CRDS-89 (Southern Hemisphere Astrometry) 2017 July 26 (DOY 207) Notes prepared by Alan Fey, U.S. Naval Observatory Schedule name: crds89.skd Nominal Start: 18:00 U.T. on 2017 July 26 (DOY 207) first observation at 18:00 U.T. on 2142-758 Hh-Ho-Ke-Ww-Yg Duration: 24 hours Nominal Stop: 18:00 U.T. on 2017 July 27 (DOY 208) last observation at 17:52 U.T. on 2106-413 Hh-Ho-Ke-Ww-Yg Correlator: Station Codes # of tapes # of obs Occupation Code HARTRAO J 161 HOBART26 161 KATH12M 126 WARK12M 131 YARRA12M 158 Total number of observations (delay measurements): 1360 Total number of scans in the schedule: 161 Purpose ======= Astrometric observations to strenghten the ICRF in the Southern Hemisphere. Schedule ======== This is a new schedule generated by Alan Fey using sked. Correlation =========== Data should be shipped to the correlator as soon after the experiment as practical. Special procedures ================== None Summary ======= The following listing is a summary of the observations in this schedule. Average number of obs. per baseline per source(normalized by up-time) = 8.0 Min = 1.5 Max = 33.3 (Baseline Hh-Ww on 0920-397) RMS = 5.1 Total time: 1438 minutes ( 24.0 hours). Key: Hh=HARTRAO Ho=HOBART26 Ke=KATH12M Ww=WARK12M Yg=YARRA12M Hh Ho Ke Ww Yg Avg % obs. time: 67 67 53 55 66 62 % cal. time: 2 2 1 2 2 2 % slew time: 29 15 3 2 4 11 % idle time: 1 15 42 41 27 26 total # scans: 161 161 126 131 158 147 # scans/hour : 7 7 5 5 7 6 Avg scan (sec): 360 360 360 360 360 360 # data tracks: 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 Total TB(M5): 1.9 1.9 1.5 1.5 1.8 1.7 # OF OBSERVATIONS BY BASELINE | Hh Ho Ke Ww Yg Total ----------------------------------- Hh| 161 126 131 158 576 Ho| 126 131 158 576 Ke| 114 126 492 Ww| 129 505 Yg| 571 Number of 2-station scans: 1 Number of 3-station scans: 19 Number of 4-station scans: 27 Number of 5-station scans: 114 Total number of scans: 161 Total number of obs: 1360 Total integrated obs-time: 489600 Average obs-time: 360.0 Histogram of observation durations Dur: 360#Obs: Average X-band SNRs by baseline | Hh Ho Ke Ww Yg AVG ---------------------------------- Hh| 54 28 28 25 34 Ho| 31 31 28 36 Ke| 16 14 22 Ww| 14 22 Yg| 21 Average S-band SNRs by baseline | Hh Ho Ke Ww Yg AVG ---------------------------------- Hh| 55 23 24 24 33 Ho| 29 31 31 37 Ke| 13 13 20 Ww| 13 21 Yg| 21