Session Notes for R1 (Rapid Turnaround Monday) session: r1124 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2004.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1124 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2004-145-17:00:00 Nominal end: 2004-146-17:00:00 Current yyyyddd: 2004145 (2004.40) ( 13150 MJD, MON. 24MAY.) Greenwich sidereal time: 9:10:31.00 (17: 0: 0 UT) Sun's RA and DEC: 4h 7.4m 20d 55.1 =========================================================== There are no observations for Wettzell from 18:00 U.T. to 20:00 U.T. Wettzell will participate in the intensive session during this two hour period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Ny Tc Ts Wf Wz 0133+476 04145-170000| 40 40 40 40 40| 0955+476 04145-170303| 40 40 40 40 40| 3C274 04145-170435| 164 164 | 0607-157 04145-170534| 64 52 64| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ny Tc Ts Wf Wz 0823+033 04146-164620| 45 45 40| 0215+015 04146-164812| 80 80 | 1351-018 04146-164932| 40 40| 0106+013 04146-165015| 40 40 | 0607-157 04146-165159| 61 52 61| 1749+096 04146-165325| 40 40 | =========================================================== SKED Summary from file ./r1124.skd for experiment R1124 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 9.9 Min = .0 Max = 102.9 (Baseline Ts-Wz on 1958-179) RMS = 11.6 Total time: 1434 minutes ( 23.9 hours). Key: Gc=GILCREEK Ny=NYALES20 Tc=TIGO Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Ny Tc Ts Wf Wz Avg % obs. time: 36 39 34 30 48 36 37 % cal. time: 5 5 2 5 5 4 4 % slew time: 33 26 7 23 22 15 21 % idle time: 24 28 55 40 24 42 35 total # scans: 501 492 220 486 450 417 427 # scans/hour : 20 20 9 20 18 17 17.8 Avg scan (sec): 62 69 134 53 92 75 80 Total GBytes: 1306 1400 1145 1118 1656 1286 1319 Total GB(M5): 1161 1244 1018 993 1472 1143 1172 # of tapes : 2.4 2.2 1.9 1.8 2.6 2.1 tape change times (hhmm): 0307 0401 0551 0726 0231 0546 1305 1429 0000 0000 1134 1636 Total number of tapes: 13.0 Total GBytes (M5) recorded: 7034.1 # OF OBSERVATIONS BY BASELINE | Gc Ny Tc Ts Wf Wz StnTotal -------------------------------------- Gc|501 276 49 345 258 147 1075 Ny| 492 26 273 233 315 1123 Tc| 220 35 148 62 320 Ts| 486 118 174 945 Wf| 450 191 948 Wz| 417 889 Number of 2-station scans: 474 Number of 3-station scans: 253 Number of 4-station scans: 152 Number of 5-station scans: 49 Number of 6-station scans: 1 Total # of scans, observations: 929 2650 =========================================================== 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: 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 Recording mode setup for: TSUKUB32 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 Speed ID Station Tape length Speed Gc GILCREEK 17400feet (Thin ) 56700. (High) 12 Ny NYALES20 17400feet (Thin ) 56250. (High) 14 Tc TIGOCONC 17400feet (Thin ) 56250. (High) 14 Ts TSUKUB32 17400feet (Thin ) 56250. (High) 14 Wf WESTFORD 17400feet (Thin ) 56250. (High) 14 Wz WETTZELL 17400feet (Thin ) 56250. (High) 14 =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 3) Gc Ny Tc Ts Wf Gc Ny Tc Ts Wf Ny 20 Ny 15 Tc 15 15 Tc 12 12 Ts 20 20 15 Ts 15 15 12 Wf 20 20 15 20 Wf 15 15 12 15 Wz 20 20 15 20 20 Wz 15 15 12 15 15