USNO Analysis Report for W19143 ($19MAY23XW) 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: 2 observation 14, MK-VLBA :WETTZELL, 1823+689, 07:24:21, quality codes - S:9, X:0 observation 62, MK-VLBA :WETTZELL, 1520+437, 08:05:13, quality codes - S:9, X:0 Number of observations rejected during analysis: 8 observation 2, MK-VLBA :WETTZELL, 1418+546, 07:15:20, has a G-code on S-band observation 32, MK-VLBA :WETTZELL, 1636+473, 07:39:06, has a G-code on S-band observation 59, MK-VLBA :WETTZELL, NRAO512 , 08:03:01, has a G-code on S-band observation 74, MK-VLBA :WETTZELL, 1929+226, 08:14:24, which fits at 293.8 +/- 87.5 ps observation 79, MK-VLBA :PIETOWN , 1746+470, 08:18:41, has a G-code on S-band observation 118, MK-VLBA :PIETOWN , 1651+391, 08:50:24, has a G-code on S-band observation 124, MK-VLBA :PIETOWN , NRAO512 , 08:56:21, has a G-code on S-band observation 130, MK-VLBA :PIETOWN , DA426 , 09:00:47, has a G-code on S-band Other comments: WETTZ13N was scheduled, but was not available due to maintenance. Parameterization: 8 parameters: UT1 offset atmosphere offset for: MK-VLBA PIETOWN WETTZELL clock offset (0), first order term (1), and/or second order term (2) for: PIETOWN (0,1) WETTZELL (0,1) Clock breaks: None Session Statistics Observations: 195 scheduled (from all stations---includes WETTZ13N) 147 scheduled (from available stations---does not include WETTZ13N) 147 correlated (included in the database) 145 recoverable (usable in Solve/nuSolve) 137 used Session fit: 61.157 ps UT1 formal error: 6.30 microsec Source Performance Number of Observations Scheduled Correlated* Used 0016+731 12 6 6 0716+714 6 3 3 0738+491 3 3 3 0749+540 3 3 3 0800+618 9 9 9 0920+390 12 6 6 0955+476 18 9 9 1053+815 3 3 3 1300+580 12 12 12 1342+662 6 6 6 1418+546 6 3 2 1520+437 3 3 2 NGC6251 3 3 3 1636+473 6 6 5 NRAO512 12 12 10 1651+391 3 3 2 DA426 3 3 2 1732+389 3 3 3 1746+470 6 6 5 1758+388 3 3 3 1803+784 6 3 3 3C371 12 6 6 1823+689 3 3 2 1929+226 12 12 11 2013+163 6 6 6 2229+695 24 12 12 ------------ --------- ---------- ------ Source Total 195 147 137 * Correlated means included in the database. Please note that the number of recoverable (usable) observations cannot be broken down by source for Intensive solutions.