Session Notes for R1 (Rapid Turnaround Monday) session: r1062 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2003.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1062 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2003-076-17:00:00 Nominal end: 2003-077-17:00:00 Current yyyyddd: 2003076 (2003.21) ( 12716 MJD, MON. 17MAR.) Greenwich sidereal time: 4:39:26.09 (17: 0: 0 UT) Sun's RA and DEC: 23h 47.9m -1d 19.0 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Ts Wf Wz 0454-234 03076-170000| 62 104 105 105| NRAO512 03076-170000| 40 40 40 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Ts Wf Wz 0823+033 03077-164720| 40 40 40| 3C446 03077-164841| 55 86 86 | 0405-385 03077-165000| 40 40 | =========================================================== SKED Summary from file ./r1062.skd for experiment R1062 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 4.9 Min = .0 Max = 28.5 (Baseline Tc-Wf on 0955+476) RMS = 5.7 Total time: 1430 minutes ( 23.8 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Tc=TIGO Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Tc Ts Wf Wz Avg % obs. time: 32 16 33 24 27 40 31 29 % cal. time: 5 2 4 1 5 4 5 4 % slew time: 30 40 36 5 21 20 15 24 % idle time: 31 41 24 68 45 34 47 41 # of tapes : 1.9 .9 1.9 1.4 1.6 2.2 1.8 total # scans: 490 187 424 139 454 421 441 365 # scans/hour : 20 7 17 5 19 17 18 15.2 Avg scan (sec): 56 75 68 153 51 81 61 77 tape change times (hhmm): 0616 0000 0509 1010 0850 0359 0605 0000 0000 0000 0000 0000 1430 0000 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Tc Ts Wf Wz StnTotal ------------------------------------------ Gc|490 11 229 37 365 311 265 1218 Hh| 187 147 51 53 58 128 448 Ma| 424 49 219 250 403 1297 Tc| 139 19 102 50 308 Ts| 454 191 242 1089 Wf| 421 274 1186 Wz| 441 1362 Number of 2-station scans: 268 Number of 3-station scans: 172 Number of 4-station scans: 175 Number of 5-station scans: 156 Number of 6-station scans: 4 Number of 7-station scans: 0 Total # of scans, observations: 775 3454 =========================================================== 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 WETTZELL 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) Wz WETTZELL 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 Wf Gc Hh Ma Tc Ts Wf 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 Wz 20 20 20 20 20 20 Wz 15 15 15 15 15 15