NASA Analysis Report for P23021 (20230121-p23021) 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: 35 observation of 1954-388 at 18:15:00 observation of 1920-211 at 18:16:20 observation of 2008-159 at 18:17:25 observation of 1936-155 at 18:18:24 observation of 1909+161 at 18:20:01 observation of 1758+388 at 18:21:18 observation of 1745+624 at 18:22:33 observation of 1851+488 at 18:23:39 observation of NGC6251 at 18:25:03 observation of 1803+784 at 18:25:58 observation of 2229+695 at 18:27:14 observation of 0016+731 at 18:28:16 observation of 2353+816 at 18:29:13 observation of 0454+844 at 18:30:17 observation of 0716+714 at 18:31:32 observation of 1053+704 at 18:32:50 observation of 1300+580 at 18:34:09 observation of 1330+476 at 18:35:12 observation of 1327+504 at 18:36:01 observation of 1418+546 at 18:37:09 observation of 1636+473 at 18:38:25 observation of 1732+389 at 18:39:30 observation of 1726+455 at 18:40:24 observation of 1746+470 at 18:41:17 observation of 1800+440 at 18:42:07 observation of 1846+322 at 18:43:10 observation of 1929+226 at 18:44:14 observation of 1952+138 at 18:45:13 observation of 1921-293 at 18:47:31 observation of 1908-201 at 18:48:46 observation of 2008-159 at 18:49:54 observation of 2127-096 at 18:51:09 observation of 2059+034 at 18:52:19 observation of 2215+150 at 18:53:36 observation of 2113+293 at 18:54:58 Number of observations not usable by the software: 12 observation 1, HN-VLBA :MK-VLBA , 2155+312, 18:56:13, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' observation 2, HN-VLBA :MK-VLBA , 2214+241, 18:57:13, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' observation 6, HN-VLBA :MK-VLBA , 0718+793, 19:02:54, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' observation 8, HN-VLBA :MK-VLBA , 1300+580, 19:05:22, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' observation 9, HN-VLBA :MK-VLBA , 1330+476, 19:06:22, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' observation 10, HN-VLBA :MK-VLBA , 1327+504, 19:07:15, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' observation 13, HN-VLBA :MK-VLBA , 1520+319, 19:10:37, quality code X: 0 S: 8, fringe code X: ' ' S: ' ' observation 14, HN-VLBA :MK-VLBA , 1520+437, 19:11:40, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' observation 15, HN-VLBA :MK-VLBA , 1651+391, 19:12:49, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' observation 30, HN-VLBA :MK-VLBA , 1909+161, 19:30:35, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' observation 31, HN-VLBA :MK-VLBA , 1308+554, 19:33:11, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' observation 37, HN-VLBA :MK-VLBA , 2353+816, 19:40:00, 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 41 correlated (included in the database) 29 recoverable (usable in Solve/nuSolve) 29 used Session fit: 27.949 ps UT1 formal error: 14.20 microsec Source Performance Number of Observations Scheduled Correlated* Used 0016+731 2 1 1 0454+844 1 0 0 0716+714 1 0 0 0718+793 1 1 0 1039+811 1 1 1 1053+704 2 1 1 1053+815 1 1 1 1300+580 2 1 0 1308+554 1 1 0 1327+504 2 1 0 1330+476 2 1 0 1342+662 1 1 1 1418+546 2 1 1 1504+377 1 1 1 1520+319 1 1 0 1520+437 1 1 0 1636+473 1 0 0 NGC6251 2 1 1 NRAO512 1 1 1 1651+391 1 1 0 DA426 1 1 1 1705+018 1 1 1 1725+123 1 1 1 1726+455 1 0 0 1732+389 1 0 0 1741-038 1 1 1 1745+624 1 0 0 1746+470 1 0 0 1749+096 1 1 1 1758+388 2 1 1 1800+440 1 0 0 1803+784 2 1 1 1846+322 1 0 0 1851+488 1 0 0 1908-201 2 1 1 1909+161 2 1 0 1920-211 2 1 1 1921-293 1 0 0 1929+226 1 0 0 1936-155 2 1 1 1952+138 1 0 0 1954-388 1 0 0 2000+472 1 1 1 2008-159 3 1 1 3C418 1 1 1 2059+034 1 0 0 2113+293 1 0 0 2126-158 1 1 1 2127-096 1 0 0 2142+110 1 1 1 2143-156 1 1 1 2155+312 1 1 0 2201+171 1 1 1 2208-137 1 1 1 2209+236 1 1 1 2214+241 1 1 0 2215+150 1 0 0 2229+695 2 1 1 2353+816 2 1 0 ------------ --------- ---------- ------ Source Total 76 41 29 * Correlated means included in database. Please note that the number of recoverable (usable) observations cannot be broken down by source for Intensive solutions.