Session Notes for session: r4019 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4019 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2002-129-18:30:00 Nominal end: 2002-130-18:45:00 Current yyyyddd: 2002129 (2002.35) ( 12404 MJD, THUR 9MAY.) Greenwich sidereal time: 9:39:35.60 (18:30: 0 UT) Sun's RA and DEC: 3h 6.0m 17d 27.5 ========================================================== The following sources were included for research purposes: 0206+136, 0722+145, 1345+125, 1901+155 =========================================================== First observations Observation listing from file ./r4019.skd for experiment R4019 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Wz 1357+769 02129-183000| 98 158 158 | 1156+295 02129-183000| 202 202| 1034-293 02129-183513| 233 233| 2234+282 02129-183517| 98 98 | 0133+476 02129-184129| 98 98 98 98| End of listing. =========================================================== Last observations Observation listing from file ./r4019.skd for experiment R4019 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Wz 0119+115 02130-182808| 294 294 | End of listing. Observation listing from file ./r4019.skd for experiment R4019 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Wz 1611+343 02130-180406| 98 98 98| 0202+149 02130-180721| 98 98 98 | 1334-127 02130-180943| 98 98| 0206+136 02130-181206| 164 684 684 | 0722+145 02130-181958| 148 512 512| 0119+115 02130-182808| 294 294 | End of listing. =========================================================== SKED Summary from file ./r4019.skd for experiment R4019 (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 = 22.5 (Baseline Ma-Wz on 1334-127) RMS = 4.3 Total time: 1443 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Kk=KOKEE Ma=MATERA Wz=WETTZELL Ap Ft Kk Ma Wz Avg % obs. time: 29 27 35 52 50 39 % cal. time: 2 1 1 2 2 2 % slew time: 53 19 6 20 9 21 % idle time: 14 51 56 24 37 37 # of tapes : 1.5 1.6 .5 .8 .8 total # scans: 212 117 153 209 224 183 # scans/hour : 8 4 6 8 9 7.6 Avg scan (sec): 119 205 198 216 195 186 tape change times (hhmm): 1034 0720 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Ma Wz StnTotal ---------------------------------- Ap|212 88 130 95 107 420 Ft| 117 40 77 79 284 Kk| 153 42 57 269 Ma| 209 206 420 Wz| 224 449 Number of 2-station scans: 164 Number of 3-station scans: 99 Number of 4-station scans: 60 Number of 5-station scans: 10 Total # of scans, observations: 333 921 =========================================================== Recording mode Name Code NEOS-WB NW Recording mode setup for: ALGOPARK 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= 680.0 MHz rms spanned bw= 252.6 MHz S-band spanned bw= 110.0 MHz rms spanned bw= 43.7 MHz Effective number of channels recorded per sub-pass X S Total 8.000 6.000 14.000 Recording mode setup for: KOKEE MATERA 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= 680.0 MHz rms spanned bw= 252.6 MHz S-band spanned bw= 110.0 MHz rms spanned bw= 43.7 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 8700feet (Thick) 33333. (Low ) Ft FORTLEZA 8700feet (Thick) 33333. (Low ) Kk KOKEE 17400feet (Thin ) 56250. (High) Ma MATERA 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 Kk Ma Ap Ft Kk Ma Ft 20 Ft 15 Kk 20 20 Kk 15 15 Ma 20 20 20 Ma 15 15 15 Wz 20 20 20 20 Wz 15 15 15 15