Session Notes for session: r4158 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4158 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2005-027-18:30:00 Nominal end: 2005-028-18:45:00 Current yyyyddd: 2005027 (2005.07) ( 13398 MJD, THUR 27JAN.) Greenwich sidereal time: 2:58:31.63 (18:30: 0 UT) Sun's RA and DEC: 20h 41.4m -18d 17.1 ========================================================== The following sources were included for research purposes: =========================================================== First observations Observation listing from file ./r4158.skd for experiment R4158 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Mc Ny Tc Wz 0133+476 05027-183000| 98 202 98 202 | 4C39.25 05027-183545| 98 98 | 3C446 05027-183626| 98 125 125 | 1749+096 05027-184157| 98 98 | 0458-020 05027-184329| 130 130 | End of listing. =========================================================== Last observations Observation listing from file ./r4158.skd for experiment R4158 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Mc Ny Tc Wz 2149+056 05028-182816| 98 98 | End of listing. Observation listing from file ./r4158.skd for experiment R4158 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Mc Ny Tc Wz 0133+476 05028-181610| 98 192 98 192 98| 0743+259 05028-182130| 98 156 156| 0804+499 05028-182449| 98 122 122| 0537-441 05028-182751| 128 128 | 0727-115 05028-182810| 98 98| 2149+056 05028-182816| 98 98 | End of listing. =========================================================== SKED Summary from file ./r4158.skd for experiment R4158 (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 = 23.2 (Baseline Mc-Wz on 1334-127) RMS = 4.4 Total time: 1440 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Kk=KOKEE Mc=MEDICINA Ny=NYALES20 Tc=TIGO Wz=WETTZELL Ap Ft Kk Mc Ny Tc Wz Avg % obs. time: 23 23 34 29 35 22 34 28 % cal. time: 2 1 1 2 2 1 2 2 % slew time: 57 23 9 33 14 3 9 21 % idle time: 17 51 54 33 47 72 54 47 total # scans: 182 124 159 243 223 88 224 177 # scans/hour : 7 5 6 10 9 3 9 7.4 Avg scan (sec): 110 164 187 105 137 218 131 150 Total GBytes: 344 340 495 442 517 316 498 421 # of tapes : .8 3.0 1.1 1.0 1.1 .7 1.1 tape change times (hhmm): 0000 0229 1602 0000 1602 0000 1713 0000 1007 0000 0000 0000 0000 0000 0000 1827 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Mc Ny Tc Wz StnTotal ------------------------------------------ Ap|182 63 95 111 121 39 100 529 Ft| 124 26 82 46 58 74 349 Kk| 159 57 100 41 66 385 Mc| 243 177 23 215 665 Ny| 223 4 168 616 Tc| 88 22 187 Wz| 224 645 Number of 2-station scans: 115 Number of 3-station scans: 113 Number of 4-station scans: 69 Number of 5-station scans: 70 Number of 6-station scans: 8 Number of 7-station scans: 0 Total # of scans, observations: 375 1688 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK KOKEE MEDICINA NYALES20 TIGOCONC WETTZELL Mode Tot.Rate Tot.BandW #chan #bits Barrel C 112.000 Mbits 56.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 4.00 MHz 2 14(*0) 28 160.00 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 Mode Tot.Rate Tot.BandW #chan #bits Barrel C 112.000 Mbits 56.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 4.00 MHz 2 14(*0) 28 270.00 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 Passes Ap ALGOPARK 17400feet (Thin ) 56250. (High) 12 Ft FORTLEZA 8700feet (Thick) 33333. (Low ) 12 Kk KOKEE 17400feet (Thin ) 56250. (High) 12 Mc MEDICINA 17400feet (Thin ) 56250. (High) 12 Ny NYALES20 17400feet (Thin ) 56250. (High) 12 Tc TIGOCONC 17400feet (Thin ) 56250. (High) 12 Wz WETTZELL 17400feet (Thin ) 56250. (High) 12 =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 3) Ap Ft Kk Mc Ny Tc Ap Ft Kk Mc Ny Tc Ft 20 Ft 15 Kk 20 20 Kk 15 15 Mc 20 20 20 Mc 15 15 15 Ny 20 20 20 20 Ny 15 15 15 15 Tc 15 15 15 15 15 Tc 12 12 12 12 12 Wz 20 20 20 20 20 15 Wz 15 15 15 15 15 12