Session Notes for R1 (Rapid Turnaround Monday) session: r1036 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 R1036 Experiment description: IVS-R1 Scheduler: NASA Correlator: WACO Nominal start: 2002-252-17:00:00 Nominal end: 2002-253-17:00:00 Current yyyyddd: 2002252 (2002.69) ( 12527 MJD, MON. 9SEP.) Greenwich sidereal time: 16:14:17.12 (17: 0: 0 UT) Sun's RA and DEC: 11h 11.6m 5d 11.7 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Wf Wz 1334-127 02252-170000| 40 142 142 | 1156+295 02252-170000| 40 40 40| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Wf Wz 1300+580 02253-164711| 40 62 62 40| 0727-115 02253-164935| 51 51 | 3C446 02253-165118| 40 40 | =========================================================== SKED Summary from file ./r1036.skd for experiment R1036 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 5.1 Min = .0 Max = 22.8 (Baseline Tc-Wf on 0552+398) RMS = 6.0 Total time: 1432 minutes ( 23.9 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Tc Wf Wz Avg % obs. time: 28 20 34 16 39 34 29 % cal. time: 4 2 4 1 4 5 3 % slew time: 21 41 32 3 19 14 22 % idle time: 45 35 28 79 36 45 45 # of tapes : 1.6 1.1 1.9 .9 2.2 2.0 total # scans: 353 207 402 100 409 438 318 # scans/hour : 14 8 16 4 17 18 13.3 Avg scan (sec): 70 85 72 143 82 68 86 tape change times (hhmm): 0750 1403 0506 0000 0426 0506 0000 0000 0000 0000 1532 0000 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Tc Wf Wz StnTotal -------------------------------------- Gc|353 21 181 44 304 230 780 Hh| 207 200 32 83 186 522 Ma| 402 43 216 386 1026 Tc| 100 92 45 256 Wf| 409 255 950 Wz| 438 1102 Number of 2-station scans: 186 Number of 3-station scans: 202 Number of 4-station scans: 171 Number of 5-station scans: 47 Number of 6-station scans: 2 Total # of scans, observations: 608 2318 =========================================================== 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 =========================================================== 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) 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 Wf Gc Hh Ma Tc Wf Hh 20 Hh 15 Ma 20 20 Ma 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