Session Notes for R1 (Rapid Turnaround Monday) session: r1872 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: R1872 Description IVS-R1 Scheduler: NASA Correlator: BONN Start: 2018-344-17:00:00 End: 2018-345-17:00:00 Current yyyyddd: 2018344 (2018.94) ( 18463 MJD, MON. 10DEC.) Greenwich sidereal time: 22:17:29 (17:00:00 UT) Sun's RA and DEC: 17h 10.4m -22d 56.7 =========================================================== Important Station Information The lower elevation limit was set to 12 degrees for Ny Alesund. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Ht Is Kb Ke Ma Ny On Yg 0202+319 18344-170000| 80 80 34 60 77 77 70| 0458-020 18344-170217| 43 43 20 42 34| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Ht Is Kb Ke Ma Ny On Yg 1418+546 18345-165556| 97 81 97 93 83 | 0454-234 18345-165625| 20 20 20| 0458-020 18345-165723| 20 20| 1144+402 18345-165814| 48 35 101 101 101 | 0308-611 18345-165840| 75 75| 1308+326 18345-165938| 17 17 | =========================================================== SKED Summary from file ./r1872.skd for experiment R1872 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 13.4 Min = 0.0 Max = 180.0 (Baseline Ke-Ma on 1424-418) RMS = 14.6 Total time: 1440 minutes ( 24.0 hours). Key: Ht=HART15M Is=ISHIOKA Kb=KASHIM34 Ke=KATH12M Ma=MATERA Ny=NYALES20 On=ONSALA60 Yg=YARRA12M Ht Is Kb Ke Ma Ny On Yg Avg % obs. time: 47 65 46 64 50 56 58 62 56 % cal. time: 5 6 6 6 6 5 6 6 6 % slew time: 26 10 40 17 36 22 28 18 25 % idle time: 21 18 6 12 6 15 8 13 13 total # scans: 467 550 552 496 492 468 483 512 502 # scans/hour : 19 23 23 21 21 20 20 21 21 Avg scan (sec): 87 102 73 112 89 104 103 104 96 # data tracks: 32 32 32 32 32 32 32 32 # Mk5 tracks: 32 32 32 32 32 32 32 32 Total TB(M5): 2.60 3.59 2.57 3.56 2.79 3.11 3.19 3.42 3.10 # OF OBSERVATIONS BY BASELINE | Ht Is Kb Ke Ma Ny On Yg Total -------------------------------------------------- Ht| 133 138 194 248 153 200 266 1332 Is| 527 275 276 310 284 221 2026 Kb| 285 267 296 274 235 2022 Ke| 126 120 127 435 1562 Ma| 376 434 98 1825 Ny| 409 82 1746 On| 97 1825 Yg| 1434 Number of 2-station scans: 284 Number of 3-station scans: 270 Number of 4-station scans: 187 Number of 5-station scans: 170 Number of 6-station scans: 86 Number of 7-station scans: 48 Number of 8-station scans: 24 Total number of scans: 1069 Total number of obs: 6886 Total integrated obs-time: 642188 Average obs-time: 93.3 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: | 1111| 656| 736| 851| 922| 442| 507| 269| 245| 186| 201| 109| 78| 64| 94| 98| 92| 72| 153| Average X-band SNRs by baseline | Ht Is Kb Ke Ma Ny On Yg AVG ------------------------------------------------- Ht| 48 42 47 64 67 54 50 54 Is| 82 55 49 76 49 42 62 Kb| 44 45 64 43 32 55 Ke| 39 59 39 46 47 Ma| 78 70 38 60 Ny| 85 53 74 On| 37 60 Yg| 43 Average S-band SNRs by baseline | Ht Is Kb Ke Ma Ny On Yg AVG ------------------------------------------------- Ht| 35 39 26 32 36 30 32 32 Is| 56 29 23 33 24 28 36 Kb| 30 28 37 27 29 38 Ke| 18 25 18 24 26 Ma| 29 27 20 27 Ny| 31 27 32 On| 21 27 Yg| 27 =========================================================== Recording mode Name Code GEOSX8N 8F Recording mode for: HART15M ISHIOKA KASHIM34 KATH12M MATERA NYALES20 ONSALA60 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 0548+378 1.00 1.50 0.00 0 0 0259+121 1.00 1.50 0.01 1 1 0506-612 1.00 1.50 0.03 2 2 0035-252 1.00 1.50 0.06 4 4 1015+057 1.00 1.50 0.01 1 1 2325+093 1.00 1.50 1.41 97 13 1308+326 1.00 1.50 0.71 49 23 1954+513 1.00 1.50 1.41 97 13 3C345 1.00 1.50 0.22 15 15 0010+405 1.00 1.50 1.51 104 10 Total 5.37 370 82 =========================================================== 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 HtIsKbKeMaNyOnYg 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) Ht Is Kb Ke Ma Ny On Ht Is Kb Ke Ma Ny On Is 20 Is 15 Kb 20 20 Kb 15 15 Ke 20 20 20 Ke 15 15 15 Ma 20 20 20 20 Ma 15 15 15 15 Ny 20 20 20 20 20 Ny 15 15 15 15 15 On 20 20 20 20 20 20 On 15 15 15 15 15 15 Yg 20 20 20 20 20 20 20 Yg 15 15 15 15 15 15 15