Session Notes for session: r4084 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4084 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-226-18:30:00 Nominal end: 2003-227-18:45:00 Current yyyyddd: 2003226 (2003.62) ( 12866 MJD, THUR 14AUG.) Greenwich sidereal time: 16: 1: 4.18 (18:30: 0 UT) Sun's RA and DEC: 9h 35.8m 14d 19.0 ========================================================== The following sources were included for research purposes: 1908-201 0536+145 0119+041 =========================================================== First observations Observation listing from file ./r4084.skd for experiment R4084 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny On Wz 0552+398 03226-183000| 98 98 98 98 98 | 1741-038 03226-183000| 98 98| 2201+315 03226-183401| 98 98 | 1357+769 03226-183737| 98 489 220 391 244 489 217| 0202+149 03226-184522| 98 120 120 | End of listing. =========================================================== Last observations Observation listing from file ./r4084.skd for experiment R4084 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny On Wz 0552+398 03227-182817| 98 98 98 98 98 | End of listing. Observation listing from file ./r4084.skd for experiment R4084 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny On Wz CTA102 03227-175325| 774 774| CTA26 03227-175338| 98 98 | 1739+522 03227-180842| 98 371 256 238 371 154| 1611+343 03227-181656| 98 269 98 129 269 119| OQ208 03227-182227| 207 98 207 118| 0552+398 03227-182817| 98 98 98 98 98 | End of listing. =========================================================== SKED Summary from file ./r4084.skd for experiment R4084 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 3.0 Min = .0 Max = 105.4 (Baseline Ny-On on 1741-038) RMS = 6.2 Total time: 1440 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Gc=GILCREEK Kk=KOKEE Ny=NYALES20 On=ONSALA60 Wz=WETTZELL Ap Ft Gc Kk Ny On Wz Avg % obs. time: 24 27 40 45 44 52 39 39 % cal. time: 1 1 2 2 2 2 2 2 % slew time: 53 17 16 10 12 14 8 18 % idle time: 20 53 40 41 41 31 50 39 # of tapes : .4 1.7 .6 .8 .7 .8 .6 total # scans: 171 92 216 173 192 189 191 174 # scans/hour : 7 3 9 7 8 7 7 7.3 Avg scan (sec): 123 260 161 225 200 237 178 197 tape change times (hhmm): 0000 0719 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk Ny On Wz StnTotal ------------------------------------------ Ap|171 66 123 96 98 86 86 555 Ft| 92 40 31 44 59 63 303 Gc| 216 161 133 94 90 641 Kk| 173 90 57 53 488 Ny| 192 152 148 665 On| 189 181 629 Wz| 191 621 Number of 2-station scans: 101 Number of 3-station scans: 91 Number of 4-station scans: 57 Number of 5-station scans: 41 Number of 6-station scans: 41 Number of 7-station scans: 10 Total # of scans, observations: 341 1951 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK GILCREEK KOKEE NYALES20 ONSALA60 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 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) Ny NYALES20 17400feet (Thin ) 56250. (High) On ONSALA60 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 On Ap Ft Gc Kk Ny On 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 On 20 20 20 20 20 On 15 15 15 15 15 Wz 20 20 20 20 20 20 Wz 15 15 15 15 15 15