Session Notes for session: r4070 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4070 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-128-18:30:00 Nominal end: 2003-129-18:45:00 Current yyyyddd: 2003128 (2003.35) ( 12768 MJD, THUR 8MAY.) Greenwich sidereal time: 9:34:41.75 (18:30: 0 UT) Sun's RA and DEC: 3h 1.2m 17d 7.5 ========================================================== The following sources were included for research purposes: 2358+189, 0759+183, 1119+183 =========================================================== First observations Observation listing from file ./r4070.skd for experiment R4070 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz 3C446 03128-183000| 98 98 | 0727-115 03128-183000| 98 98 109 109| 1606+106 03128-183000| 98 98| 0104-408 03128-183412| 453 453 | 0955+476 03128-183505| 98 98 98 98 98| End of listing. =========================================================== Last observations Observation listing from file ./r4070.skd for experiment R4070 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz 1749+096 03129-182655| 98 98 98 | End of listing. Observation listing from file ./r4070.skd for experiment R4070 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz 0537-441 03129-180852| 98 98 | CTA26 03129-181243| 98 371 110 211 371 | 3C274 03129-181344| 98 98| 3C446 03129-181725| 98 98 | 0552+398 03129-182136| 98 105 162 164 164 106| 1749+096 03129-182655| 98 98 98 | End of listing. =========================================================== SKED Summary from file ./r4070.skd for experiment R4070 (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 = 43.6 (Baseline Ny-Wz on CTA26 ) RMS = 4.7 Total time: 1438 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Gc=GILCREEK Kk=KOKEE Ny=NYALES20 Tc=TIGO Wz=WETTZELL Ap Ft Gc Kk Ny Tc Wz Avg % obs. time: 25 25 37 44 40 23 36 33 % cal. time: 2 1 2 2 2 0 2 2 % slew time: 49 24 19 14 15 3 8 19 % idle time: 23 47 40 38 41 71 52 45 # of tapes : .8 3.3 1.2 1.4 1.3 .8 1.2 total # scans: 194 134 245 216 228 81 213 187 # scans/hour : 8 5 10 9 9 3 8 7.8 Avg scan (sec): 111 166 132 178 153 255 146 163 tape change times (hhmm): 0000 0052 1428 1101 1324 0000 1542 0000 0731 0000 0000 0000 0000 0000 0000 1633 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk Ny Tc Wz StnTotal ------------------------------------------ Ap|194 84 140 112 115 41 100 592 Ft| 134 46 30 62 51 97 370 Gc| 245 181 162 18 109 656 Kk| 216 107 46 61 537 Ny| 228 4 175 625 Tc| 81 22 182 Wz| 213 564 Number of 2-station scans: 150 Number of 3-station scans: 95 Number of 4-station scans: 83 Number of 5-station scans: 62 Number of 6-station scans: 14 Number of 7-station scans: 0 Total # of scans, observations: 404 1763 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK GILCREEK KOKEE 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 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 Ap ALGOPARK 17400feet (Thin ) 56250. (High) Ft FORTLEZA 8700feet (Thick) 33333. (Low ) Gc GILCREEK 17400feet (Thin ) 56250. (High) Kk KOKEE 17400feet (Thin ) 56250. (High) Ny NYALES20 17400feet (Thin ) 56250. (High) Tc TIGOCONC 17400feet (Thin ) 56250. (High) 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 Gc Kk Ny Tc Ap Ft Gc Kk Ny Tc 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 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