Session Notes for R1 (Rapid Turnaround Monday) session: r1074 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 R1074 Experiment description: IVS-R1 Scheduler: NASA Correlator: WACO Nominal start: 2003-160-17:00:00 Nominal end: 2003-161-17:00:00 Current yyyyddd: 2003160 (2003.44) ( 12800 MJD, MON. 9JUN.) Greenwich sidereal time: 10:10:36.74 (17: 0: 0 UT) Sun's RA and DEC: 5h 9.8m 22d 56.2 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Ts Wf Wz 0727-115 03160-170000| 40 42 42 40| 1053+815 03160-170000| 190 190 157 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Ts Wf Wz 2255-282 03161-162911| 190 190 | 4C39.25 03161-162938| 40 40 40 40| 0749+540 03161-163156| 53 110 110 55| 0014+813 03161-163358| 40 40 | 0823+033 03161-163609| 55 55 53| 1923+210 03161-163701| 40 40 | 0656+082 03161-163747| 176 176| 2136+141 03161-163900| 40 40 | 3C274 03161-164142| 40 40| 1156+295 03161-164315| 75 40 75 40| 1739+522 03161-164537| 40 40 40 40 40| =========================================================== SKED Summary from file ./r1074.skd for experiment R1074 (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 = 26.2 (Baseline Gc-Ts on 1334-127) RMS = 5.8 Total time: 1426 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: 31 15 33 18 26 40 32 28 % cal. time: 5 2 4 1 5 4 5 4 % slew time: 29 39 34 4 20 20 15 23 % idle time: 33 43 26 75 47 34 46 43 # of tapes : 1.9 .9 1.9 1.0 1.6 2.2 1.9 total # scans: 484 185 419 108 451 422 449 359 # scans/hour : 20 7 17 4 18 17 18 15.0 Avg scan (sec): 56 70 69 148 49 81 62 76 tape change times (hhmm): 0637 0000 0520 0000 0843 0336 0529 0000 0000 0000 0000 0000 1450 0000 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Tc Ts Wf Wz StnTotal ------------------------------------------ Gc|484 11 221 33 367 320 267 1219 Hh| 185 151 37 53 57 134 443 Ma| 419 40 218 250 398 1278 Tc| 108 16 85 40 251 Ts| 451 206 248 1108 Wf| 422 289 1207 Wz| 449 1376 Number of 2-station scans: 242 Number of 3-station scans: 181 Number of 4-station scans: 166 Number of 5-station scans: 163 Number of 6-station scans: 2 Number of 7-station scans: 0 Total # of scans, observations: 754 3441 =========================================================== 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