Session Notes for session: r4089 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4089 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-261-18:30:00 Nominal end: 2003-262-18:45:00 Current yyyyddd: 2003261 (2003.72) ( 12901 MJD, THUR 18SEP.) Greenwich sidereal time: 18:19: 3.61 (18:30: 0 UT) Sun's RA and DEC: 11h 43.2m 1d 48.9 ========================================================== The following sources were included for research purposes: No new sources. Killed a few however! =========================================================== First observations Observation listing from file ./r4089.skd for experiment R4089 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 0133+476 03261-183000| 98 98 98 98 98| 1741-038 03261-183000| 98 98 | 1908-201 03261-183401| 98 98| 0003-066 03261-183712| 98 98| 4C39.25 03261-183920| 98 98 98 98 | End of listing. =========================================================== Last observations Observation listing from file ./r4089.skd for experiment R4089 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 0642+449 03262-183031| 98 98 98 98 | End of listing. Observation listing from file ./r4089.skd for experiment R4089 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Sv Wz 1101+384 03262-175859| 774 774 | 1706-174 03262-180033| 774 774| 0955+476 03262-181530| 98 98 98 98 98 98| 0133+476 03262-181840| 101 101 98 98| 1739+522 03262-182241| 98 327 267 327 151 219| 0642+449 03262-183031| 98 98 98 98 | End of listing. =========================================================== SKED Summary from file ./r4089.skd for experiment R4089 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 2.9 Min = .0 Max = 34.3 (Baseline Ny-Sv on 1741-038) RMS = 4.4 Total time: 1442 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: 29 37 40 48 47 19 39 37 % cal. time: 2 1 1 2 2 1 2 1 % slew time: 52 22 7 18 12 24 8 20 % idle time: 16 38 50 30 37 54 50 39 # of tapes : .5 2.2 .6 .8 .8 1.1 .6 total # scans: 181 116 147 192 189 139 203 166 # scans/hour : 7 4 6 7 7 5 8 6.9 Avg scan (sec): 139 283 237 217 216 121 168 197 tape change times (hhmm): 0000 0523 0000 0000 0000 1646 0000 0000 1634 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Ma Ny Sv Wz StnTotal ------------------------------------------ Ap|181 77 112 75 102 67 91 524 Ft| 116 38 81 56 49 79 380 Kk| 147 41 92 47 55 385 Ma| 192 135 122 185 639 Ny| 189 120 148 653 Sv| 139 131 536 Wz| 203 689 Number of 2-station scans: 94 Number of 3-station scans: 63 Number of 4-station scans: 74 Number of 5-station scans: 39 Number of 6-station scans: 37 Number of 7-station scans: 11 Total # of scans, observations: 318 1903 =========================================================== 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