Session Notes for VO (VLBI Global Observing System-Operations) session: vo2230 Prepared by C. Thomas, NVI, Inc./GSFC =========================================================== ----- Parameter listing -------------------------------------- Experiment: VO2230 Description VGOS broadband session Scheduler: NASA Correlator: HAYS Start: 2022-230-18:00:00 End: 2022-231-18:00:00 ---------- Scan data parameters------------------------------- VScan Y (Compute scan length) Duration 30 sec (default duration for VSCAN=N) Modscan 1 sec (scans are multiples of this) Minscan 30 sec (min scan length) Maxscan 30 sec (max scan length) Setup 2 sec (settle time) Early 0 sec (start recording) Calibration 4 sec (time before obs) Corsync 1 sec (pad scan at end) Idle 0 sec (idle after obs) Minslew 0 sec (min slew time) Fill_off 0 sec (fill cmd buff) Mark6_off 0 sec (buffer offset) ---------- Procedure parameters ------------------------------ PRFLAG YYNN (required procedures) PREOB PREOB (pre-ob procedure) MIDOB MIDOB (mid-ob procedure) POSTOB MIDOB (post-ob procedure) ---------- Timing parameters ------------------------------ SOURCE 1sec (SOURCE time) Tapetm 1sec (TAPE command time) ---------- General parameters ------------------------------- MODULAR 1sec (start time mark) MINIMUM 0sec (time between obs.) LOOKAHEAD 20min (for WHATSUP) SNR MAN (reject for low SNR) WIDTH 79columns (width of screen) CONFIRM Y (ask before adding obs) KEEP_LOG Y (keep log upon exit) CONF_EQUIP N (update info from cat) DEBUG N (display debugging info) VERBOSE LEVEL 0 ---------- Informational only ------------------------------- SKED version: 2022-05-12 Schedule file: ./vo2230.skd FREQUENCY SX (default freq. code) Process ID: 19431 Printer commands: lj, ljp Current yyyyddd: 2022230 (2022.63)( 19810 MJD, THUR 18 AUG.) Greenwich sidereal time: 15:48:19 (18:00:00 UT) Sun's RA and DEC: 9h 52.1m 12d 55.5 =========================================================== Important Station Information Hobart-12m and Ny Alesund-North were tagged along to this schedule file. =========================================================== There are no observations for Kokee and Wettzell-South from 18:15 U.T. to 19:45 U.T. Kokee and Wettzell-South will participate in an intensive session during this period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Hb Is K2 Mg Nn Oe Ow Yj Wf Ws 0716+714 22230-180000| 30 30 30 30 30 30 30 30| 0059+581 22230-180108| 30 30 30 30 | 1657-261 22230-180108| 30 30 30 30| 0454-234 22230-180216| 30 30 30 30 | ============================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Hb Is K2 Mg Nn Oe Ow Yj Wf Ws 0727-115 22231-175540| 30 30 30 30 | 1741-038 22231-175635| 30 30 30 30| 0133+476 22231-175656| 30 30 30 30 | 1504+377 22231-175743| 30 30 30 30| 1803+784 22231-175809| 30 30 30 30 30 | 0613+570 22231-175917| 30 30 30 30 | 1751+288 22231-175917| 30 30 30 30 30| =========================================================== SKED Summary from file ./vo2230.skd for experiment VO2230 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 13.0 Min = 0.0 Max = 120.0 (Baseline Mg-Ow on 1213-172) RMS = 17.3 Total time: 1440 minutes ( 24.0 hours). Key: Hb=HOBART12 Is=ISHIOKA K2=KOKEE12M Mg=MACGO12M Nn=NYALE13N Oe=ONSA13NE Ow=ONSA13SW Yj=RAEGYEB Wf=WESTFORD Ws=WETTZ13S Hb Is K2 Mg Nn Oe Ow Yj Wf Ws Avg % obs. time: 5 39 26 36 36 38 36 39 29 37 32 % cal. time: 1 5 3 5 5 5 5 5 4 5 4 % slew time: 4 25 16 23 11 20 19 17 42 23 20 % idle time: 90 30 54 34 48 36 40 37 23 33 43 total # scans: 140 1119 737 1046 1024 1093 1025 1136 846 1077 924 # scans/hour : 6 47 31 44 43 46 43 47 35 45 39 Avg scan (sec): 30 30 30 30 30 30 30 30 30 30 30 # data tracks: 16 16 16 16 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 16 16 16 16 Total TB(M5): 4.3 34.4 22.6 32.1 31.5 33.6 31.5 34.9 26.0 33.1 28.4 # OF OBSERVATIONS BY BASELINE | Hb Is K2 Mg Nn Oe Ow Yj Wf Ws Total ------------------------------------------------------------ Hb| 118 105 99 26 41 40 12 33 27 501 Is| 536 640 718 517 524 466 396 531 4446 K2| 671 298 110 129 125 418 136 2528 Mg| 438 241 275 346 701 240 3651 Nn| 687 694 674 363 677 4575 Oe| 963 861 293 880 4593 Ow| 762 334 773 4494 Yj| 364 963 4573 Wf| 251 3153 Ws| 4478 Number of 2-station scans: 0 Number of 3-station scans: 524 Number of 4-station scans: 666 Number of 5-station scans: 444 Number of 6-station scans: 228 Number of 7-station scans: 52 Number of 8-station scans: 61 Number of 9-station scans: 63 Number of 10-station scans: 0 Total number of scans: 2038 Total number of obs: 18496 Total integrated obs-time: 554880 Average obs-time: 30.0 Histogram of observation durations Dur: 30 #Obs: | Average X-band SNRs by baseline | Hb Is K2 Mg Nn Oe Ow Yj Wf Ws AVG ----------------------------------------------------------- Hb| 53 44 38 64 38 38 48 40 54 45 Is| 58 47 69 48 50 51 50 59 55 K2| 53 60 45 45 50 50 53 53 Mg| 63 45 46 57 59 57 54 Nn| 58 61 69 76 75 66 Oe| 50 58 52 64 55 Ow| 64 55 70 57 Yj| 74 79 65 Wf| 76 61 Ws| 69 Average S-band SNRs by baseline | Hb Is K2 Mg Nn Oe Ow Yj Wf Ws AVG ----------------------------------------------------------- Hb| 37 30 26 33 24 24 30 21 42 30 Is| 43 36 47 36 38 39 34 53 41 K2| 36 37 32 32 33 30 43 36 Mg| 40 32 33 38 37 47 37 Nn| 40 42 46 42 60 45 Oe| 37 42 33 55 41 Ow| 46 34 60 42 Yj| 43 67 48 Wf| 54 38 Ws| 58 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: HOBART12 ISHIOKA KOKEE12M ONSA13NE ONSA13SW 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 Recording mode for: NYALE13N 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 HbIsK2MgNnOeOwYjWfWs SkyCov Yes AllBlGood Yes MaxAngle 180.00 MinAngle 30.00 MinBetween 20 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 2 ISHIOKA 3.00 4 MACGO12M 1.00 8 RAEGYEB 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) Hb Is K2 Mg Nn Oe Ow Yj Wf Hb Is K2 Mg Nn Oe Ow Yj Wf Is 15 Is 15 K2 15 15 K2 15 15 Mg 15 15 15 Mg 15 15 15 Nn 15 15 15 15 Nn 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 Yj 15 15 15 15 15 15 15 Yj 15 15 15 15 15 15 15 Wf 15 15 15 15 15 15 15 15 Wf 15 15 15 15 15 15 15 15 Ws 15 15 15 15 15 15 15 15 15 Ws 15 15 15 15 15 15 15 15 15