Session Notes for VO (VLBI Global Observing System-Operations) session: vo3362 Prepared by C. Thomas, NVI, Inc./GSFC =========================================================== ----- Parameter listing -------------------------------------- Experiment: VO3362 Description VGOS broadband session Scheduler: NASA Correlator: BONN Start: 2023-362-18:00:00 End: 2023-363-18:00:00 Current yyyyddd: 2023362 (2023.99) ( 20307 MJD, THUR 28DEC.) Greenwich sidereal time: 00:27:47 (18:00:00 UT) Sun's RA and DEC: 18h 29.3m -23d 15.9 =========================================================== There are no observations for Wettzell-South from 18:00 U.T. to 18:45 U.T. Wettzell-South will participate in an intensive session during this period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gs Mg Oe Ow Sa Wf Ws 2229+695 23362-180000| 30 30 30 30 30 30 | The first observation for Ws starts around 18:45 U.T. =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gs Mg Oe Ow Sa Wf Ws 0059+581 23363-175725| 30 30 30 30 | 2229+695 23363-175737| 30 30 30| 2201+171 23363-175833| 30 30 30 | 0723+219 23363-175845| 30 30 30| =========================================================== SKED Summary from file ./vo3362.skd for experiment VO3362 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 15.2 Min = 0.0 Max = 130.0 (Baseline Gs-Mg on 1334-127) RMS = 20.1 Total time: 1439 minutes ( 24.0 hours). Key: Gs=GGAO12M Mg=MACGO12M Oe=ONSA13NE Ow=ONSA13SW Sa=RAEGSMAR Wf=WESTFORD Ws=WETTZ13S Gs Mg Oe Ow Sa Wf Ws Avg % obs. time: 37 37 37 36 33 35 36 36 % cal. time: 5 5 5 5 4 5 5 5 % slew time: 40 24 19 19 14 47 22 27 % idle time: 17 33 38 39 47 13 37 32 total # scans: 1079 1073 1058 1046 962 1010 1029 1036 # scans/hour : 45 45 44 44 40 42 43 43 Avg scan (sec): 30 30 30 30 30 30 30 30 # data tracks: 16 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 16 Total TB(M5): 33.1 33.0 32.5 32.1 29.6 31.0 31.6 31.8 # OF OBSERVATIONS BY BASELINE | Gs Mg Oe Ow Sa Wf Ws Total --------------------------------------------- Gs| 1035 467 466 623 978 465 4034 Mg| 444 442 636 995 434 3986 Oe| 1033 725 402 1004 4075 Ow| 705 401 985 4032 Sa| 580 708 3977 Wf| 406 3762 Ws| 4002 Number of 2-station scans: 0 Number of 3-station scans: 774 Number of 4-station scans: 469 Number of 5-station scans: 20 Number of 6-station scans: 93 Number of 7-station scans: 343 Total number of scans: 1699 Total number of obs: 13934 Total integrated obs-time: 418020 Average obs-time: 30.0 Histogram of observation durations Dur: 30 #Obs: | Average X-band SNRs by baseline | Gs Mg Oe Ow Sa Wf Ws AVG -------------------------------------------- Gs| 52 38 39 62 55 39 50 Mg| 36 36 59 54 36 48 Oe| 59 65 41 60 54 Ow| 64 41 59 53 Sa| 72 67 65 Wf| 42 53 Ws| 54 Average S-band SNRs by baseline | Gs Mg Oe Ow Sa Wf Ws AVG -------------------------------------------- Gs| 38 31 31 45 35 31 36 Mg| 29 29 40 32 28 33 Oe| 40 45 28 40 37 Ow| 45 28 40 37 Sa| 42 46 44 Wf| 28 33 Ws| 38 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: GGAO12M ONSA13NE ONSA13SW RAEGSMAR WESTFORD 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 GsMgOeOwSaWfWs 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 1 GGAO12M 1.00 2 MACGO12M 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 Mg Oe Ow Sa Wf Gs Mg Oe Ow Sa Wf Mg 15 Mg 15 Oe 15 15 Oe 15 15 Ow 15 15 15 Ow 15 15 15 Sa 15 15 15 15 Sa 15 15 15 15 Wf 15 15 15 15 15 Wf 15 15 15 15 15 Ws 15 15 15 15 15 15 Ws 15 15 15 15 15 15