Session Notes for VO (VLBI Global Observing System-Operations) session: vo3165 Prepared by C. Thomas, NVI, Inc./GSFC =========================================================== ----- Parameter listing -------------------------------------- Experiment: VO3165 Description VGOS broadband session Scheduler: NASA Correlator: VIEN Start: 2023-165-18:00:00 End: 2023-166-18:00:00 ---------- 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: 2023-02-10 Schedule file: ./vo3165.skd FREQUENCY SX (default freq. code) Process ID: 03927 Printer commands: lj, ljp Current yyyyddd: 2023165 (2023.45)( 20110 MJD, WED. 14 JUN.) Greenwich sidereal time: 11:31:06 (18:00:00 UT) Sun's RA and DEC: 5h 31.4m 23d 16.4 =========================================================== Important Station Information GGAO was tagged along to this schedule file. =========================================================== There are no observations for Ishioka and Wettzell-South from 18:15 U.T. to 19:45 U.T. Ishioka and Wettzell-South will participate in an intensive session during this period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gs Hb Is Mg Nn Oe Ow Yj Wf Ws 0727-115 23165-180000| 30 30 30 30 | 1639-062 23165-180000| 30 30 30 30 30| 2329-384 23165-180122| 30 30 | 0059+581 23165-180132| 30 30 30 30 30 30 30| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gs Hb Is Mg Nn Oe Ow Yj Wf Ws 1749+096 23166-175826| 30 30 | 1144+402 23166-175851| 30 30 30 30 30 30 30 30| =========================================================== SKED Summary from file ./vo3165.skd for experiment VO3165 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 10.0 Min = 0.0 Max = 288.0 (Baseline Gs-Wf on 1124-186) RMS = 15.5 Total time: 1439 minutes ( 24.0 hours). Key: Gs=GGAO12M Hb=HOBART12 Is=ISHIOKA Mg=MACGO12M Nn=NYALE13N Oe=ONSA13NE Ow=ONSA13SW Yj=RAEGYEB Wf=WESTFORD Ws=WETTZ13S Gs Hb Is Mg Nn Oe Ow Yj Wf Ws Avg % obs. time: 18 31 34 33 36 39 37 39 30 37 33 % cal. time: 2 4 5 4 5 5 5 5 4 5 4 % slew time: 19 37 20 21 12 20 20 16 40 23 23 % idle time: 59 27 40 41 47 34 37 39 25 34 39 total # scans: 524 903 982 944 1035 1124 1071 1110 862 1075 963 # scans/hour : 22 38 41 39 43 47 45 46 36 45 40 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): 16.1 27.7 30.2 29.0 31.8 34.5 32.9 34.1 26.5 33.0 29.6 # OF OBSERVATIONS BY BASELINE | Gs Hb Is Mg Nn Oe Ow Yj Wf Ws Total ------------------------------------------------------------ Gs| 23 76 298 222 226 234 206 356 154 1795 Hb| 692 169 28 34 39 36 38 81 1140 Is| 123 206 117 121 93 64 151 1643 Mg| 242 149 161 191 603 134 2070 Nn| 541 500 535 245 525 3044 Oe| 828 634 215 611 3355 Ow| 557 244 552 3236 Yj| 244 738 3234 Wf| 171 2180 Ws| 3117 Number of 2-station scans: 1888 Number of 3-station scans: 711 Number of 4-station scans: 291 Number of 5-station scans: 197 Number of 6-station scans: 104 Number of 7-station scans: 62 Number of 8-station scans: 62 Number of 9-station scans: 2 Number of 10-station scans: 0 Total number of scans: 3317 Total number of obs: 12407 Total integrated obs-time: 372210 Average obs-time: 30.0 Histogram of observation durations Dur: 30 #Obs: | Average X-band SNRs by baseline | Gs Hb Is Mg Nn Oe Ow Yj Wf Ws AVG ----------------------------------------------------------- Gs| 33 44 50 60 44 44 60 53 64 52 Hb| 46 33 47 36 34 39 34 43 42 Is| 49 55 48 49 51 49 60 49 Mg| 51 41 40 53 59 54 50 Nn| 59 61 64 64 69 61 Oe| 56 59 46 72 57 Ow| 61 47 75 58 Yj| 63 86 66 Wf| 66 56 Ws| 72 Average S-band SNRs by baseline | Gs Hb Is Mg Nn Oe Ow Yj Wf Ws AVG ----------------------------------------------------------- Gs| 25 37 40 40 33 33 44 38 55 39 Hb| 32 25 28 23 23 26 21 30 30 Is| 38 38 37 37 37 34 50 36 Mg| 33 30 30 36 35 44 35 Nn| 38 39 41 36 53 41 Oe| 39 42 31 59 42 Ow| 44 30 62 42 Yj| 39 71 48 Wf| 49 36 Ws| 59 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: GGAO12M HOBART12 ISHIOKA 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 GsHbIsMgNnOeOwYjWfWs SkyCov Yes AllBlGood Yes MaxAngle 180.00 MinAngle 30.00 MinBetween 20 MinSunDist 15.00 MaxSlewTime 300 TimeWindow 24.00 MinSubNetSize 2 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 HOBART12 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 Mg Nn Oe Ow Yj Wf Gs Hb Is Mg Nn Oe Ow Yj Wf Hb 15 Hb 15 Is 15 15 Is 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