Session Notes for R1 (Rapid Turnaround Monday) session: r1969 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: R1969 Description IVS-R1 Scheduler: NASA Correlator: BONN Start: 2020-293-17:00:00 End: 2020-294-17:00:00 Current yyyyddd: 2020293 (2020.80) ( 19142 MJD, MON. 19OCT.) Greenwich sidereal time: 18:54:30 (17:00:00 UT) Sun's RA and DEC: 13h 39.4m -10d 19.2 =========================================================== Important Station Information The SEFDs for Ny Alesund were increased to 3000 for both bands to compensate for their warm receiver. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Ag Ft Ht Ma Ny Kv Wn Yg 0552+398 20293-170000| 182 150 182| 1741-038 20293-170000| 215 65 119 173 215 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Ag Ft Ht Ma Ny Kv Wn Yg 1741-038 20294-165543| 25 25 | 1751+288 20294-165652| 183 183 | NRAO512 20294-165701| 174 174 174 | 0727-115 20294-165723| 152 152| =========================================================== SKED Summary from file ./r1969.skd for experiment R1969 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 6.5 Min = 0.0 Max = 54.1 (Baseline Kv-Yg on 2052-474) RMS = 9.6 Total time: 1440 minutes ( 24.0 hours). Key: Ag=AGGO Ft=FORTLEZA Ht=HART15M Ma=MATERA Ny=NYALES20 Kv=SEJONG Wn=WETTZ13N Yg=YARRA12M Ag Ft Ht Ma Ny Kv Wn Yg Avg % obs. time: 56 56 65 60 64 66 70 57 62 % cal. time: 2 3 4 4 4 4 5 3 3 % slew time: 4 36 21 29 17 16 8 10 18 % idle time: 36 4 9 6 15 14 17 29 17 total # scans: 196 239 333 351 307 308 413 260 300 # scans/hour : 8 10 14 15 13 13 17 11 13 Avg scan (sec): 249 204 169 147 179 184 146 189 182 # data tracks: 16 16 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 16 16 Total TB(M5): 1.56 1.56 1.80 1.65 1.76 1.81 1.93 1.57 1.71 # OF OBSERVATIONS BY BASELINE | Ag Ft Ht Ma Ny Kv Wn Yg Total -------------------------------------------------- Ag| 109 124 44 3 0 50 0 330 Ft| 101 114 68 5 120 7 524 Ht| 124 52 39 140 85 665 Ma| 186 67 324 33 892 Ny| 126 214 25 674 Kv| 92 169 498 Wn| 37 977 Yg| 356 Number of 2-station scans: 511 Number of 3-station scans: 200 Number of 4-station scans: 122 Number of 5-station scans: 51 Number of 6-station scans: 7 Number of 7-station scans: 0 Number of 8-station scans: 0 Total number of scans: 891 Total number of obs: 2458 Total integrated obs-time: 384696 Average obs-time: 156.5 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: | 191| 141| 309| 231| 281| 187| 152| 117| 132| 125| 84| 78| 62| 78| 85| 41| 45| 37| 82| Average X-band SNRs by baseline | Ag Ft Ht Ma Ny Kv Wn Yg AVG ------------------------------------------------- Ag| 30 26 27 44 - 24 - 27 Ft| 52 54 32 25 48 27 44 Ht| 75 44 35 75 35 52 Ma| 51 34 109 36 73 Ny| 30 55 40 45 Kv| 35 34 33 Wn| 41 71 Yg| 35 Average S-band SNRs by baseline | Ag Ft Ht Ma Ny Kv Wn Yg AVG ------------------------------------------------- Ag| 14 21 17 13 - 23 - 18 Ft| 32 21 18 18 28 19 23 Ht| 36 27 24 52 26 33 Ma| 24 19 52 18 34 Ny| 20 37 22 27 Kv| 27 18 21 Wn| 26 41 Yg| 21 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: AGGO HART15M MATERA NYALES20 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: FORTLEZA 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 2232-488 1.00 1.50 0.28 7 7 0451-282 1.00 1.50 0.73 18 9 2121+053 1.00 1.50 1.67 41 22 2121+547 1.00 1.50 0.69 17 7 1313-333 1.00 1.50 0.53 13 4 0009-148 1.00 1.50 0.41 10 3 1227+255 1.00 1.50 0.37 9 5 1221+809 1.00 1.50 0.28 7 5 0208-512 1.00 1.50 1.02 25 13 1622-253 1.00 1.50 0.28 7 3 Total 6.27 154 78 =========================================================== 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 AgFtHtMaNyKvWnYg 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 =========================================================== Weighted Station 1 AGGO 2.00 2 FORTLEZA 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) Ag Ft Ht Ma Ny Kv Wn Ag Ft Ht Ma Ny Kv Wn Ft 15 Ft 13 Ht 15 20 Ht 13 15 Ma 15 20 20 Ma 13 15 15 Ny 15 20 20 20 Ny 13 15 15 15 Kv 15 20 20 20 20 Kv 13 15 15 15 15 Wn 15 20 20 20 20 20 Wn 13 15 15 15 15 15 Yg 15 20 20 20 20 20 20 Yg 13 15 15 15 15 15 15