USNO Analysis Report for W19290 ($19OCT17XW) 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: MK-VLBA and PIETOWN are both missing several scans from 0715-0730. Number of observations rejected during correlation: 23 Number of observations not usable by the software: 4 observation 8, MK-VLBA :PIETOWN , 0613+570, 07:39:43, quality codes - S:0, X:0 observation 9, MK-VLBA :WETTZ13N, 0613+570, 07:39:43, quality codes - S:0, X:0 observation 32, MK-VLBA :PIETOWN , 0552+398, 08:00:01, quality codes - S:0, X:0 observation 33, MK-VLBA :WETTZ13N, 0552+398, 08:00:01, quality codes - S:0, X:0 Number of observations rejected during analysis: 0 Other comments: The skd/vex file contained the wrong session name (w192990). 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: MK-VLBA (0,1) PIETOWN (0,1) Clock breaks: None Session Statistics Observations: 144 scheduled 121 correlated (included in the database) 117 recoverable (usable in Solve/nuSolve) 117 used Session fit: 40.280 ps UT1 formal error: 5.62 microsec Source Performance Number of Observations Scheduled Correlated* Used 0059+581 12 12 12 0133+476 15 12 12 0307+380 12 12 12 0322+222 6 3 3 0345+460 9 7 7 0415+398 6 6 6 0446+112 6 6 6 0506+101 3 3 3 0529+483 6 3 3 0536+145 6 6 6 0552+398 9 9 7 0602+673 3 3 3 0613+570 9 9 7 0716+714 9 6 6 1053+815 3 0 0 NGC6251 3 3 3 1803+784 6 6 6 1800+440 3 0 0 3C371 12 12 12 2229+695 6 3 3 ------------ --------- ---------- ------ Source Total 144 121 117 * Correlated means included in the database. Please note that the number of recoverable (usable) observations cannot be broken down by source for Intensive solutions.