USNO Analysis Report for W20023 ($20JAN23XW) 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 Christopher Dieck, US Naval Observatory. Spoolfile source: interactive nuSolve analysis.) Problems: None. Number of observations rejected during correlation: 0 Number of observations not usable by the software: 40 observation 9, PIETOWN :WETTZ13N, 0738+491, 07:19:47, quality codes - S:0, X:9 observation 15, PIETOWN :WETTZ13N, 0345+460, 07:23:56, quality codes - S:0, X:9 observation 19, MK-VLBA :PIETOWN , 1144+402, 07:28:51, quality codes - S:0, X:0 observation 20, MK-VLBA :WETTZ13N, 1144+402, 07:28:51, quality codes - S:0, X:0 observation 24, PIETOWN :WETTZ13N, 1053+815, 07:30:29, quality codes - S:0, X:0 observation 33, PIETOWN :WETTZ13N, 0920+390, 07:37:01, quality codes - S:0, X:8 observation 40, MK-VLBA :PIETOWN , 1300+580, 07:45:12, quality codes - S:0, X:0 observation 41, MK-VLBA :WETTZ13N, 1300+580, 07:45:12, quality codes - S:0, X:0 observation 42, PIETOWN :WETTZ13N, 1300+580, 07:45:12, quality codes - S:0, X:9 observation 50, MK-VLBA :WETTZ13N, NGC6251 , 07:53:32, quality codes - S:0, X:9 observation 51, PIETOWN :WETTZ13N, NGC6251 , 07:53:32, quality codes - S:0, X:9 observation 55, MK-VLBA :PIETOWN , 1156+295, 07:58:16, quality codes - S:0, X:0 observation 56, MK-VLBA :WETTZ13N, 1156+295, 07:58:16, quality codes - S:0, X:0 observation 57, PIETOWN :WETTZ13N, 1156+295, 07:58:16, quality codes - S:9, X:0 observation 63, PIETOWN :WETTZ13N, 0920+390, 08:01:23, quality codes - S:0, X:8 observation 64, MK-VLBA :PIETOWN , 0714+457, 08:04:10, quality codes - S:0, X:8 observation 66, PIETOWN :WETTZ13N, 0714+457, 08:04:10, quality codes - S:0, X:9 observation 69, PIETOWN :WETTZ13N, 1300+580, 08:08:34, quality codes - S:0, X:9 observation 75, PIETOWN :WETTZ13N, 0805+410, 08:14:49, quality codes - S:0, X:9 observation 78, PIETOWN :WETTZ13N, 0529+483, 08:16:43, quality codes - S:0, X:9 observation 81, PIETOWN :WETTZ13N, 0345+460, 08:19:22, quality codes - S:0, X:9 observation 102, PIETOWN :WETTZ13N, 1300+580, 08:33:13, quality codes - S:0, X:9 observation 105, PIETOWN :WETTZ13N, 0920+390, 08:35:52, quality codes - S:0, X:9 observation 108, PIETOWN :WETTZ13N, 0804+499, 08:37:30, quality codes - S:0, X:8 observation 111, PIETOWN :WETTZ13N, 0718+793, 08:39:32, quality codes - S:0, X:9 observation 114, PIETOWN :WETTZ13N, 0805+410, 08:42:42, quality codes - S:0, X:9 observation 115, MK-VLBA :PIETOWN , 0133+476, 08:45:45, quality codes - S:0, X:0 observation 117, PIETOWN :WETTZ13N, 0133+476, 08:45:45, quality codes - S:0, X:0 observation 120, PIETOWN :WETTZ13N, 0345+460, 08:48:34, quality codes - S:0, X:9 observation 123, PIETOWN :WETTZ13N, 0613+570, 08:51:39, quality codes - S:0, X:9 observation 129, PIETOWN :WETTZ13N, 1040+244, 08:55:37, quality codes - S:0, X:9 observation 131, MK-VLBA :WETTZ13N, 1156+295, 08:57:05, quality codes - S:9, X:0 observation 132, PIETOWN :WETTZ13N, 1156+295, 08:57:05, quality codes - S:9, X:0 observation 135, PIETOWN :WETTZ13N, 1300+580, 08:58:52, quality codes - S:0, X:9 observation 137, MK-VLBA :WETTZ13N, 3C274 , 09:00:54, quality codes - S:0, X:0 observation 138, PIETOWN :WETTZ13N, 3C274 , 09:00:54, quality codes - S:0, X:9 observation 144, PIETOWN :WETTZ13N, 0307+380, 09:05:36, quality codes - S:0, X:9 observation 145, MK-VLBA :PIETOWN , 0133+476, 09:07:58, quality codes - S:0, X:0 observation 147, PIETOWN :WETTZ13N, 0133+476, 09:07:58, quality codes - S:0, X:0 observation 153, PIETOWN :WETTZ13N, 0718+793, 09:11:21, quality codes - S:0, X:9 Number of observations rejected during analysis: 1 observation 119, MK-VLBA :WETTZ13N, 0345+460, 08:48:34, which fits at -293.7 +/- 74.0 ps Other comments: None. Parameterization: 8 parameters: UT1 offset atmosphere offset for: MK-VLBA PIETOWN WETTZ13N clock offset (0), first order term (1), and/or second order term (2) for: PIETOWN (0,1) WETTZ13N (0,1) Clock breaks: None Session Statistics Observations: 156 scheduled 156 correlated (included in the database) 116 recoverable (usable in Solve/nuSolve) 115 used Session fit: 41.860 ps UT1 formal error: 5.54 microsec Source Performance Number of Observations Scheduled Correlated* Used 0059+581 6 6 6 0133+476 15 15 11 0307+380 3 3 2 0345+460 9 9 5 0529+483 6 6 5 0613+570 9 9 8 0714+457 3 3 1 0716+714 9 9 9 0718+793 9 9 7 0738+491 6 6 5 0804+499 3 3 2 0805+410 6 6 4 0920+390 9 9 6 0955+476 6 6 6 1015+359 3 3 3 1040+244 12 12 11 1053+815 3 3 2 1101+384 3 3 3 1144+402 3 3 1 1156+295 6 6 1 3C274 3 3 1 1300+580 12 12 6 NGC6251 3 3 1 1803+784 6 6 6 2229+695 3 3 3 ------------ --------- ---------- ------ Source Total 156 156 115 * Correlated means included in the database. Please note that the number of recoverable (usable) observations cannot be broken down by source for Intensive solutions.