Session Notes for R1 (Rapid Turnaround Monday) session: r1016.skd 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 R1016 Experiment description: IVS-R1 Scheduler: NASA Correlator: WACO Nominal start: 2002-112-17:00:00 Nominal end: 2002-113-17:00:00 Current yyyyddd: 2002112 (2002.31) ( 12387 MJD, MON. 22APR.) Greenwich sidereal time: 7: 2:19.37 (17: 0: 0 UT) Sun's RA and DEC: 2h .8m 12d 18.2 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Ts Wf Wz CTA26 02112-170000| 92 31 92 30| 0059+581 02112-170000| 30 30 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Ts Wf Wz 1219+044 02113-164236| 140 140 57 87| 2234+282 02113-164513| 30 30 30 | 0919-260 02113-164607| 30 30| =========================================================== SKED Summary from file ./r1016.skd for experiment R1016 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 6.7 Min = .0 Max = 30.9 (Baseline Gc-Ts on 2128-123) RMS = 7.5 Total time: 1426 minutes ( 23.8 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Ts Wf Wz Avg % obs. time: 28 12 28 25 29 32 26 % cal. time: 5 1 5 5 4 5 4 % slew time: 34 34 31 21 19 18 26 % idle time: 31 51 34 47 47 42 42 # of tapes : 1.7 .7 1.6 1.5 1.6 1.9 total # scans: 483 160 431 429 372 509 397 # scans/hour : 20 6 18 18 15 21 16.6 Avg scan (sec): 50 65 57 51 67 55 57 tape change times (hhmm): 0705 0000 0740 1003 0749 0554 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Ts Wf Wz StnTotal -------------------------------------- Gc|483 5 180 353 285 271 1094 Hh| 160 135 53 37 123 353 Ma| 431 180 214 412 1121 Ts| 429 169 237 992 Wf| 372 264 969 Wz| 509 1307 Number of 2-station scans: 261 Number of 3-station scans: 239 Number of 4-station scans: 175 Number of 5-station scans: 89 Number of 6-station scans: 0 Total # of scans, observations: 764 2918 =========================================================== 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 TSUKUB32 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) Hh HARTRAO 17400feet (Thin ) 56250. (High) Ma MATERA 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 0) S-band (margin 0) Gc Hh Ma Ts Wf Gc Hh Ma Ts Wf Hh 20 Hh 15 Ma 20 20 Ma 15 15 Ts 20 20 20 Ts 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