NASA Analysis Report for P23121 (20230501-p23121) 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 15, HN-VLBA :MK-VLBA , 1623+578, 18:33:45, quality code X: 9 S: 0, fringe code X: ' ' S: ' ' observation 25, HN-VLBA :MK-VLBA , 0227-369, 18:47:35, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' observation 58, HN-VLBA :MK-VLBA , 0256-005, 19:24:38, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' observation 64, HN-VLBA :MK-VLBA , 1623+578, 19:35:48, quality code X: 0 S: 0, 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: 71 scheduled 71 correlated (included in the database) 66 recoverable (usable in Solve/nuSolve) 66 used Session fit: 29.316 ps UT1 formal error: 5.11 microsec Source Performance Number of Observations Scheduled Correlated* Used 0016+731 1 1 1 0025+197 1 1 1 0055-059 1 1 1 0059+581 2 2 2 0111+021 1 1 1 0115-214 2 2 2 0133+476 1 1 1 0134+311 1 1 1 0151+474 1 1 1 0201+113 2 2 2 0202+319 1 1 1 0215+015 1 1 1 0227-369 2 2 0 0256-005 1 1 0 CTA26 1 1 1 0338-214 1 1 1 0346-279 2 2 2 0347-211 2 2 2 0354+231 1 1 1 0358+210 1 1 1 0400-319 1 1 1 0402-362 1 1 1 0403-132 1 1 1 0414-189 1 1 1 0420+022 1 1 1 0420-014 1 1 1 0422+004 1 1 1 0434-188 1 1 1 0446+112 1 1 1 0454+844 1 1 1 0515+208 1 1 1 0716+714 1 1 1 0718+793 1 1 1 1039+811 1 1 1 1053+815 2 2 2 1623+578 2 2 0 NGC6251 1 1 1 1745+624 3 3 3 1803+784 2 2 2 3C371 3 3 3 1823+689 3 3 3 1842+681 3 3 3 1849+670 3 3 3 1851+488 1 1 1 2017+743 2 2 2 3C418 1 1 1 2229+695 2 2 2 2309+454 1 1 1 2353+816 1 1 1 2356+385 1 1 1 ------------ --------- ---------- ------ Source Total 71 71 66 * Correlated means included in database. Please note that the number of recoverable (usable) observations cannot be broken down by source for Intensive solutions.