636+473              1           1        1
  NGC6251               2           2        2
  1726+455              2           2        2
  1745+624              2           2        1
  1746+470              3           3        3
  1800+440              2           2        2
  1803+784              2           2        2
  1806+456              3           3        3
  3C371                 2           2        2
  1823+689              2           2        2
  1842+681              2           2        2
  1849+670              2           2        2
  1851+488              2           2        2
  2000+472              2           2        2
  2017+743              1           1        1
  3C418                 2           2        2
  2106+143              1           1        1
  2142+110              1           1        1
  2144+092              1           1        1
  2149+056              1           1        1
  2155+312              1           1        1
  2209+236              1           1        1
  2214+241              1           1        1
  2214+350              1           1        1
  3C446                 1           1        1
  2227-088              1           1        0
  2254+074              1           1        1
  2307+106              1           1        1
  2318+049              1           1        1
  2319+317              1           1        1
  2325+093              1           1        1
  2335-027              1           1        1
  2355-106              2           2        2
  2357-318              1           1        1
  ------------  ---------  ----------   ------
  Source Total         79          79       73

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