Session Notes for session: r4150 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4150 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2004-337-18:30:00 Nominal end: 2004-338-18:45:00 Current yyyyddd: 2004337 (2004.92) ( 13342 MJD, THUR 2DEC.) Greenwich sidereal time: 23:17:44.53 (18:30: 0 UT) Sun's RA and DEC: 16h 37.4m -22d 4.9 ========================================================== Wz is tagged to this exp. msc =========================================================== First observations Observation listing from file ./r4150.skd for experiment R4150 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Mc Ny Tc Wz 3C446 04337-183000| 98 125 98 125 | 1739+522 04337-183531| 98 98 98 | OQ208 04337-183834| 98 98 | CTA26 04337-184159| 98 98 | 1741-038 04337-184354| 98 98 98 | End of listing. =========================================================== Last observations Observation listing from file ./r4150.skd for experiment R4150 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Mc Ny Tc Wz 1741-038 04338-182843| 98 98 98 98 | End of listing. Observation listing from file ./r4150.skd for experiment R4150 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Mc Ny Tc Wz 1424-418 04338-180535| 383 383 | 0059+581 04338-180834| 98 98 98 98 98| 1300+580 04338-181356| 98 173 142 173 | OQ208 04338-181925| 98 218 218 | 0552+398 04338-182526| 98 98 98 | 1741-038 04338-182843| 98 98 98 98 | End of listing. =========================================================== SKED Summary from file ./r4150.skd for experiment R4150 (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 = 36.0 (Baseline Ny-Tc on 3C446 ) 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: 25 25 36 32 36 20 15 27 % cal. time: 2 1 2 2 2 0 1 1 % slew time: 55 23 10 29 14 4 5 20 % idle time: 16 49 51 35 46 74 77 50 total # scans: 194 131 176 228 229 86 129 167 # scans/hour : 8 5 7 9 9 3 5 7.0 Avg scan (sec): 112 166 176 122 138 207 105 146 Total GBytes: 372 363 517 477 534 294 235 398 # of tapes : .8 3.3 1.2 1.0 1.2 .7 .5 tape change times (hhmm): 0000 0116 1557 1808 1513 0000 0000 0000 0826 0000 0000 0000 0000 0000 0000 1547 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Mc Ny Tc Wz StnTotal ------------------------------------------ Ap|194 69 111 109 114 42 62 507 Ft| 131 30 87 49 57 56 348 Kk| 176 64 109 42 37 393 Mc| 228 181 23 123 587 Ny| 229 3 114 570 Tc| 86 3 170 Wz| 129 395 Number of 2-station scans: 122 Number of 3-station scans: 125 Number of 4-station scans: 77 Number of 5-station scans: 37 Number of 6-station scans: 9 Number of 7-station scans: 1 Total # of scans, observations: 371 1485 =========================================================== 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