Session Notes for session: r4151 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4151 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2004-344-18:30:00 Nominal end: 2004-345-18:45:00 Current yyyyddd: 2004344 (2004.94) ( 13349 MJD, THUR 9DEC.) Greenwich sidereal time: 23:45:20.42 (18:30: 0 UT) Sun's RA and DEC: 17h 8.0m -22d 54.0 ========================================================== The following sources were included for research purposes: =========================================================== First observations Observation listing from file ./r4151.skd for experiment R4151 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Sv Wz 1611+343 04344-183000| 98 244 98 244 145| 0552+398 04344-183628| 98 98 98| 3C446 04344-184021| 98 136 136 98| 0133+476 04344-184558| 98 285 236 285 120| 3C418 04344-185227| 487 487 | End of listing. =========================================================== Last observations Observation listing from file ./r4151.skd for experiment R4151 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Sv Wz 0955+476 04345-182419| 98 98 98 98 | End of listing. Observation listing from file ./r4151.skd for experiment R4151 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Sv Wz 0601+245 04345-175941| 282 282 | 1741-038 04345-180624| 98 98 98 | 2243-123 04345-180730| 98 98 98| 1749+096 04345-181107| 98 106 98 106 | 1739+522 04345-181834| 98 184 98 119 184 98 98| 0955+476 04345-182419| 98 98 98 98 | End of listing. =========================================================== SKED Summary from file ./r4151.skd for experiment R4151 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 2.2 Min = .0 Max = 26.2 (Baseline Gc-Kk on 1334-127) RMS = 3.8 Total time: 1436 minutes ( 23.9 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Gc=GILCREEK Kk=KOKEE On=ONSALA60 Sv=SVETLOE Wz=WETTZELL Ap Ft Gc Kk On Sv Wz Avg % obs. time: 27 21 43 35 43 34 19 32 % cal. time: 2 0 2 1 2 2 1 1 % slew time: 55 17 15 9 13 30 5 21 % idle time: 14 59 37 53 40 32 73 44 total # scans: 187 84 212 153 178 192 125 161 # scans/hour : 7 3 8 6 7 8 5 6.7 Avg scan (sec): 125 224 178 198 212 155 137 175 Total GBytes: 200 155 314 250 312 250 144 232 # of tapes : .5 1.4 .7 .6 .7 .5 .3 tape change times (hhmm): 0000 1141 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk On Sv Wz StnTotal ------------------------------------------ Ap|187 60 135 94 87 99 63 538 Ft| 84 38 26 58 40 57 279 Gc| 212 138 93 109 71 584 Kk| 153 49 59 35 401 On| 178 155 123 565 Sv| 192 105 567 Wz| 125 454 Number of 2-station scans: 113 Number of 3-station scans: 95 Number of 4-station scans: 48 Number of 5-station scans: 36 Number of 6-station scans: 32 Number of 7-station scans: 8 Total # of scans, observations: 332 1694 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK GILCREEK KOKEE ONSALA60 SVETLOE WETTZELL Mode Tot.Rate Tot.BandW #chan #bits Barrel C 56.000 Mbits 28.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 2.00 MHz 2 14(*0) 28 80.00 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 56.000 Mbits 28.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 2.00 MHz 2 14(*0) 28 135.00 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 On ONSALA60 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 On Sv Ap Ft Gc Kk On Sv Ft 20 Ft 15 Gc 20 20 Gc 15 15 Kk 20 20 20 Kk 15 15 15 On 20 20 20 20 On 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