Session Notes for session: r4136 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4130 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2004-239-18:30:00 Nominal end: 2004-240-18:45:00 Current yyyyddd: 2004239 (2004.65) ( 13244 MJD, THUR 26AUG.) Greenwich sidereal time: 16:51:22.10 (18:30: 0 UT) Sun's RA and DEC: 10h 23.0m 10d 5.9 ========================================================== The following sources were included for research purposes: =========================================================== First observations Observation listing from file ./r4136.skd for experiment R4130 Source Start DURATIONS name yyddd-hhmmss Ap Ft Mc Ny Sv Tc Wz 1121+238 04239-183000| 98 98 | 1749+096 04239-183000| 143 143 | 2201+315 04239-183523| 98 98 98 | 1622-253 04239-184225| 244 98 244 | 3C274 04239-184556| 122 122 98 | End of listing. =========================================================== Last observations Observation listing from file ./r4136.skd for experiment R4130 Source Start DURATIONS name yyddd-hhmmss Ap Ft Mc Ny Sv Tc Wz 1334-127 04240-182629| 98 240 120 346 346| End of listing. Observation listing from file ./r4136.skd for experiment R4130 Source Start DURATIONS name yyddd-hhmmss Ap Ft Mc Ny Sv Tc Wz 0133+476 04240-181052| 98 98 98 98| 1255-316 04240-181251| 98 98 | 3C446 04240-181453| 98 98 98| 1739+522 04240-181940| 98 98 98 98 98 98| 0552+398 04240-182434| 98 98 | 1334-127 04240-182629| 98 240 120 346 346| End of listing. =========================================================== SKED Summary from file ./r4136.skd for experiment R4130 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 3.1 Min = .0 Max = 32.5 (Baseline Ny-Sv on CTA26 ) RMS = 5.2 Total time: 1438 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Mc=MEDICINA Ny=NYALES20 Sv=SVETLOE Tc=TIGO Wz=WETTZELL Ap Ft Mc Ny Sv Tc Wz Avg % obs. time: 23 22 31 37 30 15 37 28 % cal. time: 2 1 3 2 2 0 2 2 % slew time: 58 22 33 15 37 2 9 25 % idle time: 15 53 31 44 28 80 50 43 total # scans: 192 126 259 250 248 72 253 200 # scans/hour : 8 5 10 10 10 3 10 8.3 Avg scan (sec): 107 156 104 128 105 191 128 131 Total GBytes: 355 330 466 543 452 228 552 418 # of tapes : .8 3.0 1.0 1.2 3.7 .5 1.2 tape change times (hhmm): 0000 0215 0000 1437 0034 0000 1447 0000 1013 0000 0000 0706 0000 0000 0000 0000 0000 0000 1403 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Mc Ny Sv Tc Wz StnTotal ------------------------------------------ Ap|192 72 111 137 106 46 111 583 Ft| 126 82 48 60 58 74 394 Mc| 259 198 222 24 242 879 Ny| 250 215 6 198 802 Sv| 248 10 221 834 Tc| 72 22 166 Wz| 253 868 Number of 2-station scans: 88 Number of 3-station scans: 53 Number of 4-station scans: 110 Number of 5-station scans: 84 Number of 6-station scans: 33 Number of 7-station scans: 1 Total # of scans, observations: 369 2263 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK MEDICINA NYALES20 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 SVETLOE 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 Mc MEDICINA 17400feet (Thin ) 56250. (High) 12 Ny NYALES20 17400feet (Thin ) 56250. (High) 12 Sv SVETLOE 8700feet (Thick) 33333. (Low ) 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 Mc Ny Sv Tc Ap Ft Mc Ny Sv Tc Ft 20 Ft 15 Mc 20 20 Mc 15 15 Ny 20 20 20 Ny 15 15 15 Sv 20 20 20 20 Sv 15 15 13 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