Session Notes for R1 (Rapid Turnaround Monday) session: r1120 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 R1120 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2004-117-17:00:00 Nominal end: 2004-118-17:00:00 Current yyyyddd: 2004117 (2004.32) ( 13122 MJD, MON. 26APR.) Greenwich sidereal time: 7:20: 7.56 (17: 0: 0 UT) Sun's RA and DEC: 2h 17.8m 13d 46.9 =========================================================== 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 CTA26 04117-171411| 136 136 | 1614+051 04117-171509| 40 40 | 0955+476 04117-171812| 40 40 40 40 40| 0912+297 04117-171936| 110 110 101| 0602+673 04117-172238| 69 60 53 69 62| 1300+580 04117-172520| 58 67 40 76 76| 1417+385 04117-172719| 91 75 52 91| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ny Tc Ts Wf Wz 0727-115 04118-163411| 77 77| 0912+297 04118-163751| 119 40 119 110| 1614+051 04118-163947| 40 40 | 0602+673 04118-164229| 67 59 44 64 67| 1951+355 04118-164504| 80 110 40 110 | 0007+171 04118-164754| 74 107 107 | 0003-066 04118-165024| 40 40 | 0133+476 04118-165216| 40 40 40 40| M104 04118-165413| 40 40| 0749+540 04118-165608| 89 108 111 111 85| =========================================================== SKED Summary from file ./r1120.skd for experiment R1120 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 5.0 Min = .0 Max = 37.6 (Baseline Gc-Ts on M104 ) RMS = 7.8 Total time: 1437 minutes ( 24.0 hours). Key: Gc=GILCREEK Ny=NYALES20 Tc=TIGO Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Ny Tc Ts Wf Wz Avg % obs. time: 29 32 21 21 39 31 29 % cal. time: 4 4 1 3 4 3 3 % slew time: 26 22 5 16 19 13 17 % idle time: 40 40 71 58 35 50 49 total # scans: 374 368 143 332 390 341 324 # scans/hour : 15 15 5 13 16 14 13.5 Avg scan (sec): 66 75 130 54 88 80 82 Total GBytes: 1035 1133 723 774 1381 1109 1025 # of tapes : 1.9 1.8 1.2 1.2 2.2 1.8 tape change times (hhmm): 0543 0518 1211 1313 0343 0619 0000 0000 0000 0000 1443 0000 # OF OBSERVATIONS BY BASELINE | Gc Ny Tc Ts Wf Wz StnTotal -------------------------------------- Gc|374 307 32 277 281 235 1132 Ny| 368 20 264 272 284 1147 Tc| 143 30 103 48 233 Ts| 332 194 207 972 Wf| 390 250 1100 Wz| 341 1024 Number of 2-station scans: 177 Number of 3-station scans: 90 Number of 4-station scans: 147 Number of 5-station scans: 146 Number of 6-station scans: 1 Total # of scans, observations: 561 2804 =========================================================== 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 Density Passes 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