USNO Analysis Report for W20051 ($20FEB20XW) 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: Numerous 0-codes in the S-band at PIETOWN, as well as sub-ambiguities, all resulting in very few successful observations on the PIETOWN:WETTZ13N baseline. The correlator reports that the MK-VLBA XR3U and XR4U channels were removed from fringe fitting. The resulting formal error of UT1 is high. Number of observations rejected during correlation: 0 Number of observations not usable by the software: 56 observation 5, MK-VLBA :WETTZ13N, 3C274 , 07:17:25, quality codes - S:0, X:0 observation 6, PIETOWN :WETTZ13N, 3C274 , 07:17:25, quality codes - S:0, X:0 observation 9, PIETOWN :WETTZ13N, 0307+380, 07:20:49, quality codes - S:0, X:8 observation 12, PIETOWN :WETTZ13N, 0920+390, 07:25:17, quality codes - S:0, X:9 observation 14, MK-VLBA :WETTZ13N, 0714+457, 07:27:49, quality codes - S:0, X:9 observation 15, PIETOWN :WETTZ13N, 0714+457, 07:27:49, quality codes - S:0, X:9 observation 18, PIETOWN :WETTZ13N, 0529+483, 07:30:39, quality codes - S:0, X:8 observation 22, MK-VLBA :PIETOWN , 1418+546, 07:35:02, quality codes - S:0, X:0 observation 23, MK-VLBA :WETTZ13N, 1418+546, 07:35:02, quality codes - S:0, X:0 observation 24, PIETOWN :WETTZ13N, 1418+546, 07:35:02, quality codes - S:0, X:0 observation 33, PIETOWN :WETTZ13N, 1300+580, 07:40:43, quality codes - S:0, X:0 observation 35, MK-VLBA :WETTZ13N, 1156+295, 07:42:40, quality codes - S:9, X:0 observation 36, PIETOWN :WETTZ13N, 1156+295, 07:42:40, quality codes - S:0, X:0 observation 45, PIETOWN :WETTZ13N, 0613+570, 07:49:03, quality codes - S:0, X:9 observation 47, MK-VLBA :WETTZ13N, 0016+731, 07:51:12, quality codes - S:9, X:0 observation 50, MK-VLBA :WETTZ13N, 1053+815, 07:52:58, quality codes - S:9, X:0 observation 51, PIETOWN :WETTZ13N, 1053+815, 07:52:58, quality codes - S:0, X:0 observation 54, PIETOWN :WETTZ13N, 1101+384, 07:56:35, quality codes - S:0, X:9 observation 55, MK-VLBA :PIETOWN , 1212+171, 08:00:12, quality codes - S:0, X:9 observation 57, PIETOWN :WETTZ13N, 1212+171, 08:00:12, quality codes - S:0, X:8 observation 59, MK-VLBA :WETTZ13N, 1418+546, 08:03:29, quality codes - S:9, X:0 observation 60, PIETOWN :WETTZ13N, 1418+546, 08:03:29, quality codes - S:0, X:9 observation 62, MK-VLBA :WETTZ13N, 1156+295, 08:05:18, quality codes - S:9, X:0 observation 63, PIETOWN :WETTZ13N, 1156+295, 08:05:18, quality codes - S:0, X:0 observation 65, MK-VLBA :WETTZ13N, 3C274 , 08:06:46, quality codes - S:0, X:0 observation 66, PIETOWN :WETTZ13N, 3C274 , 08:06:46, quality codes - S:0, X:0 observation 69, PIETOWN :WETTZ13N, 1300+580, 08:09:07, quality codes - S:0, X:0 observation 72, PIETOWN :WETTZ13N, 0718+793, 08:11:11, quality codes - S:0, X:0 observation 75, PIETOWN :WETTZ13N, 0529+483, 08:13:00, quality codes - S:0, X:8 observation 78, PIETOWN :WETTZ13N, 0749+540, 08:14:40, quality codes - S:0, X:0 observation 84, PIETOWN :WETTZ13N, 1324+224, 08:21:00, quality codes - S:0, X:9 observation 87, PIETOWN :WETTZ13N, 0738+491, 08:23:39, quality codes - S:0, X:9 observation 90, PIETOWN :WETTZ13N, 1418+546, 08:26:10, quality codes - S:0, X:0 observation 92, MK-VLBA :WETTZ13N, 1156+295, 08:28:01, quality codes - S:9, X:0 observation 93, PIETOWN :WETTZ13N, 1156+295, 08:28:01, quality codes - S:0, X:0 observation 96, PIETOWN :WETTZ13N, 0716+714, 08:30:27, quality codes - S:0, X:6 observation 98, MK-VLBA :WETTZ13N, 1300+580, 08:32:24, quality codes - S:8, X:0 observation 99, PIETOWN :WETTZ13N, 1300+580, 08:32:24, quality codes - S:0, X:0 observation 102, PIETOWN :WETTZ13N, 0529+483, 08:35:02, quality codes - S:0, X:7 observation 105, PIETOWN :WETTZ13N, 0718+793, 08:36:38, quality codes - S:0, X:0 observation 108, PIETOWN :WETTZ13N, 0613+570, 08:38:13, quality codes - S:0, X:7 observation 117, PIETOWN :WETTZ13N, 0749+540, 08:44:12, quality codes - S:0, X:0 observation 123, PIETOWN :WETTZ13N, 1324+224, 08:49:32, quality codes - S:0, X:9 observation 125, MK-VLBA :WETTZ13N, 1156+295, 08:51:10, quality codes - S:9, X:0 observation 126, PIETOWN :WETTZ13N, 1156+295, 08:51:10, quality codes - S:0, X:0 observation 129, PIETOWN :WETTZ13N, 0716+714, 08:53:53, quality codes - S:0, X:5 observation 132, PIETOWN :WETTZ13N, 0738+491, 08:55:32, quality codes - S:0, X:9 observation 135, PIETOWN :WETTZ13N, 0529+483, 08:57:11, quality codes - S:0, X:7 observation 137, MK-VLBA :WETTZ13N, 1418+546, 08:59:13, quality codes - S:9, X:0 observation 138, PIETOWN :WETTZ13N, 1418+546, 08:59:13, quality codes - S:0, X:9 observation 141, PIETOWN :WETTZ13N, 0613+570, 09:01:04, quality codes - S:0, X:8 observation 144, PIETOWN :WETTZ13N, 1300+580, 09:03:27, quality codes - S:0, X:0 observation 150, PIETOWN :WETTZ13N, 0804+499, 09:08:31, quality codes - S:0, X:8 observation 151, MK-VLBA :PIETOWN , 0415+398, 09:12:12, quality codes - S:0, X:0 observation 152, MK-VLBA :WETTZ13N, 0415+398, 09:12:12, quality codes - S:9, X:0 observation 153, PIETOWN :WETTZ13N, 0415+398, 09:12:12, quality codes - S:0, X:0 Number of observations rejected during analysis: 7 The following observations were sub-ambiguities on PIETOWN:WETTZ13N baseline: observation 21, PIETOWN :WETTZ13N, 0059+581, 07:32:55, which fits at 13222.2 +/- 425.8 ps observation 30, PIETOWN :WETTZ13N, 0716+714, 07:38:47, which fits at -13960.8 +/- 426.3 ps observation 39, PIETOWN :WETTZ13N, 0955+476, 07:44:57, which fits at 14235.7 +/- 427.4 ps observation 42, PIETOWN :WETTZ13N, 1128+385, 07:46:54, which fits at 14105.0 +/- 427.3 ps observation 48, PIETOWN :WETTZ13N, 0016+731, 07:51:12, which fits at 12602.2 +/- 429.4 ps observation 120, PIETOWN :WETTZ13N, 1128+385, 08:47:20, which fits at 12638.3 +/- 427.3 ps The following observation is an outlier: observation 71, MK-VLBA :WETTZ13N, 0718+793, 08:11:11, which fits at -1551.9 +/- 461.6 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: 153 scheduled 153 correlated (included in the database) 97 recoverable (usable in Solve/nuSolve) 90 used Session fit: 96.489 ps UT1 formal error: 32.26 microsec Source Performance Number of Observations Scheduled Correlated* Used 0016+731 3 3 1 0059+581 3 3 2 0307+380 3 3 2 0415+398 3 3 0 0529+483 12 12 8 0613+570 9 9 6 0714+457 3 3 1 0716+714 9 9 6 0718+793 6 6 3 0738+491 6 6 4 0749+540 6 6 4 0804+499 3 3 2 0920+390 3 3 2 0955+476 12 12 11 1053+815 3 3 1 1101+384 3 3 2 1128+385 6 6 4 1144+402 6 6 6 1156+295 12 12 4 1212+171 3 3 1 3C274 6 6 2 1300+580 12 12 7 1324+224 6 6 4 1418+546 12 12 4 1803+784 3 3 3 ------------ --------- ---------- ------ Source Total 153 153 90 * Correlated means included in the database. Please note that the number of recoverable (usable) observations cannot be broken down by source for Intensive solutions.