Session Notes for session: r4069 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4069 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-119-18:30:00 Nominal end: 2003-120-18:45:00 Current yyyyddd: 2003119 (2003.33) ( 12759 MJD, TUES 29APR.) Greenwich sidereal time: 8:59:12.75 (18:30: 0 UT) Sun's RA and DEC: 2h 26.6m 14d 30.4 ========================================================== The following sources were included for research purposes: 1754_155, 1928+154, 2258+166 =========================================================== First observations Observation listing from file ./r4069.skd for experiment R4069 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ma Ny Sv Wz 1739+522 03119-183000| 98 98 98 98 98 98| 0003-066 03119-183612| 98 98 98 | 0552+398 03119-184409| 98 98 98 98 98 98| 1749+096 03119-184823| 98 98 | 3C274 03119-184839| 182 182 98| End of listing. =========================================================== Last observations Observation listing from file ./r4069.skd for experiment R4069 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ma Ny Sv Wz 1034-293 03120-182855| 212 212| End of listing. Observation listing from file ./r4069.skd for experiment R4069 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ma Ny Sv Wz 1334-127 03120-181311| 98 98| 1749+096 03120-181359| 98 98 | 0727-115 03120-181637| 98 98 98 98| 3C446 03120-181700| 98 98 | 0748+126 03120-182016| 98 434 434 277 116 221| 1034-293 03120-182855| 212 212| End of listing. =========================================================== SKED Summary from file ./r4069.skd for experiment R4069 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 3.2 Min = .0 Max = 36.0 (Baseline Ny-Sv on 3C446 ) RMS = 4.7 Total time: 1442 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Gc=GILCREEK Kk=KOKEE Ma=MATERA Ny=NYALES20 Sv=SVETLOE Wz=WETTZELL Ap Ft Gc Kk Ma Ny Sv Wz Avg % obs. time: 27 32 42 38 43 42 18 38 35 % cal. time: 2 1 2 2 2 2 1 2 2 % slew time: 48 21 17 10 20 12 23 8 20 % idle time: 21 45 37 48 34 42 56 50 42 # of tapes : .5 2.0 .7 .6 .7 .7 1.0 .6 total # scans: 197 122 221 174 200 193 145 214 183 # scans/hour : 8 5 9 7 8 8 6 8 7.6 Avg scan (sec): 121 228 167 192 187 191 112 153 168 tape change times (hhmm): 0000 0657 0000 0000 0000 0000 1751 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk Ma Ny Sv Wz StnTotal ---------------------------------------------- Ap|197 88 144 112 88 111 78 101 722 Ft| 122 54 43 84 58 51 88 466 Gc| 221 155 90 144 92 103 782 Kk| 174 46 94 58 58 566 Ma| 200 138 126 198 770 Ny| 193 129 152 826 Sv| 145 135 669 Wz| 214 835 Number of 2-station scans: 88 Number of 3-station scans: 78 Number of 4-station scans: 68 Number of 5-station scans: 39 Number of 6-station scans: 39 Number of 7-station scans: 37 Number of 8-station scans: 12 Total # of scans, observations: 361 2818 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK GILCREEK 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 ) Gc GILCREEK 17400feet (Thin ) 56250. (High) 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 Gc Kk Ma Ny Sv Ap Ft Gc Kk Ma Ny Sv Ft 20 Ft 15 Gc 20 20 Gc 15 15 Kk 20 20 20 Kk 15 15 15 Ma 20 20 20 20 Ma 15 15 15 15 Ny 20 20 20 20 20 Ny 15 15 15 15 15 Sv 20 20 20 20 20 20 Sv 15 15 15 15 15 15 Wz 20 20 20 20 20 20 20 Wz 15 15 15 15 15 15 15