Session Notes for R1 (Rapid Turnaround Monday) session: r1047 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2002.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1047 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2002-329-17:00:00 Nominal end: 2002-330-17:00:00 Current yyyyddd: 2002329 (2002.90) ( 12604 MJD, MON. 25NOV.) Greenwich sidereal time: 21:17:51.89 (17: 0: 0 UT) Sun's RA and DEC: 16h 4.9m -20d 48.4 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Ts Wf 1741-038 02329-170000| 91 190 190| 0059+581 02329-170000| 40 40 40 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Ts Wf 1334-127 02330-162348| 190 190| 2243-123 02330-162509| 128 128 | 0556+238 02330-162529| 40 40 | 0528+134 02330-162652| 40 40 | 0133+476 02330-162909| 40 40 40 40| 0552+398 02330-163058| 40 40 40 | 0106+013 02330-163312| 50 40 50 | 1923+210 02330-163412| 40 40| 1300+580 02330-163628| 42 71 40 71| 1156+295 02330-163838| 40 40 40| 0048-097 02330-164006| 49 49 | 3C274 02330-164141| 65 57 65| 2136+141 02330-164415| 40 40 40| 0656+082 02330-164448| 40 40 | 1803+784 02330-164715| 40 40 40 40| =========================================================== SKED Summary from file ./r1047.skd for experiment R1047 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 4.1 Min = .0 Max = 22.7 (Baseline Tc-Wf on 0552+398) RMS = 5.3 Total time: 1428 minutes ( 23.8 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Tc=TIGO Ts=TSUKUB32 Wf=WESTFORD Gc Hh Ma Tc Ts Wf Avg % obs. time: 34 14 32 19 28 40 28 % cal. time: 5 2 4 1 5 4 3 % slew time: 31 36 35 3 21 21 25 % idle time: 28 46 26 75 44 33 42 # of tapes : 2.0 .9 1.9 1.1 1.6 2.2 total # scans: 500 179 386 110 461 419 342 # scans/hour : 21 7 16 4 19 17 14.3 Avg scan (sec): 58 69 72 149 53 81 80 tape change times (hhmm): 0505 0000 0623 1616 0736 0406 0000 0000 0000 0000 0000 1454 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Tc Ts Wf StnTotal -------------------------------------- Gc|500 10 195 42 370 314 931 Hh| 179 155 33 59 66 323 Ma| 386 42 198 235 825 Tc| 110 18 92 227 Ts| 461 188 833 Wf| 419 895 Number of 2-station scans: 354 Number of 3-station scans: 245 Number of 4-station scans: 148 Number of 5-station scans: 4 Number of 6-station scans: 0 Total # of scans, observations: 751 2017 =========================================================== Recording mode Name Code GEOSX4F 4F Recording mode setup for: GILCREEK Mode Tot.Rate Tot.BandW #chan #bits Barrel VLBA1:2 256.000 Mbits 128.000 MHz 14 1 8:1 Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: HARTRAO MATERA TIGOCONC WESTFORD Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 256.000 Mbits 128.000 MHz 14 1 16 Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: TSUKUB32 Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 256.000 Mbits 128.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 =========================================================== Tape types ID Station Tape length Density Gc GILCREEK 17400feet (Thin ) 56700. (High) Hh HARTRAO 17400feet (Thin ) 56250. (High) Ma MATERA 17400feet (Thin ) 56250. (High) Tc TIGOCONC 17400feet (Thin ) 56250. (High) Ts TSUKUB32 17400feet (Thin ) 56250. (High) Wf WESTFORD 17400feet (Thin ) 56250. (High) =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 5) Gc Hh Ma Tc Ts Gc Hh Ma Tc Ts Hh 20 Hh 15 Ma 20 20 Ma 15 15 Tc 20 20 20 Tc 15 15 15 Ts 20 20 20 20 Ts 15 15 15 15 Wf 20 20 20 20 20 Wf 15 15 15 15 15