Session Notes for R1 (Rapid Turnaround Monday) session: r1037 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 R1037 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2002-259-17:00:00 Nominal end: 2002-260-17:00:00 Current yyyyddd: 2002259 (2002.71) ( 12534 MJD, MON. 16SEP.) Greenwich sidereal time: 16:41:53.01 (17: 0: 0 UT) Sun's RA and DEC: 11h 36.7m 2d 31.1 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Ma Ny Tc Wf Wz 1156+295 02259-170000| 190 190 190 190 155 190| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ma Ny Tc Wf Wz 0014+813 02260-164321| 94 188 48 188 96| 0528+134 02260-164724| 40 40 | 0727-115 02260-164848| 54 54 | 0808+019 02260-165025| 40 40 | =========================================================== SKED Summary from file ./r1037.skd for experiment R1037 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 6.1 Min = .0 Max = 36.3 (Baseline Ny-Wz on 1351-018) RMS = 6.5 Total time: 1431 minutes ( 23.9 hours). Key: Gc=GILCREEK Ma=MATERA Ny=NYALES20 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Ma Ny Tc Wf Wz Avg % obs. time: 33 35 36 16 39 32 32 % cal. time: 5 4 5 1 4 5 4 % slew time: 27 33 25 3 19 15 20 % idle time: 33 26 31 78 36 46 42 # of tapes : 1.9 1.9 2.4 .9 2.1 1.9 total # scans: 445 419 492 99 423 468 391 # scans/hour : 18 17 20 4 17 19 16.3 Avg scan (sec): 64 71 63 144 79 60 80 tape change times (hhmm): 0531 0539 0227 0000 0441 0526 0000 0000 1242 0000 1528 0000 # OF OBSERVATIONS BY BASELINE | Gc Ma Ny Tc Wf Wz StnTotal -------------------------------------- Gc|445 234 393 46 330 279 1282 Ma| 419 326 47 257 415 1279 Ny| 492 39 318 376 1452 Tc| 99 92 49 273 Wf| 423 293 1290 Wz| 468 1412 Number of 2-station scans: 191 Number of 3-station scans: 139 Number of 4-station scans: 131 Number of 5-station scans: 183 Number of 6-station scans: 18 Total # of scans, observations: 662 3494 =========================================================== 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 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 =========================================================== 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) Tc TIGOCONC 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 Ma Ny Tc Wf Gc Ma Ny Tc Wf Ma 20 Ma 15 Ny 20 20 Ny 15 15 Tc 20 20 20 Tc 15 15 15 Wf 20 20 20 20 Wf 15 15 15 15 Wz 20 20 20 20 20 Wz 15 15 15 15 15