Session Notes for R1 (Rapid Turnaround Monday) session: r1032 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 R1032 Experiment description: IVS-R1 Scheduler: NASA Correlator: WACO Nominal start: 2002-224-17:00:00 Nominal end: 2002-225-17:00:00 Current yyyyddd: 2002224 (2002.61) ( 12499 MJD, MON. 12AUG.) Greenwich sidereal time: 14:23:53.57 (17: 0: 0 UT) Sun's RA and DEC: 9h 28.9m 14d 52.4 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Ma Ny Tc Wf Wz 1156+295 02224-170000| 170 170 170 170 154 170| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ma Ny Tc Wf Wz CTA26 02225-161147| 111 170 170 | 1803+784 02225-161601| 40 40 40 40 40| 0014+813 02225-161737| 94 170 112 170 96| 1357+769 02225-162121| 40 40 40 40 40| 1044+719 02225-162253| 131 40 98 131| 0602+673 02225-162548| 59 170 90 170 87| 0642+449 02225-162933| 40 40 40 40 40| 0528+134 02225-163111| 40 40 40 | 0743+259 02225-163243| 122 138 140 140| 0808+019 02225-163546| 40 40 | 1741-038 02225-163621| 40 40| 1726+455 02225-163833| 40 40 40 40 40| 0235+164 02225-164122| 40 40 | 0552+398 02225-164317| 40 40 40 40| 0805+410 02225-164442| 133 170 166 170 170| =========================================================== SKED Summary from file ./r1032.skd for experiment R1032 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 6.0 Min = .0 Max = 32.5 (Baseline Ny-Wz on CTA26 ) RMS = 6.4 Total time: 1427 minutes ( 23.8 hours). Key: Gc=GILCREEK Ma=MATERA Ny=NYALES20 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Ma Ny Tc Wf Wz Avg % obs. time: 34 33 35 11 39 34 31 % cal. time: 5 5 5 0 5 5 4 % slew time: 27 34 26 2 19 15 21 % idle time: 32 27 32 85 35 44 42 # of tapes : 1.9 1.9 2.3 .6 2.2 1.9 total # scans: 459 429 502 76 445 489 400 # scans/hour : 19 18 21 3 18 20 16.7 Avg scan (sec): 63 67 60 128 76 60 75 tape change times (hhmm): 0532 0559 0255 0000 0348 0457 0000 0000 1326 0000 1511 0000 # OF OBSERVATIONS BY BASELINE | Gc Ma Ny Tc Wf Wz StnTotal -------------------------------------- Gc|459 241 401 32 352 296 1322 Ma| 429 333 36 266 425 1301 Ny| 502 22 336 395 1487 Tc| 76 68 37 195 Wf| 445 312 1334 Wz| 489 1465 Number of 2-station scans: 189 Number of 3-station scans: 151 Number of 4-station scans: 135 Number of 5-station scans: 189 Number of 6-station scans: 14 Total # of scans, observations: 678 3552 =========================================================== 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 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) 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