Session Notes for session: r4085 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4085 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-233-18:30:00 Nominal end: 2003-234-18:45:00 Current yyyyddd: 2003233 (2003.64) ( 12873 MJD, THUR 21AUG.) Greenwich sidereal time: 16:28:40.06 (18:30: 0 UT) Sun's RA and DEC: 10h 1.8m 12d 4.0 ========================================================== The following sources were included for research purposes: Same sources a r4083 Also note using new flux.cat =========================================================== First observations Observation listing from file ./r4085.skd for experiment R4085 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 0955+476 03233-183000| 98 176 158 174 176 98 164| 2136+141 03233-183519| 98 98 98 98| 0229+131 03233-183802| 98 98 | 1741-038 03233-183833| 98 98 98| 1611+343 03233-184158| 98 148 148 138 98 127| End of listing. =========================================================== Last observations Observation listing from file ./r4085.skd for experiment R4085 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 1923+210 03234-182800| 98 98 98| End of listing. Observation listing from file ./r4085.skd for experiment R4085 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 1749+096 03234-180709| 477 279 477 270| 0748+126 03234-180753| 98 98 | 0727-115 03234-181430| 98 98 | 1334-127 03234-182022| 98 98 98 98| 1741-038 03234-182503| 98 98 98 98| 1923+210 03234-182800| 98 98 98| End of listing. =========================================================== SKED Summary from file ./r4085.skd for experiment R4085 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 2.7 Min = .0 Max = 43.6 (Baseline Ny-Wz on CTA26 ) RMS = 4.3 Total time: 1439 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Kk=KOKEE Ma=MATERA Ny=NYALES20 Sv=SVETLOE Wz=WETTZELL Ap Ft Kk Ma Ny Sv Wz Avg % obs. time: 26 36 37 49 49 18 42 37 % cal. time: 2 1 1 2 2 1 2 1 % slew time: 53 19 8 17 12 23 8 20 % idle time: 18 43 52 30 35 55 47 40 # of tapes : .4 2.2 .6 .8 .8 1.0 .7 total # scans: 174 106 148 187 196 137 202 164 # scans/hour : 7 4 6 7 8 5 8 6.8 Avg scan (sec): 131 294 219 229 218 119 179 198 tape change times (hhmm): 0000 0553 0000 0000 0000 1745 0000 0000 1645 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Ma Ny Sv Wz StnTotal ------------------------------------------ Ap|174 67 109 73 102 70 92 513 Ft| 106 31 77 52 42 77 346 Kk| 148 35 94 52 54 375 Ma| 187 133 115 179 612 Ny| 196 124 152 657 Sv| 137 127 530 Wz| 202 681 Number of 2-station scans: 90 Number of 3-station scans: 66 Number of 4-station scans: 71 Number of 5-station scans: 42 Number of 6-station scans: 37 Number of 7-station scans: 8 Total # of scans, observations: 314 1857 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK KOKEE MATERA NYALES20 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 SVETLOE 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 Ap ALGOPARK 17400feet (Thin ) 56250. (High) Ft FORTLEZA 8700feet (Thick) 33333. (Low ) Kk KOKEE 17400feet (Thin ) 56250. (High) Ma MATERA 17400feet (Thin ) 56250. (High) Ny NYALES20 17400feet (Thin ) 56250. (High) Sv SVETLOE 8700feet (Thick) 33333. (Low ) Wz WETTZELL 17400feet (Thin ) 56250. (High) =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 3) Ap Ft Kk Ma Ny Sv Ap Ft Kk Ma Ny Sv Ft 20 Ft 15 Kk 20 20 Kk 15 15 Ma 20 20 20 Ma 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