Session Notes for R1 (Rapid Turnaround Monday) session: r1053 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2003.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1053 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2003-013-17:00:00 Nominal end: 2003-014-17:00:00 Current yyyyddd: 2003013 (2003.04) ( 12653 MJD, MON. 13JAN.) Greenwich sidereal time: 0:31: 3.10 (17: 0: 0 UT) Sun's RA and DEC: 19h 39.7m -21d 27.7 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 2136+141 03013-170000| 190 190 190 190| 0955+476 03013-170000| 40 40 40 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 1156+295 03014-163504| 40 88 88 | 0106+013 03014-163728| 40 40 40| 1749+096 03014-163743| 190 190 146 | 1741-038 03014-164136| 40 40 | 2136+141 03014-164339| 40 40 40 40 40| 2318+049 03014-164629| 190 130 190 78| =========================================================== SKED Summary from file ./r1053.skd for experiment R1053 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 4.2 Min = .0 Max = 28.2 (Baseline Tc-Wf on 0955+476) RMS = 5.1 Total time: 1429 minutes ( 23.8 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Sh=SESHAN25 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Sh Tc Wf Wz Avg % obs. time: 31 17 34 21 23 42 34 29 % cal. time: 4 2 4 2 1 4 4 3 % slew time: 27 37 32 44 5 19 14 25 % idle time: 35 42 28 31 70 33 45 41 # of tapes : 1.8 1.0 1.9 1.2 1.3 2.4 1.9 total # scans: 400 189 378 237 132 400 409 306 # scans/hour : 16 7 15 9 5 16 17 12.8 Avg scan (sec): 68 80 78 76 150 92 73 88 tape change times (hhmm): 0639 0000 0551 1317 1139 0321 0608 0000 0000 0000 0000 0000 1336 0000 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Sh Tc Wf Wz StnTotal ------------------------------------------ Gc|400 11 188 190 43 294 236 962 Hh| 189 154 51 54 60 135 465 Ma| 378 121 51 222 357 1093 Sh| 237 1 93 136 592 Tc| 132 106 51 306 Wf| 400 263 1038 Wz| 409 1178 Number of 2-station scans: 233 Number of 3-station scans: 144 Number of 4-station scans: 177 Number of 5-station scans: 103 Number of 6-station scans: 4 Number of 7-station scans: 0 Total # of scans, observations: 661 2817 =========================================================== 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 SESHAN25 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) Sh SESHAN25 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 Sh Tc Wf Gc Hh Ma Sh Tc Wf Hh 20 Hh 15 Ma 20 20 Ma 15 15 Sh 20 20 20 Sh 15 15 15 Tc 20 20 20 20 Tc 15 15 15 15 Wf 20 20 20 20 20 Wf 15 15 15 15 15 Wz 20 20 20 20 20 20 Wz 15 15 15 15 15 15