Session Notes for R1 (Rapid Turnaround Monday) session: r1013 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 R1013 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2002-092-17:00:00 Nominal end: 2002-093-17:00:00 Current yyyyddd: 2002092 (2002.25) ( 12367 MJD, TUES 2APR.) Greenwich sidereal time: 5:43:28.26 (17: 0: 0 UT) Sun's RA and DEC: 0h 47.0m 5d 2.9 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Ma Ny Wf Wz 0552+398 02092-170000| 30 30 30 30 30| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ma Ny Wf Wz 0749+540 02093-163943| 97 97 61 91 55| 0458-020 02093-164148| 82 82| 4C39.25 02093-164425| 30 30 30 30| 1128+385 02093-164718| 42 42 39 33| 0919-260 02093-165104| 30 30| 0823+033 02093-165233| 45 45 31| OK290 02093-165401| 56 56| End of listing. =========================================================== SKED Summary from file ./r1013.skd for experiment R1013 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 10.8 Min = .0 Max = 58.1 (Baseline Ny-Wz on 0458-020) RMS = 9.5 Total time: 1435 minutes ( 23.9 hours). Key: Gc=GILCREEK Ma=MATERA Ny=NYALES20 Wf=WESTFORD Wz=WETTZELL Gc Ma Ny Wf Wz Avg % obs. time: 28 27 29 29 32 29 % cal. time: 5 5 5 4 6 5 % slew time: 27 32 28 21 19 25 % idle time: 38 34 35 43 42 38 # of tapes : 1.6 1.6 1.8 1.7 1.9 total # scans: 448 454 505 425 551 476 # scans/hour : 18 18 21 17 23 19.9 Avg scan (sec): 54 52 51 60 50 53 tape change times (hhmm): 0730 0756 0707 0702 0534 # OF OBSERVATIONS BY BASELINE | Gc Ma Ny Wf Wz StnTotal ---------------------------------- Gc|448 203 387 334 295 1219 Ma| 454 310 254 448 1215 Ny| 505 324 407 1428 Wf| 425 315 1227 Wz| 551 1465 Number of 2-station scans: 225 Number of 3-station scans: 170 Number of 4-station scans: 152 Number of 5-station scans: 163 Total # of scans, observations: 710 3277 =========================================================== 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: MATERA NYALES20 WESTFORD WETTZELL 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) Ma MATERA 17400feet (Thin ) 56250. (High) Ny NYALES20 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 0) S-band (margin 0) Gc Ma Ny Wf Gc Ma Ny Wf Ma 20 Ma 15 Ny 20 20 Ny 15 15 Wf 20 20 20 Wf 15 15 15 Wz 20 20 20 20 Wz 15 15 15 15