Session Notes for VO (VLBI Global Observing System-Operations) session: vo3347 Prepared by C. Thomas, NVI, Inc./GSFC =========================================================== ----- Parameter listing -------------------------------------- Experiment: VO3347 Description VGOS broadband session Scheduler: NASA Correlator: WETZ Start: 2023-347-18:00:00 End: 2023-348-18:00:00 Current yyyyddd: 2023347 (2023.95) ( 20292 MJD, WED. 13DEC.) Greenwich sidereal time: 23:28:39 (18:00:00 UT) Sun's RA and DEC: 17h 22.8m -23d 9.6 =========================================================== Important Station Information Hobart, Katherine, and Wettzell-North were tagged along to this schedule file. =========================================================== There are no observations for Kokee and Wettzell-South from 18:00 U.T. to 18:45 U.T. and from 17:15 U.T. to 18:00 U.T. Kokee and Wettzell-South will participate in intensive sessions during those periods. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gs Hb Is Ke K2 Mg Oe Ow Sa Yj Wf Wn Ws 2113+293 23347-180000| 30 30 30 30 30 30 30 30 | 0552+398 23347-180108| 30 30 30 30 30 | The first observation for K2 and Ws starts around 18:45 U.T. =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gs Hb Is Ke K2 Mg Oe Ow Sa Yj Wf Wn Ws 1334-127 23348-175339| 30 30 30 30 | 1749+096 23348-175504| 30 30 30 30 30 30 | 0235+164 23348-175612| 30 30 30 30 30 30 | 1936-155 23348-175720| 30 30 30 30 30 | 0738+491 23348-175828| 30 30 30 30 30 | 1741-038 23348-175828| 30 30 30 30 | The last observation for K2 and Ws ends around 17:15 U.T. =========================================================== SKED Summary from file ./vo3347.skd for experiment VO3347 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 11.3 Min = 0.0 Max = 288.0 (Baseline Ke-Sa on 1213-172) RMS = 19.8 Total time: 1439 minutes ( 24.0 hours). Key: Gs=GGAO12M Hb=HOBART12 Is=ISHIOKA Ke=KATH12M K2=KOKEE12M Mg=MACGO12M Oe=ONSA13NE Ow=ONSA13SW Sa=RAEGSMAR Yj=RAEGYEB Wf=WESTFORD Wn=WETTZ13N Ws=WETTZ13S Gs Hb Is Ke K2 Mg Oe Ow Sa Yj Wf Wn Ws Avg % obs. time: 29 3 30 6 32 34 37 37 34 36 29 40 35 29 % cal. time: 4 0 4 1 4 5 5 5 5 5 4 5 5 4 % slew time: 33 1 19 5 18 22 19 19 15 15 39 24 21 20 % idle time: 33 94 46 87 45 38 37 39 46 43 28 30 38 47 total # scans: 843 91 855 184 907 984 1079 1054 983 1040 830 1144 1006 846 # scans/hour : 35 4 36 8 38 41 45 44 41 43 35 48 42 35 Avg scan (sec): 30 30 30 30 30 30 30 30 30 30 30 30 30 30 # data tracks: 16 16 16 16 16 16 16 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 16 16 16 16 16 16 16 Total TB(M5): 25.9 2.8 26.3 5.7 27.9 30.2 33.1 32.4 30.2 31.9 25.5 35.1 30.9 26.0 # OF OBSERVATIONS BY BASELINE | Gs Hb Is Ke K2 Mg Oe Ow Sa Yj Wf Wn Ws Total --------------------------------------------------------------------------- Gs| 12 279 39 477 609 235 254 379 310 598 269 236 3697 Hb| 67 66 71 53 35 33 0 11 22 24 25 419 Is| 149 521 450 379 387 260 280 261 405 330 3768 Ke| 104 88 96 98 18 48 32 85 86 909 K2| 756 202 215 221 165 493 238 180 3643 Mg| 200 218 274 183 663 239 184 3917 Oe| 972 576 739 261 891 836 5422 Ow| 518 664 277 851 862 5349 Sa| 824 342 678 576 4666 Yj| 247 819 691 4981 Wf| 259 248 3703 Wn| 861 5619 Ws| 5115 Number of 2-station scans: 0 Number of 3-station scans: 528 Number of 4-station scans: 634 Number of 5-station scans: 374 Number of 6-station scans: 298 Number of 7-station scans: 167 Number of 8-station scans: 102 Number of 9-station scans: 38 Number of 10-station scans: 40 Number of 11-station scans: 45 Number of 12-station scans: 0 Number of 13-station scans: 0 Total number of scans: 2226 Total number of obs: 25604 Total integrated obs-time: 768120 Average obs-time: 30.0 Histogram of observation durations Dur: 30 #Obs: | Average X-band SNRs by baseline | Gs Hb Is Ke K2 Mg Oe Ow Sa Yj Wf Wn Ws AVG -------------------------------------------------------------------------- Gs| 32 39 31 43 62 42 42 63 53 67 59 42 53 Hb| 57 49 37 31 51 54 - 73 28 77 52 47 Is| 56 62 45 48 49 44 48 40 63 46 50 Ke| 39 32 38 38 40 48 31 54 36 43 K2| 55 34 35 41 39 44 48 35 47 Mg| 36 37 63 49 64 52 38 53 Oe| 54 63 67 45 79 55 58 Ow| 66 69 45 80 54 58 Sa| 98 82 98 75 75 Yj| 68 105 80 77 Wf| 68 46 58 Wn| 86 81 Ws| 62 Average S-band SNRs by baseline | Gs Hb Is Ke K2 Mg Oe Ow Sa Yj Wf Wn Ws AVG -------------------------------------------------------------------------- Gs| 24 36 26 34 45 34 34 46 40 43 53 33 40 Hb| 38 29 28 24 25 25 - 31 18 42 25 29 Is| 43 45 37 38 39 37 40 31 58 38 41 Ke| 31 25 27 28 33 34 23 44 28 32 K2| 38 28 29 32 31 29 41 28 35 Mg| 29 30 44 40 39 46 29 38 Oe| 38 42 45 30 63 39 42 Ow| 45 47 31 65 38 43 Sa| 66 50 74 49 52 Yj| 42 83 56 55 Wf| 50 30 38 Wn| 71 65 Ws| 46 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: GGAO12M HOBART12 ISHIOKA KATH12M KOKEE12M ONSA13NE ONSA13SW RAEGSMAR RAEGYEB WESTFORD WETTZ13N WETTZ13S Mode Tot.Rate #Chan Chan.BW Tot.BW #BBC #bits Tracks*(fan) Tot.tracks Mk341:1 256 Mbps 16 8 Mhz 128 Mhz 14 1 16*(1) 16 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 140.0 MHz rms spanned bw= 50.9 MHz Effective number of 1-bit channels recorded per sub-pass X S Total 10.00 6.00 16.00 Recording mode for: MACGO12M Mode Tot.Rate #Chan Chan.BW Tot.BW #BBC #bits Tracks*(fan) Tot.tracks Mk341:2 256 Mbps 16 8 Mhz 128 Mhz 14 1 16*(2) 32 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 140.0 MHz rms spanned bw= 50.9 MHz Effective number of 1-bit channels recorded per sub-pass X S Total 10.00 6.00 16.00 =========================================================== Minor Options BegScan Rel 1.00 EndScan Rel 1.00 StatWt Abs 1.00 =========================================================== Major Options Subnet GsHbIsKeK2MgOeOwSaYjWfWnWs SkyCov Yes AllBlGood Yes MaxAngle 180.00 MinAngle 30.00 MinBetween 15 MinSunDist 15.00 MaxSlewTime 300 TimeWindow 24.00 MinSubNetSize 3 NumSubNet 2 Best 60 FillIn Yes FillMinSub 3 FillMinTime 120 FillBest 80 Add_ps 5.0 El_noise 0.0 SNRWts Yes SplitTwins No =========================================================== Weighted Station 5 KOKEE12M 1.00 =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 0) S-band (margin 0) X-band (ast_margin 0) S-band (ast_margin 0) Gs Hb Is Ke K2 Mg Oe Ow Sa Yj Wf Wn Gs Hb Is Ke K2 Mg Oe Ow Sa Yj Wf Wn Hb 15 Hb 15 Is 15 15 Is 15 15 Ke 15 15 15 Ke 15 15 15 K2 15 15 15 15 K2 15 15 15 15 Mg 15 15 15 15 15 Mg 15 15 15 15 15 Oe 15 15 15 15 15 15 Oe 15 15 15 15 15 15 Ow 15 15 15 15 15 15 15 Ow 15 15 15 15 15 15 15 Sa 15 15 15 15 15 15 15 15 Sa 15 15 15 15 15 15 15 15 Yj 15 15 15 15 15 15 15 15 15 Yj 15 15 15 15 15 15 15 15 15 Wf 15 15 15 15 15 15 15 15 15 15 Wf 15 15 15 15 15 15 15 15 15 15 Wn 15 15 15 15 15 15 15 15 15 15 15 Wn 15 15 15 15 15 15 15 15 15 15 15 Ws 15 15 15 15 15 15 15 15 15 15 15 15 Ws 15 15 15 15 15 15 15 15 15 15 15 15