Session Notes for R1 (Rapid Turnaround Monday) session: r1884 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2018.html#r1 for the session purpose. =========================================================== ----- Parameter listing -------------------------------------- Experiment: R1884 Description IVS-R1 Scheduler: NASA Correlator: BONN Start: 2019-063-17:00:00 End: 2019-064-17:00:00 Current yyyyddd: 2019063 (2019.17) ( 18547 MJD, MON. 4MAR.) Greenwich sidereal time: 03:48:40 (17:00:00 UT) Sun's RA and DEC: 23h 0.4m -6d 21.6 =========================================================== There are no observations for Kokee and Wettzell from 18:15 U.T. to 19:45 U.T. Kokee and Wettzell will participate in the intensive session during this period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Is Ke Kk Ny Kv Wz Yg 1030+415 19063-170000| 121 120 112 27 121 39 121| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Is Ke Kk Ny Kv Wz Yg 1053+704 19064-165455| 154 30 154 | 1144-379 19064-165512| 121 121 119 109| OJ287 19064-165813| 102 102 102 102 102 102| =========================================================== SKED Summary from file ./r1884.skd for experiment R1884 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 13.3 Min = 0.0 Max = 70.2 (Baseline Ny-Wz on 3C446 ) RMS = 15.6 Total time: 1440 minutes ( 24.0 hours). Key: Is=ISHIOKA Ke=KATH12M Kk=KOKEE Ny=NYALES20 Kv=SEJONG Wz=WETTZELL Yg=YARRA12M Is Ke Kk Ny Kv Wz Yg Avg % obs. time: 68 67 52 58 60 55 62 60 % cal. time: 6 6 5 7 5 6 5 6 % slew time: 11 18 24 26 22 15 16 19 % idle time: 13 9 18 8 12 23 16 14 total # scans: 558 483 450 591 444 538 435 499 # scans/hour : 23 20 19 25 19 22 18 21 Avg scan (sec): 106 120 99 85 116 88 123 104 # data tracks: 32 32 32 32 32 32 32 # Mk5 tracks: 32 32 32 32 32 32 32 Total TB(M5): 3.79 3.70 2.87 3.22 3.31 3.02 3.42 3.33 # OF OBSERVATIONS BY BASELINE | Is Ke Kk Ny Kv Wz Yg Total --------------------------------------------- Is| 286 367 337 387 281 226 1884 Ke| 191 123 289 108 403 1400 Kk| 289 256 219 140 1462 Ny| 232 491 74 1546 Kv| 216 246 1626 Wz| 90 1405 Yg| 1179 Number of 2-station scans: 404 Number of 3-station scans: 184 Number of 4-station scans: 148 Number of 5-station scans: 215 Number of 6-station scans: 53 Number of 7-station scans: 22 Total number of scans: 1026 Total number of obs: 5251 Total integrated obs-time: 511226 Average obs-time: 97.4 Histogram of observation durations Dur: 15 30 45 60 75 90 105 120 135 150 165 180 195 210 225 240 255 270 285 300 #Obs: | 711| 528| 569| 373| 442| 319| 519| 608| 387| 220| 103| 86| 128| 53| 50| 31| 39| 6| 79| Average X-band SNRs by baseline | Is Ke Kk Ny Kv Wz Yg AVG -------------------------------------------- Is| 48 56 70 57 66 35 56 Ke| 33 47 36 53 40 42 Kk| 61 37 48 25 46 Ny| 54 95 41 71 Kv| 51 28 44 Wz| 55 69 Yg| 36 Average S-band SNRs by baseline | Is Ke Kk Ny Kv Wz Yg AVG -------------------------------------------- Is| 30 53 35 33 33 29 36 Ke| 37 25 21 23 24 26 Kk| 46 35 40 35 43 Ny| 25 37 29 35 Kv| 23 21 27 Wz| 29 33 Yg| 26 =========================================================== Recording mode Name Code GEOSX8N 8F Recording mode for: ISHIOKA KATH12M KOKEE NYALES20 SEJONG WETTZELL YARRA12M Mode Tot.Rate Tot.BandW #BBC #bits Barrel Mk341:1 512 Mbits 128 MHz 14 2 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks 8.00 MHz 1 32(*1) 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 19.13 11.48 30.61 =========================================================== Monitoring Sources Source Min Max Actual #Num #Scans 1055+201 1.00 1.50 0.15 8 6 0529+075 1.00 1.50 0.29 15 13 0335-364 1.00 1.50 0.02 1 1 0202+149 1.00 1.50 1.41 74 20 2344-514 1.00 1.50 0.04 2 2 2142+110 1.00 1.50 0.11 6 4 1330+022 1.00 1.50 0.38 20 13 0812+367 1.00 1.50 1.05 55 21 1659-621 1.00 1.50 0.00 0 0 3C309.1 1.00 1.50 0.91 48 6 Total 4.36 229 86 =========================================================== Minor Options Astro Abs 3.00 BegScan Rel 1.00 EndScan Rel 1.00 NumObs Rel 1.00 StatIdle Abs 3.00 StatWt Abs 2.00 =========================================================== Major Options Subnet IsKeKkNyKvWzYg SkyCov Yes AllBlGood Yes MaxAngle 180.00 MinAngle 15.00 MinBetween 20 MinSunDist 4.00 MaxSlewTime 300 TimeWindow 4.00 MinSubNetSize 2 NumSubNet 1 Best 60 FillIn Yes FillMinSub 3 FillMinTime 120 FillBest 80 Add_ps 30.0 SNRWts Yes SplitTwins No =========================================================== 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) Is Ke Kk Ny Kv Wz Is Ke Kk Ny Kv Wz Ke 20 Ke 15 Kk 20 20 Kk 15 15 Ny 20 20 20 Ny 15 15 15 Kv 20 20 20 20 Kv 15 15 15 15 Wz 20 20 20 20 20 Wz 15 15 15 15 15 Yg 20 20 20 20 20 20 Yg 15 15 15 15 15 15