Session Notes for R1 (Rapid Turnaround Monday) session: r1987 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2021.html#r1 for the session purpose. =========================================================== ----- Parameter listing -------------------------------------- Experiment: R1987 Description IVS-R1 Scheduler: NASA Correlator: BONN Start: 2021-053-17:00:00 End: 2021-054-17:00:00 Current yyyyddd: 2021053 (2021.15) ( 19268 MJD, MON. 22FEB.) Greenwich sidereal time: 03:11:16 (17:00:00 UT) Sun's RA and DEC: 22h 24.7m -9d 56.0 =========================================================== Important Station Information Ny Alesund-South and Wettzell-North were tagged along to this schedule file. =========================================================== 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 Ht Kk Ma Nt Ns On Kv Wn Wz Yg 0727-115 21053-170000| 400 48 20 77 79 400 105 94| 0955+476 21053-170226| 355 329 288 387 314 365 387 314| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Ht Kk Ma Nt Ns On Kv Wn Wz Yg 2229+695 21054-165512| 283 283 283 283 283 283 283 104 | OJ287 21054-165744| 131 131 131| =========================================================== SKED Summary from file ./r1987.skd for experiment R1987 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 12.3 Min = 0.0 Max = 57.8 (Baseline Ma-Yg on 3C418 ) RMS = 12.9 Total time: 1440 minutes ( 24.0 hours). Key: Ht=HART15M Kk=KOKEE Ma=MATERA Nt=NOTO Ns=NYALE13S On=ONSALA60 Kv=SEJONG Wn=WETTZ13N Wz=WETTZELL Yg=YARRA12M Ht Kk Ma Nt Ns On Kv Wn Wz Yg Avg % obs. time: 56 51 58 48 60 65 63 76 68 59 61 % cal. time: 5 4 5 5 3 5 5 5 5 5 5 % slew time: 23 18 31 41 2 23 20 8 11 16 20 % idle time: 15 25 4 5 33 6 12 10 15 19 15 total # scans: 430 336 426 437 286 409 390 458 452 405 402 # scans/hour : 18 14 18 18 12 17 16 19 19 17 17 Avg scan (sec): 113 132 119 95 183 137 139 143 131 126 131 # 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): 1.55 1.42 1.62 1.32 1.67 1.80 1.73 2.10 1.89 1.64 1.67 # OF OBSERVATIONS BY BASELINE | Ht Kk Ma Nt Ns On Kv Wn Wz Yg Total ------------------------------------------------------------ Ht| 0 258 281 115 236 101 273 265 203 1732 Kk| 115 101 138 128 227 130 133 152 1124 Ma| 409 255 388 189 405 390 95 2504 Nt| 240 376 179 408 392 91 2477 Ns| 266 177 270 253 52 1766 On| 195 392 372 85 2438 Kv| 201 190 183 1642 Wn| 415 104 2598 Wz| 103 2513 Yg| 1068 Number of 2-station scans: 294 Number of 3-station scans: 101 Number of 4-station scans: 48 Number of 5-station scans: 47 Number of 6-station scans: 103 Number of 7-station scans: 115 Number of 8-station scans: 134 Number of 9-station scans: 24 Number of 10-station scans: 0 Total number of scans: 866 Total number of obs: 9931 Total integrated obs-time: 1182724 Average obs-time: 119.1 Histogram of observation durations Dur: 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 #Obs: | 2227| 1237| 932| 910| 680| 697| 465| 446| 353| 326| 339| 299| 400| 148| 98| 120| 103| 51| 100| Average X-band SNRs by baseline | Ht Kk Ma Nt Ns On Kv Wn Wz Yg AVG ----------------------------------------------------------- Ht| - 65 51 58 53 40 77 97 40 63 Kk| 46 37 66 40 40 55 70 31 48 Ma| 69 80 75 41 98 125 40 80 Nt| 58 55 31 72 94 30 63 Ns| 78 60 113 140 54 85 On| 39 90 116 36 73 Kv| 51 66 33 45 Wn| 172 50 96 Wz| 60 115 Yg| 40 Average S-band SNRs by baseline | Ht Kk Ma Nt Ns On Kv Wn Wz Yg AVG ----------------------------------------------------------- Ht| - 32 59 37 29 25 51 46 26 40 Kk| 34 66 52 34 34 55 49 30 43 Ma| 59 33 28 18 48 44 18 39 Nt| 58 51 32 85 77 31 62 Ns| 33 26 60 54 24 44 On| 18 47 42 17 36 Kv| 30 27 17 26 Wn| 80 28 58 Wz| 25 54 Yg| 24 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: HART15M KOKEE MATERA NOTO ONSALA60 SEJONG WETTZ13N WETTZELL YARRA12M Mode Tot.Rate #Chan Chan.BW Tot.BW #BBC #bits Tracks*(fan) Tot.tracks Barrel Mk341:1 256 Mbps 16 8 Mhz 128 Mhz 14 1 16*(1) 16 NONE 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: NYALE13S Mode Tot.Rate #Chan Chan.BW Tot.BW #BBC #bits Tracks*(fan) Tot.tracks Barrel MK341:2 256 Mbps 16 8 Mhz 128 Mhz 14 1 16*(2) 32 NONE 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 =========================================================== Monitoring Sources Source Min Max Actual #Num #Scans 1428+370 1.00 1.50 0.00 0 0 2245-328 1.00 1.50 0.58 58 16 NGC1052 1.00 1.50 0.68 68 10 1013+054 1.00 1.50 0.00 0 0 1753+204 1.00 1.50 0.00 0 0 1657-562 1.00 1.50 0.23 23 23 0516-621 1.00 1.50 0.10 10 10 0548+084 1.00 1.50 0.48 48 5 0346+800 1.00 1.50 0.00 0 0 2037+216 1.00 1.50 0.00 0 0 Total 2.08 207 64 =========================================================== Minor Options Astro Abs 3.00 BegScan Rel 1.00 EndScan Rel 1.00 NumObs Rel 1.00 StatWt Abs 2.00 =========================================================== Major Options Subnet HtKkMaNtNsOnKvWnWzYg 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 El_noise 0.0 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 Kk Ma Nt Ns On Kv Wn Wz Ht Kk Ma Nt Ns On Kv Wn Wz Kk 20 Kk 15 Ma 20 20 Ma 15 15 Nt 20 20 20 Nt 15 15 15 Ns 20 20 20 20 Ns 15 15 15 15 On 20 20 20 20 20 On 15 15 15 15 15 Kv 20 20 20 20 20 20 Kv 15 15 15 15 15 15 Wn 20 20 20 20 20 20 20 Wn 15 15 15 15 15 15 15 Wz 20 20 20 20 20 20 20 20 Wz 15 15 15 15 15 15 15 15 Yg 20 20 20 20 20 20 20 20 20 Yg 15 15 15 15 15 15 15 15 15