Session Notes for session: r4142 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4142 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2004-281-18:30:00 Nominal end: 2004-282-18:45:00 Current yyyyddd: 2004281 (2004.77) ( 13286 MJD, THUR 7OCT.) Greenwich sidereal time: 19:36:57.43 (18:30: 0 UT) Sun's RA and DEC: 12h 54.6m -5d 50.5 ========================================================== ******* Note **** Ny is only tagged to the exp. We think that they will be DOWN, however there is always hope!********* =========================================================== First observations Observation listing from file ./r4142.skd for experiment R4142 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Mc Ny Tc Wz 1611+343 04281-183000| 98 198 98 198 198 | 3C446 04281-183640| 98 98 | 0718+793 04281-184140| 98 98 98 | 1156+295 04281-184721| 173 173 | 1741-038 04281-185557| 98 98 98 98 | End of listing. =========================================================== Last observations Observation listing from file ./r4142.skd for experiment R4142 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Mc Ny Tc Wz 3C274 04282-182728| 162 162 | End of listing. Observation listing from file ./r4142.skd for experiment R4142 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Mc Ny Tc Wz 1023+131 04282-180539| 98 98 | 0642+449 04282-181025| 98 98 98 98| 0133+476 04282-181253| 98 98 98| 1741-038 04282-182020| 98 98 98 125 125| 3C446 04282-182548| 98 98 98| 3C274 04282-182728| 162 162 | End of listing. =========================================================== SKED Summary from file ./r4142.skd for experiment R4142 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 2.1 Min = .0 Max = 25.1 (Baseline Mc-Wz on 1741-038) RMS = 4.0 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: 26 22 36 34 17 21 40 28 % cal. time: 2 1 1 2 1 0 2 1 % slew time: 56 20 8 32 8 3 8 19 % idle time: 14 55 53 30 72 74 48 49 total # scans: 191 127 154 250 127 78 234 165 # scans/hour : 7 5 6 10 5 3 9 6.9 Avg scan (sec): 121 156 205 119 119 240 150 158 Total GBytes: 394 332 523 511 258 308 590 416 # of tapes : .9 2.9 1.2 2.1 .6 .7 2.3 tape change times (hhmm): 0000 0314 1453 0002 0000 0000 0002 0000 1036 0000 1635 0000 0000 1320 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Mc Ny Tc Wz StnTotal ------------------------------------------ Ap|191 65 111 108 71 35 98 488 Ft| 127 25 92 23 51 82 338 Kk| 154 62 61 38 68 365 Mc| 250 115 24 227 628 Ny| 127 1 109 380 Tc| 78 22 171 Wz| 234 606 Number of 2-station scans: 127 Number of 3-station scans: 101 Number of 4-station scans: 78 Number of 5-station scans: 56 Number of 6-station scans: 2 Number of 7-station scans: 0 Total # of scans, observations: 364 1488 =========================================================== 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