Session Notes for VO (VLBI Global Observing System-Operations) session: vo4017 Prepared by C. Thomas, NVI, Inc./GSFC =========================================================== ----- Parameter listing -------------------------------------- Experiment: VO4017 Description VGOS broadband session Scheduler: NASA Correlator: WASH Start: 2024-017-12:00:00 End: 2024-018-12:00:00 Current yyyyddd: 2024017 (2024.05) ( 20327 MJD, WED. 17JAN.) Greenwich sidereal time: 19:45:39 (12:00:00 UT) Sun's RA and DEC: 19h 55.6m -20d 46.9 =========================================================== Important Station Information Hobart was tagged along to this schedule file. =========================================================== There are no observations for Kokee and Wettzell-South from 17:15 U.T. to 18:45 U.T. Kokee and Wettzell-South will participate in an intensive session during this period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gs Hb Is K2 Mg Oe Ow Sa Yj Wf Ws 0642+449 24017-120000| 30 30 30 30 30 30 30 30| 1406-076 24017-120124| 30 30 30 30 | 1030+415 24017-120232| 30 30 30 30 | 2126-158 24017-120232| 30 30 30 30 30| 0808+019 24017-120340| 30 30 30 | 1514+197 24017-120340| 30 30 30 30 30| 1039+811 24017-120448| 30 30 30 | 2325+093 24017-120448| 30 30 30 30 | 0059+581 24017-120556| 30 30 30 30 30 30 30| 1124-186 24017-120609| 30 30 30 | 0552+398 24017-120717| 30 30 30| 1741-038 24017-120725| 30 30 30 30 30 30 30 | 1156+295 24017-120833| 30 30 30 | 2113+293 24017-120940| 30 30 30 30 30 30 30| 1751+288 24017-121051| 30 30 30 30 30 30 30| OJ287 24017-121108| 30 30 30 | 0215+015 24017-121216| 30 30 30 30 30| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gs Hb Is K2 Mg Oe Ow Sa Yj Wf Ws 0552+398 24018-114905| 30 30 30 30 | 1746+470 24018-114908| 30 30 30 | 1156+295 24018-115013| 30 30 30 | 0133+476 24018-115016| 30 30 30 30 30 30| 1213-172 24018-115121| 30 30 30 | 2214+241 24018-115124| 30 30 30| 0805+410 24018-115229| 30 30 30 30 30 30 | 0602+673 24018-115337| 30 30 30 | 2229+695 24018-115337| 30 30 30 | 2355-106 24018-115337| 30 30 30 30| 0748+126 24018-115445| 30 30 30 | 1923+210 24018-115445| 30 30 30 | 0202+319 24018-115553| 30 30 30 30 30| 1144+402 24018-115701| 30 30 30 30 30 30 30 30 30| 2059+034 24018-115809| 30 30 30 30| 0808+019 24018-115812| 30 30 30 | 0059+581 24018-115920| 30 30 30 30 30 30| 1324+224 24018-115920| 30 30 30 | =========================================================== SKED Summary from file ./vo4017.skd for experiment VO4017 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 13.5 Min = 0.0 Max = 1440.0 (Baseline Oe-Ow on 1846+322) RMS = 39.1 Total time: 1440 minutes ( 24.0 hours). Key: Gs=GGAO12M Hb=HOBART12 Is=ISHIOKA K2=KOKEE12M Mg=MACGO12M Oe=ONSA13NE Ow=ONSA13SW Sa=RAEGSMAR Yj=RAEGYEB Wf=WESTFORD Ws=WETTZ13S Gs Hb Is K2 Mg Oe Ow Sa Yj Wf Ws Avg % obs. time: 30 5 39 36 35 34 34 32 33 28 31 31 % cal. time: 4 1 5 5 5 5 4 4 4 4 4 4 % slew time: 32 3 25 22 23 18 18 14 14 38 19 21 % idle time: 33 91 30 36 37 42 43 49 47 29 45 44 total # scans: 867 138 1131 1040 1007 989 967 914 960 814 892 883 # scans/hour : 36 6 47 43 42 41 40 38 40 34 37 37 Avg scan (sec): 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 # Mk5 tracks: 16 16 16 16 16 16 16 16 16 16 16 Total TB(M5): 26.6 4.2 34.7 31.9 30.9 30.4 29.7 28.1 29.5 25.0 27.4 27.1 # OF OBSERVATIONS BY BASELINE | Gs Hb Is K2 Mg Oe Ow Sa Yj Wf Ws Total ----------------------------------------------------------------- Gs| 21 396 497 565 298 316 453 375 539 270 3730 Hb| 122 105 82 57 50 0 9 30 35 511 Is| 749 631 449 454 320 367 376 355 4219 K2| 841 212 226 217 156 490 184 3677 Mg| 229 239 276 201 553 191 3808 Oe| 874 504 661 285 754 4323 Ow| 439 587 308 807 4300 Sa| 761 365 444 3779 Yj| 281 594 3992 Wf| 285 3512 Ws| 3919 Number of 2-station scans: 0 Number of 3-station scans: 977 Number of 4-station scans: 427 Number of 5-station scans: 338 Number of 6-station scans: 170 Number of 7-station scans: 170 Number of 8-station scans: 32 Number of 9-station scans: 36 Number of 10-station scans: 60 Number of 11-station scans: 0 Total number of scans: 2210 Total number of obs: 19885 Total integrated obs-time: 596550 Average obs-time: 30.0 Histogram of observation durations Dur: 30 #Obs: | Average X-band SNRs by baseline | Gs Hb Is K2 Mg Oe Ow Sa Yj Wf Ws AVG ---------------------------------------------------------------- Gs| 33 41 40 51 44 44 59 54 59 44 49 Hb| 62 43 35 53 55 - 62 28 44 48 Is| 58 45 55 56 51 57 46 53 52 K2| 48 39 39 47 46 44 39 47 Mg| 40 40 60 54 59 41 49 Oe| 65 67 71 50 65 60 Ow| 72 76 49 64 61 Sa| 91 77 76 70 Yj| 72 81 72 Wf| 51 56 Ws| 62 Average S-band SNRs by baseline | Gs Hb Is K2 Mg Oe Ow Sa Yj Wf Ws AVG ---------------------------------------------------------------- Gs| 25 36 32 39 36 36 45 40 40 35 38 Hb| 39 32 26 24 24 - 31 19 23 30 Is| 44 36 41 43 43 43 34 42 40 K2| 35 31 31 36 35 29 30 35 Mg| 32 32 42 40 37 32 36 Oe| 45 47 49 33 44 42 Ow| 52 52 33 45 43 Sa| 60 47 52 49 Yj| 43 54 49 Wf| 33 36 Ws| 44 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: GGAO12M HOBART12 ISHIOKA KOKEE12M ONSA13NE ONSA13SW RAEGSMAR RAEGYEB 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 GsHbIsK2MgOeOwSaYjWfWs 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 3 ISHIOKA 1.00 4 KOKEE12M 2.00 =========================================================== 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 K2 Mg Oe Ow Sa Yj Wf Gs Hb Is K2 Mg Oe Ow Sa Yj Wf Hb 15 Hb 15 Is 15 15 Is 15 15 K2 15 15 15 K2 15 15 15 Mg 15 15 15 15 Mg 15 15 15 15 Oe 15 15 15 15 15 Oe 15 15 15 15 15 Ow 15 15 15 15 15 15 Ow 15 15 15 15 15 15 Sa 15 15 15 15 15 15 15 Sa 15 15 15 15 15 15 15 Yj 15 15 15 15 15 15 15 15 Yj 15 15 15 15 15 15 15 15 Wf 15 15 15 15 15 15 15 15 15 Wf 15 15 15 15 15 15 15 15 15 Ws 15 15 15 15 15 15 15 15 15 15 Ws 15 15 15 15 15 15 15 15 15 15