Session Notes for VO (VLBI Global Observing System-Operations) session: vo2153 Prepared by C. Thomas, NVI, Inc./GSFC =========================================================== ----- Parameter listing -------------------------------------- Experiment: VO2153 Description VGOS broadband session Scheduler: NASA Correlator: BONN Start: 2022-153-18:00:00 End: 2022-154-18:00:00 ---------- 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: ./vo2153.skd FREQUENCY SX (default freq. code) Process ID: 65631 Printer commands: lj, ljp Current yyyyddd: 2022153 (2022.42)( 19733 MJD, THUR 2 JUN.) Greenwich sidereal time: 10:44:44 (18:00:00 UT) Sun's RA and DEC: 4h 42.8m 22d 15.0 =========================================================== Important Station Information Oe 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 Is K2 Mg Oe Ow Yj Wf Ws 2229+695 22153-180000| 30 30 30 30 30 30 30 30 30| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gs Is K2 Mg Oe Ow Yj Wf Ws 1803+784 22154-174702| 30 30 30 30 30 30 30 30 30| 1417+385 22154-174812| 30 30 30 30| 0322+222 22154-174822| 30 30 30 | 0641+392 22154-174920| 30 30 30| 2229+695 22154-174935| 30 30 30 30 30 | 1156+295 22154-175028| 30 30 30| 0119+115 22154-175043| 30 30 30 30 | 1746+470 22154-175151| 30 30 30 30 30| 0656+082 22154-175214| 30 30 30 | 1538+149 22154-175304| 30 30 30 30 30| 1851+488 22154-175412| 30 30 30| 0805+410 22154-175427| 30 30 30 30 | 1324+224 22154-175520| 30 30 30| 1636+473 22154-175628| 30 30 30| 0727-115 22154-175640| 30 30 30 30 30 | 3C418 22154-175821| 30 30 30 30 30 | 1053+704 22154-175929| 30 30 30 30| =========================================================== SKED Summary from file ./vo2153.skd for experiment VO2153 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 15.0 Min = 0.0 Max = 2016.0 (Baseline Gs-Wf on 1124-186) RMS = 43.7 Total time: 1440 minutes ( 24.0 hours). Key: Gs=GGAO12M Is=ISHIOKA K2=KOKEE12M Mg=MACGO12M Oe=ONSA13NE Ow=ONSA13SW Yj=RAEGYEB Wf=WESTFORD Ws=WETTZ13S Gs Is K2 Mg Oe Ow Yj Wf Ws Avg % obs. time: 35 35 21 33 28 29 36 29 34 31 % cal. time: 5 5 3 4 4 4 5 4 4 4 % slew time: 40 23 13 22 15 15 15 46 21 24 % idle time: 20 36 63 39 52 51 43 19 40 41 total # scans: 999 1004 601 957 812 834 1031 843 966 894 # scans/hour : 42 42 25 40 34 35 43 35 40 37 Avg scan (sec): 30 30 30 30 30 30 30 30 30 30 # data tracks: 16 16 16 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 16 16 16 Total TB(M5): 30.7 30.8 18.5 29.4 24.9 25.6 31.7 25.9 29.7 27.5 # OF OBSERVATIONS BY BASELINE | Gs Is K2 Mg Oe Ow Yj Wf Ws Total ------------------------------------------------------- Gs| 337 325 741 377 311 437 699 357 3584 Is| 403 422 415 404 515 292 556 3344 K2| 490 168 130 101 312 106 2035 Mg| 285 217 236 611 187 3189 Oe| 715 500 394 483 3337 Ow| 581 332 566 3256 Yj| 306 836 3512 Wf| 191 3137 Ws| 3282 Number of 2-station scans: 0 Number of 3-station scans: 705 Number of 4-station scans: 651 Number of 5-station scans: 357 Number of 6-station scans: 123 Number of 7-station scans: 26 Number of 8-station scans: 34 Number of 9-station scans: 39 Total number of scans: 1935 Total number of obs: 14338 Total integrated obs-time: 430140 Average obs-time: 30.0 Histogram of observation durations Dur: 30 #Obs: | Average X-band SNRs by baseline | Gs Is K2 Mg Oe Ow Yj Wf Ws AVG ------------------------------------------------------ Gs| 49 55 60 55 56 56 72 55 59 Is| 79 58 65 61 49 58 57 59 K2| 67 49 50 45 60 48 62 Mg| 51 50 53 72 49 61 Oe| 69 83 63 95 69 Ow| 78 64 89 69 Yj| 79 88 72 Wf| 82 69 Ws| 77 Average S-band SNRs by baseline | Gs Is K2 Mg Oe Ow Yj Wf Ws AVG ------------------------------------------------------ Gs| 37 37 41 36 37 38 43 45 40 Is| 51 39 43 41 36 35 48 42 K2| 41 32 32 32 33 42 39 Mg| 33 34 35 40 39 39 Oe| 45 53 34 72 46 Ow| 51 35 68 47 Yj| 43 68 49 Wf| 53 39 Ws| 59 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: GGAO12M 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 =========================================================== Minor Options BegScan Rel 1.00 EndScan Rel 1.00 StatWt Abs 1.00 =========================================================== Major Options Subnet GsIsK2MgOeOwYjWfWs 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 1 GGAO12M 2.00 2 ISHIOKA 3.00 4 MACGO12M 1.00 7 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) Gs Is K2 Mg Oe Ow Yj Wf Gs Is K2 Mg Oe Ow Yj Wf Is 15 Is 15 K2 15 15 K2 15 15 Mg 15 15 15 Mg 15 15 15 Oe 15 15 15 15 Oe 15 15 15 15 Ow 15 15 15 15 15 Ow 15 15 15 15 15 Yj 15 15 15 15 15 15 Yj 15 15 15 15 15 15 Wf 15 15 15 15 15 15 15 Wf 15 15 15 15 15 15 15 Ws 15 15 15 15 15 15 15 15 Ws 15 15 15 15 15 15 15 15