Session Notes for session: r4095 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4095 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-303-18:30:00 Nominal end: 2003-304-18:45:00 Current yyyyddd: 2003303 (2003.83) ( 12943 MJD, THUR 30OCT.) Greenwich sidereal time: 21: 4:38.94 (18:30: 0 UT) Sun's RA and DEC: 14h 18.3m -13d 49.4 ========================================================== Note that Kk was tagged to this. =========================================================== First observations Observation listing from file ./r4095.skd for experiment R4095 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 1611+343 03303-183000| 98 148 98 148 139 98 136| 0642+449 03303-183451| 98 126 126 98 103| 1156+295 03303-183926| 98 98 | 3C446 03303-183953| 128 128 98 98| 1357+769 03303-184501| 98 130 130 98 112| End of listing. =========================================================== Last observations Observation listing from file ./r4095.skd for experiment R4095 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 0119+115 03304-182752| 328 328 98 98| End of listing. Observation listing from file ./r4095.skd for experiment R4095 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 0133+476 03304-180908| 98 98 98 98| 1706-174 03304-181145| 399 399 | 0552+398 03304-181254| 98 98 98 98| 2149+056 03304-181754| 279 279 101 179| 1741-038 03304-182358| 98 98 98 98| 0119+115 03304-182752| 328 328 98 98| End of listing. =========================================================== SKED Summary from file ./r4095.skd for experiment R4095 (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 = 68.6 (Baseline Ny-Sv on 1741-038) RMS = 5.3 Total time: 1443 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: 24 31 7 48 49 31 40 33 % cal. time: 1 1 0 2 2 2 2 1 % slew time: 55 19 1 19 12 33 8 21 % idle time: 17 48 90 30 36 32 48 43 # of tapes : .4 2.0 1.1 .8 .8 1.8 .6 total # scans: 163 111 37 197 205 208 214 162 # scans/hour : 6 4 1 8 8 8 8 6.8 Avg scan (sec): 131 243 171 213 208 131 164 180 tape change times (hhmm): 0000 0747 2044 0000 0000 0814 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Ma Ny Sv Wz StnTotal ------------------------------------------ Ap|163 82 28 89 121 101 103 524 Ft| 111 15 79 60 66 78 380 Kk| 37 15 33 24 19 134 Ma| 197 152 172 193 700 Ny| 205 176 167 709 Sv| 208 188 727 Wz| 214 748 Number of 2-station scans: 67 Number of 3-station scans: 33 Number of 4-station scans: 85 Number of 5-station scans: 55 Number of 6-station scans: 42 Number of 7-station scans: 5 Total # of scans, observations: 287 1961 =========================================================== 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