Session Notes for session: r4091 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4091 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-275-18:30:00 Nominal end: 2003-276-18:45:00 Current yyyyddd: 2003275 (2003.75) ( 12915 MJD, THUR 2OCT.) Greenwich sidereal time: 19:14:15.39 (18:30: 0 UT) Sun's RA and DEC: 12h 33.6m -3d 37.6 ========================================================== Both MA and SV were tagged on this exp. Ouch! =========================================================== First observations Observation listing from file ./r4091.skd for experiment R4091 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 3C274 03275-183000| 106 106 | 0229+131 03275-183000| 115 98 115| 1606+106 03275-183534| 98 109 109 98 98| 1739+522 03275-184227| 98 338 274 338 158 234| 1923+210 03275-185052| 140 98 140| End of listing. =========================================================== Last observations Observation listing from file ./r4091.skd for experiment R4091 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 0202+149 03276-182642| 98 98 98| End of listing. Observation listing from file ./r4091.skd for experiment R4091 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 1622-253 03276-180554| 98 98 | 1255-316 03276-180956| 168 168 | 1611+343 03276-181608| 138 138 98 130| 0642+449 03276-182002| 98 110 100 110| 0552+398 03276-182405| 98 98 98 98 | 0202+149 03276-182642| 98 98 98| End of listing. =========================================================== SKED Summary from file ./r4091.skd for experiment R4091 (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 = 68.6 (Baseline Ny-Sv on 1741-038) RMS = 4.8 Total time: 1438 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Kk=KOKEE Ma=MATERA Ny=NYALES20 Sv=SVETLOE Wz=WETTZELL Ap Ft Kk Ma Ny Sv Wz Avg % obs. time: 28 36 38 16 47 20 41 32 % cal. time: 2 1 1 0 2 1 2 1 % slew time: 55 21 8 8 13 24 8 20 % idle time: 13 41 50 74 36 53 47 45 # of tapes : .5 2.3 .6 .3 .8 1.1 .6 total # scans: 188 123 156 76 215 146 209 159 # scans/hour : 7 5 6 3 8 6 8 6.6 Avg scan (sec): 132 254 215 183 191 122 170 181 tape change times (hhmm): 0000 0540 0000 0000 0000 1551 0000 0000 1602 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Ma Ny Sv Wz StnTotal ------------------------------------------ Ap|188 78 113 31 103 72 95 492 Ft| 123 36 50 63 64 93 384 Kk| 156 13 99 52 54 367 Ma| 76 59 53 76 282 Ny| 215 133 170 627 Sv| 146 138 512 Wz| 209 626 Number of 2-station scans: 106 Number of 3-station scans: 79 Number of 4-station scans: 63 Number of 5-station scans: 48 Number of 6-station scans: 24 Number of 7-station scans: 4 Total # of scans, observations: 324 1645 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK 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 ) 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 Kk Ma Ny Sv Ap Ft Kk Ma Ny Sv Ft 20 Ft 15 Kk 20 20 Kk 15 15 Ma 20 20 20 Ma 15 15 15 Ny 20 20 20 20 Ny 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