Session Notes for R1 (Rapid Turnaround Monday) session: r1994 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: R1994 Description IVS-R1 Scheduler: NASA Correlator: BONN Start: 2021-102-17:00:00 End: 2021-103-17:00:00 Current yyyyddd: 2021102 (2021.28) ( 19317 MJD, MON. 12APR.) Greenwich sidereal time: 06:24:28 (17:00:00 UT) Sun's RA and DEC: 1h 25.1m 8d 56.6 =========================================================== Important Station Information Ny Alesund-South was tagged along to this schedule file. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Ht Ma Ns Kv Wn Yg 1128+385 21102-170000| 127 97 162 165 165| 0736+017 21102-170326| 69 44 69 | 1741-038 21102-170356| 130 130| 0458-020 21102-170529| 23 20 23 | 0804-267 21102-170711| 293 327 153 327| 1642+690 21102-171023| 140 140 | 3C279 21102-171406| 20 23 23| 0814+425 21102-171533| 36 92 92 71 91 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Ht Ma Ns Kv Wn Yg 0642+449 21103-164827| 75 65 110 89 110 | 1642+690 21103-165101| 191 218 218 | 2353-686 21103-165117| 193 193| 1504+377 21103-165520| 79 79 | 1741-038 21103-165549| 246 246| 0955+326 21103-165755| 120 120 120 | =========================================================== SKED Summary from file ./r1994.skd for experiment R1994 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 12.7 Min = 0.0 Max = 58.2 (Baseline Ma-Yg on OJ287 ) RMS = 14.9 Total time: 1440 minutes ( 24.0 hours). Key: Ht=HART15M Ma=MATERA Ns=NYALE13S Kv=SEJONG Wn=WETTZ13N Yg=YARRA12M Ht Ma Ns Kv Wn Yg Avg % obs. time: 59 55 36 63 67 53 55 % cal. time: 5 6 2 4 6 3 4 % slew time: 23 34 1 16 9 12 16 % idle time: 12 5 60 17 18 31 24 total # scans: 445 477 167 305 509 287 365 # scans/hour : 19 20 7 13 21 12 15 Avg scan (sec): 115 99 188 178 113 160 141 # data tracks: 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 Total TB(M5): 1.63 1.52 1.00 1.74 1.85 1.47 1.53 # OF OBSERVATIONS BY BASELINE | Ht Ma Ns Kv Wn Yg Total ---------------------------------------- Ht| 338 81 111 325 157 1012 Ma| 135 138 459 94 1164 Ns| 127 162 46 551 Kv| 180 167 723 Wn| 89 1215 Yg| 553 Number of 2-station scans: 284 Number of 3-station scans: 260 Number of 4-station scans: 80 Number of 5-station scans: 96 Number of 6-station scans: 7 Total number of scans: 727 Total number of obs: 2609 Total integrated obs-time: 319980 Average obs-time: 122.6 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: | 438| 249| 375| 320| 176| 198| 168| 140| 75| 58| 106| 51| 55| 34| 53| 38| 12| 24| 39| Average X-band SNRs by baseline | Ht Ma Ns Kv Wn Yg AVG --------------------------------------- Ht| 48 55 34 54 41 48 Ma| 65 33 71 36 56 Ns| 44 93 52 66 Kv| 36 35 36 Wn| 46 62 Yg| 40 Average S-band SNRs by baseline | Ht Ma Ns Kv Wn Yg AVG --------------------------------------- Ht| 25 40 25 40 25 31 Ma| 31 17 38 17 29 Ns| 26 59 30 39 Kv| 27 22 23 Wn| 29 39 Yg| 24 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: HART15M MATERA SEJONG WETTZ13N 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 0302+625 1.00 1.50 0.42 11 11 1647-296 1.00 1.50 0.61 16 7 NGC1218 1.00 1.50 0.92 24 7 1936+046 1.00 1.50 0.84 22 8 0955+326 1.00 1.50 1.23 32 14 3C279 1.00 1.50 1.26 33 18 1642+690 1.00 1.50 1.26 33 13 0804-267 1.00 1.50 0.80 21 6 2210-257 1.00 1.50 0.27 7 3 2353-686 1.00 1.50 0.54 14 14 Total 8.16 213 101 =========================================================== 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 HtMaNsKvWnYg 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 Ma Ns Kv Wn Ht Ma Ns Kv Wn Ma 20 Ma 15 Ns 20 20 Ns 15 15 Kv 20 20 20 Kv 15 15 15 Wn 20 20 20 20 Wn 15 15 15 15 Yg 20 20 20 20 20 Yg 15 15 15 15 15