Session Notes for R1 (Rapid Turnaround Monday) session: r1076 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 R1076 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2003-174-17:00:00 Nominal end: 2003-175-17:00:00 Current yyyyddd: 2003174 (2003.48) ( 12814 MJD, MON. 23JUN.) Greenwich sidereal time: 11: 5:48.51 (17: 0: 0 UT) Sun's RA and DEC: 6h 8.0m 23d 25.6 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Ts Wf Wz 0727-115 03174-170000| 41 95 51 95| 1053+815 03174-170000| 190 190 156 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Ts Wf Wz 0727-115 03175-164240| 43 72 89 51 89| 0202+149 03175-164435| 40 40 40 | 0003-066 03175-164639| 40 40 | 2318+049 03175-164802| 40 40 | 0119+115 03175-164954| 40 40 40 | =========================================================== SKED Summary from file ./r1076.skd for experiment R1076 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 4.7 Min = .0 Max = 29.0 (Baseline Tc-Wf on 0955+476) RMS = 5.9 Total time: 1430 minutes ( 23.8 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Tc=TIGO Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Tc Ts Wf Wz Avg % obs. time: 32 14 33 18 27 40 31 28 % cal. time: 5 2 4 1 5 4 5 4 % slew time: 30 37 34 3 20 19 15 23 % idle time: 31 46 27 76 46 35 48 44 # of tapes : 1.9 .8 1.9 1.0 1.6 2.2 1.8 total # scans: 491 174 418 106 456 422 435 357 # scans/hour : 20 7 17 4 19 17 18 14.9 Avg scan (sec): 56 69 68 146 51 81 62 76 tape change times (hhmm): 0537 0000 0546 0000 0810 0310 0629 0000 0000 0000 0000 0000 1449 0000 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Tc Ts Wf Wz StnTotal ------------------------------------------ Gc|491 9 227 35 375 321 262 1229 Hh| 174 141 33 52 55 122 412 Ma| 418 39 219 251 392 1269 Tc| 106 14 87 41 249 Ts| 456 206 243 1109 Wf| 422 285 1205 Wz| 435 1345 Number of 2-station scans: 257 Number of 3-station scans: 167 Number of 4-station scans: 166 Number of 5-station scans: 161 Number of 6-station scans: 3 Number of 7-station scans: 0 Total # of scans, observations: 754 3409 =========================================================== 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 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 Gc GILCREEK 17400feet (Thin ) 56700. (High) Hh HARTRAO 17400feet (Thin ) 56250. (High) Ma MATERA 17400feet (Thin ) 56250. (High) Tc TIGOCONC 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 5) S-band (margin 5) Gc Hh Ma Tc Ts Wf Gc Hh Ma Tc Ts Wf Hh 20 Hh 15 Ma 20 20 Ma 15 15 Tc 20 20 20 Tc 15 15 15 Ts 20 20 20 20 Ts 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