USNO Analysis Report for Q23218 (20230806-q23218) 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: 5 observation 15, WETTZELL:MK-VLBA , 2000+472, 07:49:14, quality code X: 9 S: 0, fringe code X: ' ' S: ' ' observation 21, WETTZELL:MK-VLBA , 1418+546, 07:59:50, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' observation 23, WETTZELL:MK-VLBA , 1520+437, 08:05:56, quality code X: 0 S: 9, fringe code X: ' ' S: ' ' observation 27, WETTZELL:MK-VLBA , 2000+472, 08:11:35, quality code X: 9 S: 0, fringe code X: ' ' S: ' ' observation 32, WETTZELL:MK-VLBA , 1418+546, 08:23:45, quality code X: 0 S: 0, fringe code X: ' ' S: ' ' Number of observations rejected during analysis: 1 observation 30, WETTZELL:MK-VLBA , 0019+058, 08:18:15, which fits at 512.4 +/- 71.9 ps Other comments: None. Parameterization: 6 parameters: UT1 offset atmosphere offset for: MK-VLBA WETTZELL clock offset, first order term, and second order term for: MK-VLBA Clock breaks: None Session Statistics Observations: 33 scheduled 33 correlated (included in the database) 28 recoverable (usable in Solve/nuSolve) 27 used Session fit: 65.517 ps UT1 formal error: 11.64 microsec Source Performance Number of Observations Scheduled Correlated* Used 0016+731 1 1 1 0017+200 2 2 2 0019+058 1 1 0 0025+197 1 1 1 0059+581 1 1 1 1039+811 1 1 1 1306+360 2 2 2 1308+328 2 2 2 1342+662 2 2 2 1417+385 2 2 2 1418+546 2 2 0 1520+437 1 1 0 1636+473 1 1 1 1746+470 1 1 1 1803+784 1 1 1 3C371 2 2 2 1849+670 2 2 2 2000+472 2 2 0 3C418 2 2 2 2209+236 1 1 1 2214+241 1 1 1 2229+695 1 1 1 2325+093 1 1 1 ------------ --------- ---------- ------ Source Total 33 33 27 * Correlated means included in the database. Please note that the number of recoverable (usable) observations cannot be broken down by source for Intensive solutions.