Session Notes for session: r4162 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4162 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2005-055-18:30:00 Nominal end: 2005-056-18:45:00 Current yyyyddd: 2005055 (2005.15) ( 13426 MJD, THUR 24FEB.) Greenwich sidereal time: 4:48:55.18 (18:30: 0 UT) Sun's RA and DEC: 22h 32.1m -9d 13.1 ========================================================== The following sources were included for research purposes: =========================================================== First observations Observation listing from file ./r4162.skd for experiment R4162 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ny Sv Tc Wz 0743+259 05055-183000| 98 98 | 0059+581 05055-183000| 98 149 | OQ208 05055-183422| 98 98 | 0537-441 05055-183638| 186 186 | 2201+315 05055-183822| 98 98 | End of listing. =========================================================== Last observations Observation listing from file ./r4162.skd for experiment R4162 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ny Sv Tc Wz 1726+455 05056-182710| 98 98 98 98 | End of listing. Observation listing from file ./r4162.skd for experiment R4162 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ny Sv Tc Wz 2149+056 05056-180626| 98 98 | 2201+315 05056-181355| 98 98 | 0727-115 05056-181901| 98 98 98| 3C274 05056-182309| 98 98 | 0454-234 05056-182316| 217 294 294| 1726+455 05056-182710| 98 98 98 98 | End of listing. =========================================================== SKED Summary from file ./r4162.skd for experiment R4162 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 2.6 Min = .0 Max = 36.0 (Baseline Ny-Sv on 0458-020) RMS = 4.1 Total time: 1438 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Kk=KOKEE Ny=NYALES20 Sv=SVETLOE Tc=TIGO Wz=WETTZELL Ap Ft Kk Ny Sv Tc Wz Avg % obs. time: 25 24 35 36 29 20 36 29 % cal. time: 2 1 1 2 2 0 2 1 % slew time: 56 23 9 13 35 3 8 21 % idle time: 15 50 53 48 31 74 52 46 total # scans: 183 126 156 208 217 82 204 168 # scans/hour : 7 5 6 8 9 3 8 7.0 Avg scan (sec): 120 170 198 150 119 219 153 161 Total GBytes: 376 358 513 524 440 295 526 433 # of tapes : .8 3.1 1.2 1.2 1.0 .7 1.2 tape change times (hhmm): 0000 0209 1522 1601 0000 0000 1546 0000 0952 0000 0000 0000 0000 0000 0000 1752 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Ny Sv Tc Wz StnTotal ------------------------------------------ Ap|183 66 93 112 106 33 95 505 Ft| 126 27 45 59 58 76 331 Kk| 156 94 74 38 63 389 Ny| 208 181 3 158 593 Sv| 217 7 181 608 Tc| 82 20 159 Wz| 204 593 Number of 2-station scans: 105 Number of 3-station scans: 112 Number of 4-station scans: 68 Number of 5-station scans: 62 Number of 6-station scans: 8 Number of 7-station scans: 0 Total # of scans, observations: 355 1589 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK KOKEE NYALES20 SVETLOE TIGOCONC 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 Kk KOKEE 17400feet (Thin ) 56250. (High) 12 Ny NYALES20 17400feet (Thin ) 56250. (High) 12 Sv SVETLOE 17400feet (Thin ) 56250. (High) 12 Tc TIGOCONC 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 Kk Ny Sv Tc Ap Ft Kk Ny Sv Tc Ft 20 Ft 15 Kk 20 20 Kk 15 15 Ny 20 20 20 Ny 15 15 15 Sv 20 20 20 20 Sv 15 15 15 15 Tc 15 15 15 15 15 Tc 12 12 12 12 12 Wz 20 20 20 20 20 15 Wz 15 15 15 15 15 12