Session Notes for VO (VLBI Global Observing System-Operations) session: vo3278 Prepared by C. Thomas, NVI, Inc./GSFC =========================================================== ----- Parameter listing -------------------------------------- Experiment: VO3278 Description VGOS broadband session Scheduler: NASA Correlator: HAYS Start: 2023-278-18:00:00 End: 2023-279-18:00:00 ---------- 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: ./vo3278.skd FREQUENCY SX (default freq. code) Process ID: 34213 Printer commands: lj, ljp Current yyyyddd: 2023278 (2023.76)( 20223 MJD, THUR 5 OCT.) Greenwich sidereal time: 18:56:37 (18:00:00 UT) Sun's RA and DEC: 12h 45.0m -4d 50.2 =========================================================== Important Station Information Santa Maria was 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 Gs Ke K2 Mg Nn Oe Ow Sa Yj Wf Ws 0814+425 23278-180000| 30 30 30 30 30 30 30 30 | 0920-397 23278-180108| 30 30 30 | 1958-179 23278-180108| 30 30 30 30 30| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gs Ke K2 Mg Nn Oe Ow Sa Yj Wf Ws 0955+476 23279-175652| 30 30 30 30 | 0017+200 23279-175751| 30 30 30 30 30| 0059+581 23279-175859| 30 30 30 | 1308+328 23279-175859| 30 30 30 30 30 30 30| =========================================================== SKED Summary from file ./vo3278.skd for experiment VO3278 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 11.2 Min = 0.0 Max = 1620.0 (Baseline Mg-Ow on 1308+328) RMS = 38.4 Total time: 1440 minutes ( 24.0 hours). Key: Gs=GGAO12M Ke=KATH12M K2=KOKEE12M Mg=MACGO12M Nn=NYALE13N Oe=ONSA13NE Ow=ONSA13SW Sa=RAEGSMAR Yj=RAEGYEB Wf=WESTFORD Ws=WETTZ13S Gs Ke K2 Mg Nn Oe Ow Sa Yj Wf Ws Avg % obs. time: 31 13 23 33 35 38 35 23 37 30 38 31 % cal. time: 4 2 3 4 5 5 5 3 5 4 5 4 % slew time: 34 12 14 21 11 20 18 9 16 40 23 20 % idle time: 30 72 59 40 48 36 41 65 41 25 32 45 total # scans: 885 386 671 944 1009 1095 1014 648 1076 851 1107 880 # scans/hour : 37 16 28 39 42 46 42 27 45 35 46 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): 27.2 11.9 20.6 29.0 31.0 33.6 31.2 19.9 33.1 26.1 34.0 27.1 # OF OBSERVATIONS BY BASELINE | Gs Ke K2 Mg Nn Oe Ow Sa Yj Wf Ws Total ----------------------------------------------------------------- Gs| 37 372 697 257 242 273 325 230 684 184 3301 Ke| 160 135 174 180 180 38 160 28 185 1277 K2| 542 207 148 154 146 75 331 83 2218 Mg| 239 189 197 267 179 642 144 3231 Nn| 559 472 345 662 228 717 3860 Oe| 941 301 683 261 783 4287 Ow| 295 598 295 668 4073 Sa| 412 299 341 2769 Yj| 238 860 4097 Wf| 173 3179 Ws| 4138 Number of 2-station scans: 0 Number of 3-station scans: 907 Number of 4-station scans: 657 Number of 5-station scans: 339 Number of 6-station scans: 192 Number of 7-station scans: 76 Number of 8-station scans: 59 Number of 9-station scans: 34 Number of 10-station scans: 18 Number of 11-station scans: 0 Total number of scans: 2282 Total number of obs: 18215 Total integrated obs-time: 546450 Average obs-time: 30.0 Histogram of observation durations Dur: 30 #Obs: | Average X-band SNRs by baseline | Gs Ke K2 Mg Nn Oe Ow Sa Yj Wf Ws AVG ---------------------------------------------------------------- Gs| 33 41 52 57 44 43 67 63 58 63 54 Ke| 50 36 46 35 35 40 43 33 49 42 K2| 60 50 34 34 47 44 48 48 48 Mg| 55 40 39 62 56 60 54 54 Nn| 57 63 61 56 64 65 59 Oe| 61 60 67 49 85 61 Ow| 63 73 49 94 63 Sa| 80 80 74 67 Yj| 74 85 70 Wf| 73 60 Ws| 77 Average S-band SNRs by baseline | Gs Ke K2 Mg Nn Oe Ow Sa Yj Wf Ws AVG ---------------------------------------------------------------- Gs| 24 32 39 37 33 33 49 43 38 52 39 Ke| 31 26 29 27 27 30 33 22 42 31 K2| 40 32 27 27 36 33 29 44 33 Mg| 35 30 30 42 38 36 46 37 Nn| 39 41 38 38 36 50 40 Oe| 44 42 46 30 70 45 Ow| 43 49 30 76 46 Sa| 54 46 59 46 Yj| 42 69 49 Wf| 50 37 Ws| 62 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: GGAO12M KATH12M 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 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 GsKeK2MgNnOeOwSaYjWfWs 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 2 KATH12M 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 Ke K2 Mg Nn Oe Ow Sa Yj Wf Gs Ke K2 Mg Nn Oe Ow Sa Yj Wf Ke 15 Ke 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 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