Session Notes for R1 (Rapid Turnaround Monday) session: r1970 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: R1970 Description IVS-R1 Scheduler: NASA Correlator: BONN Start: 2020-300-17:00:00 End: 2020-301-17:00:00 Current yyyyddd: 2020300 (2020.82) ( 19149 MJD, MON. 26OCT.) Greenwich sidereal time: 19:22:06 (17:00:00 UT) Sun's RA and DEC: 14h 6.0m -12d 45.8 =========================================================== Important Station Information The SEFDs for Ny Alesund were increased to 3000 for both bands due to their warm receiver. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Ft Ht Ma Ny Kv Wn Yg 3C418 20300-170000| 67 90 40 194 194 131 | 2227-088 20300-170252| 129 108 102 39 129| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Ft Ht Ma Ny Kv Wn Yg NRAO512 20301-165236| 261 172 261 | 0019+058 20301-165448| 307 307 | 2227-088 20301-165740| 135 135 135 135| =========================================================== SKED Summary from file ./r1970.skd for experiment R1970 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 9.7 Min = 0.0 Max = 57.0 (Baseline Ft-Yg on 2008-159) RMS = 13.0 Total time: 1440 minutes ( 24.0 hours). Key: Ft=FORTLEZA Ht=HART15M Ma=MATERA Ny=NYALES20 Kv=SEJONG Wn=WETTZ13N Yg=YARRA12M Ft Ht Ma Ny Kv Wn Yg Avg % obs. time: 58 60 61 56 59 71 64 61 % cal. time: 3 4 4 3 3 4 3 4 % slew time: 36 23 28 14 14 7 12 20 % idle time: 3 11 6 26 22 17 20 15 total # scans: 282 360 331 244 281 384 298 311 # scans/hour : 12 15 14 10 12 16 12 13 Avg scan (sec): 176 145 158 200 182 160 184 171 # data tracks: 16 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 16 Total TB(M5): 1.59 1.67 1.68 1.56 1.64 1.96 1.76 1.69 # OF OBSERVATIONS BY BASELINE | Ft Ht Ma Ny Kv Wn Yg Total --------------------------------------------- Ft| 225 197 82 19 195 30 748 Ht| 172 49 34 187 131 798 Ma| 154 63 303 34 923 Ny| 100 183 22 590 Kv| 87 173 476 Wn| 55 1010 Yg| 445 Number of 2-station scans: 388 Number of 3-station scans: 142 Number of 4-station scans: 150 Number of 5-station scans: 67 Number of 6-station scans: 6 Number of 7-station scans: 1 Total number of scans: 754 Total number of obs: 2495 Total integrated obs-time: 374132 Average obs-time: 150.0 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: | 319| 222| 176| 172| 236| 275| 183| 128| 96| 101| 125| 60| 66| 76| 68| 32| 43| 21| 96| Average X-band SNRs by baseline | Ft Ht Ma Ny Kv Wn Yg AVG -------------------------------------------- Ft| 38 40 36 30 40 23 38 Ht| 69 51 41 75 43 55 Ma| 60 40 96 32 67 Ny| 34 63 41 52 Kv| 51 28 36 Wn| 37 68 Yg| 34 Average S-band SNRs by baseline | Ft Ht Ma Ny Kv Wn Yg AVG -------------------------------------------- Ft| 21 17 17 15 24 19 20 Ht| 35 27 26 52 27 33 Ma| 25 18 48 17 32 Ny| 19 41 18 28 Kv| 30 17 20 Wn| 26 40 Yg| 21 =========================================================== Recording mode Name Code GEOSX SX 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 Recording mode for: 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 =========================================================== Monitoring Sources Source Min Max Actual #Num #Scans 2326-477 1.00 1.50 0.20 5 5 0630-261 1.00 1.50 0.08 2 2 1601+112 1.00 1.50 0.00 0 0 0010+405 1.00 1.50 0.04 1 1 0332+078 1.00 1.50 0.00 0 0 2134+00 1.00 1.50 0.32 8 8 1739+522 1.00 1.50 1.08 27 13 0159+723 1.00 1.50 0.44 11 9 1306-395 1.00 1.50 0.40 10 10 1824-582 1.00 1.50 0.52 13 13 Total 3.09 77 61 =========================================================== 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 FtHtMaNyKvWnYg 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 FORTLEZA 2.00 7 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) Ft Ht Ma Ny Kv Wn Ft Ht Ma Ny Kv Wn Ht 20 Ht 15 Ma 20 20 Ma 15 15 Ny 20 20 20 Ny 15 15 15 Kv 20 20 20 20 Kv 15 15 15 15 Wn 20 20 20 20 20 Wn 15 15 15 15 15 Yg 20 20 20 20 20 20 Yg 15 15 15 15 15 15