Session Notes for R1 (Rapid Turnaround Monday) session: r1975 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2020.html#r1 for the session purpose. =========================================================== ----- Parameter listing -------------------------------------- Experiment: R1975 Description IVS-R1 Scheduler: NASA Correlator: BONN Start: 2020-335-17:00:00 End: 2020-336-17:00:00 Current yyyyddd: 2020335 (2020.92) ( 19184 MJD, MON. 30NOV.) Greenwich sidereal time: 21:40:06 (17:00:00 UT) Sun's RA and DEC: 16h 29.0m -21d 47.4 =========================================================== 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 0003-066 20335-170000| 177 177 177 169| 0814+425 20335-170339| 109 109 29 109| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Ht Ma Ns Kv Wn Yg 1749+096 20336-164648| 20 38 38 | 1751+288 20336-164807| 26 26 | 2000+472 20336-164935| 20 20 | 0048-427 20336-165059| 168 168| 1636+473 20336-165059| 39 39 | 1929+226 20336-165255| 87 87 | 0458-020 20336-165502| 293 293| 2214+350 20336-165529| 266 266 266 | =========================================================== SKED Summary from file ./r1975.skd for experiment R1975 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 13.5 Min = 0.0 Max = 55.0 (Baseline Ns-Yg on 0458-020) RMS = 16.4 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: 58 55 43 65 68 69 60 % cal. time: 4 5 2 3 5 3 4 % slew time: 19 36 1 14 8 11 15 % idle time: 18 4 53 17 18 16 21 total # scans: 318 425 162 283 448 273 318 # scans/hour : 13 18 7 12 19 11 13 Avg scan (sec): 158 112 231 197 131 218 174 # data tracks: 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 Total TB(M5): 1.61 1.52 1.20 1.78 1.87 1.90 1.65 # OF OBSERVATIONS BY BASELINE | Ht Ma Ns Kv Wn Yg Total ---------------------------------------- Ht| 228 45 68 214 160 715 Ma| 146 154 408 107 1043 Ns| 141 153 57 542 Kv| 190 162 715 Wn| 93 1058 Yg| 579 Number of 2-station scans: 262 Number of 3-station scans: 180 Number of 4-station scans: 104 Number of 5-station scans: 69 Number of 6-station scans: 14 Total number of scans: 629 Total number of obs: 2326 Total integrated obs-time: 359224 Average obs-time: 154.4 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: | 196| 179| 159| 226| 344| 133| 153| 115| 125| 186| 144| 83| 41| 28| 13| 23| 38| 42| 98| Average X-band SNRs by baseline | Ht Ma Ns Kv Wn Yg AVG --------------------------------------- Ht| 51 95 43 58 46 54 Ma| 80 40 80 33 63 Ns| 53 104 67 79 Kv| 45 31 42 Wn| 41 69 Yg| 41 Average S-band SNRs by baseline | Ht Ma Ns Kv Wn Yg AVG --------------------------------------- Ht| 25 37 24 40 25 30 Ma| 31 17 41 17 30 Ns| 22 55 24 35 Kv| 27 17 21 Wn| 28 39 Yg| 22 =========================================================== 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= 277.7 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= 277.7 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 0334-546 1.00 1.50 0.00 0 0 1143-696 1.00 1.50 0.00 0 0 1706-174 1.00 1.50 0.39 9 3 OK290 1.00 1.50 0.69 16 10 1936+046 1.00 1.50 0.39 9 3 1929-457 1.00 1.50 0.00 0 0 1823+689 1.00 1.50 0.00 0 0 2243-123 1.00 1.50 1.29 30 9 1423+146 1.00 1.50 0.39 9 3 0342+147 1.00 1.50 0.69 16 8 Total 3.83 89 36 =========================================================== 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 =========================================================== Weighted Station 6 YARRA12M 1.00 =========================================================== 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