Session Notes for session: r4094 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4094 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-296-18:30:00 Nominal end: 2003-297-18:45:00 Current yyyyddd: 2003296 (2003.81) ( 12936 MJD, THUR 23OCT.) Greenwich sidereal time: 20:37: 3.05 (18:30: 0 UT) Sun's RA and DEC: 13h 51.4m -11d 27.0 ========================================================== The following sources were included for research purposes: removed 0003-066 and 2126-158 added 0111+021 and 2145+067 =========================================================== First observations Observation listing from file ./r4094.skd for experiment R4094 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz 1611+343 03296-183000| 98 98 98 98 98| 3C446 03296-183509| 98 98| 1156+295 03296-183804| 98 98 98 98 | 0133+476 03296-184130| 98 98 98| 0552+398 03296-184416| 98 104 98 104| End of listing. =========================================================== Last observations Observation listing from file ./r4094.skd for experiment R4094 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz 0059+581 03297-182710| 98 98 98 98| End of listing. Observation listing from file ./r4094.skd for experiment R4094 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz 1726+455 03297-180021| 319 306 298 319| 3C274 03297-180750| 98 202 321 321 | 3C446 03297-180914| 98 98| 0955+476 03297-181534| 98 98 98 98 98| 0014+813 03297-182022| 98 98 228 228 | 0059+581 03297-182710| 98 98 98 98| End of listing. =========================================================== SKED Summary from file ./r4094.skd for experiment R4094 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 2.5 Min = .0 Max = 70.2 (Baseline Ny-Wz on 1741-038) RMS = 4.9 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: 24 21 39 39 37 16 36 30 % cal. time: 2 1 2 2 2 0 2 2 % slew time: 57 20 19 12 15 2 8 19 % idle time: 16 56 38 45 44 80 52 47 # of tapes : .8 2.7 1.3 1.3 1.3 .6 1.2 total # scans: 184 109 246 199 231 51 212 176 # scans/hour : 7 4 10 8 9 2 8 7.3 Avg scan (sec): 113 167 137 169 141 285 147 165 tape change times (hhmm): 0000 0452 1324 1314 1524 0000 1534 0000 1318 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk Ny Tc Wz StnTotal ------------------------------------------ Ap|184 68 143 106 119 32 101 569 Ft| 109 46 29 58 32 84 317 Gc| 246 181 168 18 121 677 Kk| 199 112 31 70 529 Ny| 231 6 184 647 Tc| 51 14 133 Wz| 212 574 Number of 2-station scans: 124 Number of 3-station scans: 81 Number of 4-station scans: 81 Number of 5-station scans: 69 Number of 6-station scans: 12 Number of 7-station scans: 0 Total # of scans, observations: 367 1723 =========================================================== 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