Session Notes for session: r4083 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4083 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-219-18:30:00 Nominal end: 2003-220-18:45:00 Current yyyyddd: 2003219 (2003.60) ( 12859 MJD, THUR 7AUG.) Greenwich sidereal time: 15:33:28.29 (18:30: 0 UT) Sun's RA and DEC: 9h 9.2m 16d 22.8 ========================================================== The following sources were included for research purposes: 1908-201, 0536+145, 0119+041 =========================================================== First observations Observation listing from file ./r4083.skd for experiment R4083 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma On Sv Wz 1741-038 03219-183000| 98 98 98 | 0642+449 03219-183000| 98 154 184 184| 1923+210 03219-183527| 98 98 98 98| 0748+126 03219-183614| 149 452 452 | 3C274 03219-184321| 253 294 294 98 110| End of listing. =========================================================== Last observations Observation listing from file ./r4083.skd for experiment R4083 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma On Sv Wz OQ208 03220-182910| 98 120 120 98 98| End of listing. Observation listing from file ./r4083.skd for experiment R4083 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma On Sv Wz 0748+126 03220-180716| 149 454 454 | 1622-253 03220-181333| 122 123 123| 0552+398 03220-181727| 98 98 98 98 | 1741-038 03220-182105| 98 98 98 98| 1923+210 03220-182506| 98 98 98| OQ208 03220-182910| 98 120 120 98 98| End of listing. =========================================================== SKED Summary from file ./r4083.skd for experiment R4083 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 2.7 Min = .0 Max = 24.7 (Baseline On-Wz on 1334-127) RMS = 4.5 Total time: 1440 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Kk=KOKEE Ma=MATERA On=ONSALA60 Sv=SVETLOE Wz=WETTZELL Ap Ft Kk Ma On Sv Wz Avg % obs. time: 29 32 34 46 54 18 40 36 % cal. time: 2 1 1 2 2 1 2 1 % slew time: 54 20 7 18 14 23 8 21 % idle time: 14 45 56 31 28 56 48 40 # of tapes : .5 1.9 .5 .8 .8 1.0 .7 total # scans: 182 108 143 198 197 138 206 167 # scans/hour : 7 4 5 8 8 5 8 7.0 Avg scan (sec): 139 260 209 204 237 115 170 190 tape change times (hhmm): 0000 0614 0000 0000 0000 1829 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Ma On Sv Wz StnTotal ------------------------------------------ Ap|182 67 118 65 76 55 76 457 Ft| 108 32 73 65 45 68 350 Kk| 143 33 49 42 44 318 Ma| 198 179 124 190 664 On| 197 135 189 693 Sv| 138 131 532 Wz| 206 698 Number of 2-station scans: 103 Number of 3-station scans: 61 Number of 4-station scans: 65 Number of 5-station scans: 58 Number of 6-station scans: 33 Number of 7-station scans: 5 Total # of scans, observations: 325 1856 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK KOKEE MATERA 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 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 ) Kk KOKEE 17400feet (Thin ) 56250. (High) Ma MATERA 17400feet (Thin ) 56250. (High) On ONSALA60 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 Kk Ma On Sv Ap Ft Kk Ma On Sv Ft 20 Ft 15 Kk 20 20 Kk 15 15 Ma 20 20 20 Ma 15 15 15 On 20 20 20 20 On 15 15 15 15 Sv 20 20 20 20 20 Sv 15 15 15 15 15 Wz 20 20 20 20 20 20 Wz 15 15 15 15 15 15