Session Notes for session: r4161 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4161 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2005-048-18:30:00 Nominal end: 2005-049-18:45:00 Current yyyyddd: 2005048 (2005.13) ( 13419 MJD, THUR 17FEB.) Greenwich sidereal time: 4:21:19.29 (18:30: 0 UT) Sun's RA and DEC: 22h 5.3m -11d 45.1 ========================================================== The following sources were included for research purposes: =========================================================== First observations Observation listing from file ./r4161.skd for experiment R4161 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Sv Wz 0743+259 05048-183000| 98 98 | 0059+581 05048-183000| 98 149 149 | OQ208 05048-183452| 98 98 98 | 0003-066 05048-183830| 98 98 | 2149+056 05048-184227| 98 98 | End of listing. =========================================================== Last observations Observation listing from file ./r4161.skd for experiment R4161 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Sv Wz 1156+295 05049-182920| 232 295 264 113 295| End of listing. Observation listing from file ./r4161.skd for experiment R4161 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Sv Wz 2149+056 05049-180853| 98 116 116 | 1739+522 05049-181511| 98 98 98 98 98 98| 0743+259 05049-182008| 150 98 150| 0003-066 05049-182312| 98 98 | 1741-038 05049-182519| 98 98 | 1156+295 05049-182920| 232 295 264 113 295| End of listing. =========================================================== SKED Summary from file ./r4161.skd for experiment R4161 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 3.5 Min = .0 Max = 43.6 (Baseline Ny-Sv on 1741-038) RMS = 4.8 Total time: 1443 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Gc=GILCREEK Kk=KOKEE Ny=NYALES20 Sv=SVETLOE Wz=WETTZELL Ap Ft Gc Kk Ny Sv Wz Avg % obs. time: 22 19 32 29 35 28 31 28 % cal. time: 2 1 2 2 2 2 2 2 % slew time: 61 22 18 10 13 36 8 24 % idle time: 14 56 47 57 48 32 57 44 total # scans: 188 119 239 175 222 224 214 197 # scans/hour : 7 4 9 7 9 9 8 8.2 Avg scan (sec): 101 138 116 145 136 109 127 124 Total GBytes: 329 277 475 428 512 421 464 415 # of tapes : .7 2.4 1.0 1.0 1.1 .9 1.0 tape change times (hhmm): 0000 0505 1825 0000 1644 0000 0000 0000 1429 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk Ny Sv Wz StnTotal ------------------------------------------ Ap|188 78 141 100 123 108 102 652 Ft| 119 47 35 54 64 84 362 Gc| 239 156 173 149 125 791 Kk| 175 99 77 70 537 Ny| 222 194 170 813 Sv| 224 190 782 Wz| 214 741 Number of 2-station scans: 87 Number of 3-station scans: 95 Number of 4-station scans: 63 Number of 5-station scans: 47 Number of 6-station scans: 62 Number of 7-station scans: 9 Total # of scans, observations: 363 2339 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK GILCREEK KOKEE NYALES20 SVETLOE WETTZELL Mode Tot.Rate Tot.BandW #chan #bits Barrel C 112.000 Mbits 56.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 4.00 MHz 2 14(*0) 28 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 125.0 MHz rms spanned bw= 50.7 MHz Effective number of channels recorded per sub-pass X S Total 8.000 6.000 14.000 Recording mode setup for: FORTLEZA Mode Tot.Rate Tot.BandW #chan #bits Barrel C 112.000 Mbits 56.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 4.00 MHz 2 14(*0) 28 270.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 125.0 MHz rms spanned bw= 50.7 MHz Effective number of channels recorded per sub-pass X S Total 8.000 6.000 14.000 =========================================================== Tape types ID Station Tape length Density Passes Ap ALGOPARK 17400feet (Thin ) 56250. (High) 12 Ft FORTLEZA 8700feet (Thick) 33333. (Low ) 12 Gc GILCREEK 17400feet (Thin ) 56250. (High) 12 Kk KOKEE 17400feet (Thin ) 56250. (High) 12 Ny NYALES20 17400feet (Thin ) 56250. (High) 12 Sv SVETLOE 17400feet (Thin ) 56250. (High) 12 Wz WETTZELL 17400feet (Thin ) 56250. (High) 12 =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 3) Ap Ft Gc Kk Ny Sv Ap Ft Gc Kk Ny Sv Ft 20 Ft 15 Gc 20 20 Gc 15 15 Kk 20 20 20 Kk 15 15 15 Ny 20 20 20 20 Ny 15 15 15 15 Sv 20 20 20 20 20 Sv 15 15 15 15 15 Wz 20 20 20 20 20 20 Wz 15 15 15 15 15 15