Session Notes for R1 (Rapid Turnaround Monday) session: r1997 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: R1997 Description IVS-R1 Scheduler: NASA Correlator: BONN Start: 2021-123-17:00:00 End: 2021-124-17:00:00 Current yyyyddd: 2021123 (2021.34) ( 19338 MJD, MON. 3MAY.) Greenwich sidereal time: 07:47:15 (17:00:00 UT) Sun's RA and DEC: 2h 44.1m 15d 53.0 =========================================================== Important Station Information Ny Alesund-South and Wettzell-North were tagged along to this schedule file. Ny Alesund was scheduled with increased SEFDs to compensate for their warm receiver. =========================================================== There are no observations for and Wettzell from 18:15 U.T. to 19:45 U.T. Wettzell will participate in the intensive session during this period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Ht Ma Nt Ny Ns On Kv Wn Wz Yg Zc 0814+425 21123-170000| 44 127 67 120 175 125 159 175 159 73| 1424-418 21123-170217| 76 76 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Ht Ma Nt Ny Ns On Kv Wn Wz Yg Zc 1424-418 21124-163822| 337 337 | 0420-014 21124-164024| 98 63 20 88 114 114 | OJ287 21124-164308| 91 82 51 20 86 75 82 91 20| 3C418 21124-164515| 53 53 44 53 | 0834-201 21124-164542| 61 45 55 62 70 70| 2113+293 21124-164649| 178 199 199 | 0700-197 21124-164733| 86 93 60 94 94 94 | 0812+020 21124-164948| 595 382 595 595 595| 0202+319 21124-165049| 57 77 77 76 | 2229+695 21124-165304| 185 411 411 411 411 | 0434-188 21124-165802| 113 113 | =========================================================== SKED Summary from file ./r1997.skd for experiment R1997 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 10.2 Min = 0.0 Max = 55.4 (Baseline Ny-On on 0420-014) RMS = 11.2 Total time: 1440 minutes ( 24.0 hours). Key: Ht=HART15M Ma=MATERA Nt=NOTO Ny=NYALES20 Ns=NYALE13S On=ONSALA60 Kv=SEJONG Wn=WETTZ13N Wz=WETTZELL Yg=YARRA12M Zc=ZELENCHK Ht Ma Nt Ny Ns On Kv Wn Wz Yg Zc Avg % obs. time: 60 64 48 73 74 70 71 77 67 59 34 63 % cal. time: 4 4 5 4 3 4 3 5 5 3 5 4 % slew time: 22 27 40 17 2 21 13 7 11 11 54 21 % idle time: 13 5 6 5 19 4 12 10 17 26 6 12 total # scans: 358 340 415 308 279 328 259 410 429 271 429 347 # scans/hour : 15 14 17 13 12 14 11 17 18 11 18 14 Avg scan (sec): 144 162 100 205 230 184 237 163 135 189 69 164 # data tracks: 16 16 16 16 16 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 16 16 16 16 16 Total TB(M5): 1.65 1.77 1.32 2.03 2.05 1.94 1.97 2.13 1.85 1.64 0.94 1.75 # OF OBSERVATIONS BY BASELINE | Ht Ma Nt Ny Ns On Kv Wn Wz Yg Zc Total ----------------------------------------------------------------- Ht| 134 182 79 69 110 53 157 156 183 155 1278 Ma| 307 224 205 270 138 301 294 45 278 2196 Nt| 210 192 252 125 330 343 49 343 2333 Ny| 267 273 174 251 232 32 218 1960 Ns| 249 169 235 212 33 196 1827 On| 155 289 274 44 245 2161 Kv| 156 152 99 142 1363 Wn| 356 55 319 2449 Wz| 56 354 2429 Yg| 64 660 Zc| 2314 Number of 2-station scans: 260 Number of 3-station scans: 110 Number of 4-station scans: 75 Number of 5-station scans: 52 Number of 6-station scans: 39 Number of 7-station scans: 52 Number of 8-station scans: 61 Number of 9-station scans: 105 Number of 10-station scans: 33 Number of 11-station scans: 5 Total number of scans: 792 Total number of obs: 10485 Total integrated obs-time: 1366234 Average obs-time: 130.3 Histogram of observation durations Dur: 0 30 60 90 120 150 180 210 240 270 300 330 360 390 420 450 480 510 540 570 600 #Obs: | 1093| 1971| 1683| 1263| 1061| 851| 518| 423| 518| 354| 242| 192| 123| 44| 25| 34| 33| 16| 13| 28| Average X-band SNRs by baseline | Ht Ma Nt Ny Ns On Kv Wn Wz Yg Zc AVG ---------------------------------------------------------------- Ht| 71 46 48 72 61 36 73 90 37 80 62 Ma| 67 57 87 80 45 104 132 47 115 88 Nt| 38 56 52 28 70 87 30 87 64 Ny| 76 56 37 65 80 40 74 61 Ns| 81 58 104 125 61 110 87 On| 42 88 110 45 102 77 Kv| 47 57 35 57 45 Wn| 158 47 126 97 Wz| 58 156 116 Yg| 60 44 Zc| 105 Average S-band SNRs by baseline | Ht Ma Nt Ny Ns On Kv Wn Wz Yg Zc AVG ---------------------------------------------------------------- Ht| 31 49 26 36 28 22 42 38 25 37 35 Ma| 61 24 32 29 18 53 49 20 39 40 Nt| 39 50 45 29 84 77 32 70 60 Ny| 33 25 18 37 32 20 29 30 Ns| 30 24 50 42 25 37 37 On| 18 43 37 19 33 33 Kv| 26 22 19 21 22 Wn| 79 26 59 56 Wz| 23 53 51 Yg| 24 23 Zc| 45 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: HART15M MATERA NOTO NYALES20 ONSALA60 SEJONG WETTZ13N WETTZELL YARRA12M ZELENCHK 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 0812+020 1.00 1.50 0.10 10 1 0241+622 1.00 1.50 0.43 45 10 0528-250 1.00 1.50 0.24 25 2 3C454.3 1.00 1.50 0.80 84 13 3C273B 1.00 1.50 0.33 35 9 1519-294 1.00 1.50 0.17 18 2 0918-534 1.00 1.50 0.02 2 2 1753+204 1.00 1.50 0.00 0 0 1925-610 1.00 1.50 0.10 11 11 0933+503 1.00 1.50 0.01 1 1 Total 2.20 231 51 =========================================================== 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 HtMaNtNyNsOnKvWnWzYgZc 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 Nt Ny Ns On Kv Wn Wz Yg Ht Ma Nt Ny Ns On Kv Wn Wz Yg Ma 20 Ma 15 Nt 20 20 Nt 15 15 Ny 20 20 20 Ny 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 Zc 20 20 20 20 20 20 20 20 20 20 Zc 15 15 15 15 15 15 15 15 15 15