Session Notes for R1 (Rapid Turnaround Monday) session: r1086 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 R1086 Experiment description: IVS-R1 Scheduler: NASA Correlator: HAYSTACK Nominal start: 2003-245-17:00:00 Nominal end: 2003-246-17:00:00 Current yyyyddd: 2003245 (2003.67) ( 12885 MJD, TUES 2SEP.) Greenwich sidereal time: 15:45:43.94 (17: 0: 0 UT) Sun's RA and DEC: 10h 45.5m 7d 53.2 =========================================================== 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 Hh Ma Tc Ts Wf Wz 1334-127 03245-170000| 183 190 190 190| 2209+236 03245-170000| 174 174 71 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Ts Wf Wz 0727-115 03246-164322| 48 48 | 0642+449 03246-164501| 40 40 43 43| 4C39.25 03246-164632| 40 40 40 40| 1144-379 03246-164817| 190 190 | =========================================================== SKED Summary from file ./r1086.skd for experiment R1086 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 4.8 Min = .0 Max = 29.0 (Baseline Tc-Wf on 0955+476) RMS = 5.7 Total time: 1431 minutes ( 23.9 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: 33 15 35 21 27 39 30 29 % cal. time: 5 2 4 1 5 4 4 4 % slew time: 29 38 34 4 21 19 13 23 % idle time: 31 43 24 71 46 36 50 43 # of tapes : 1.9 .9 2.0 1.2 1.6 2.1 1.7 total # scans: 479 180 415 135 447 413 403 353 # scans/hour : 20 7 17 5 18 17 16 14.7 Avg scan (sec): 59 76 73 137 52 81 65 77 tape change times (hhmm): 0603 0000 0508 1235 0811 0352 0745 0000 0000 0000 0000 0000 1533 0000 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Tc Ts Wf Wz StnTotal ------------------------------------------ Gc|479 15 221 46 356 310 238 1186 Hh| 180 146 46 52 60 121 440 Ma| 415 54 217 246 361 1245 Tc| 135 20 106 50 322 Ts| 447 191 222 1058 Wf| 413 254 1167 Wz| 403 1246 Number of 2-station scans: 253 Number of 3-station scans: 171 Number of 4-station scans: 176 Number of 5-station scans: 145 Number of 6-station scans: 4 Number of 7-station scans: 0 Total # of scans, observations: 749 3332 =========================================================== 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 3) Gc Hh Ma Tc Ts Wf Gc Hh Ma Tc Ts Wf Hh 20 Hh 15 Ma 20 20 Ma 15 15 Tc 15 15 15 Tc 12 12 12 Ts 20 20 20 15 Ts 15 15 15 12 Wf 20 20 20 15 20 Wf 15 15 15 12 15 Wz 20 20 20 15 20 20 Wz 15 15 15 12 15 15