Session Notes for session: r4155 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4155 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2005-006-18:30:00 Nominal end: 2005-007-18:45:00 Current yyyyddd: 2005006 (2005.02) ( 13377 MJD, THUR 6JAN.) Greenwich sidereal time: 1:35:43.97 (18:30: 0 UT) Sun's RA and DEC: 19h 11.8m -22d 24.8 ========================================================== The following sources were included for research purposes: =========================================================== First observations Observation listing from file ./r4155.skd for experiment R4155 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz 0955+476 05006-183000| 98 98 98 98| 1334-127 05006-183412| 98 98 | CTA26 05006-183531| 126 126| 1611+343 05006-183737| 98 98 98 98 | 1622-253 05006-184034| 98 98 | End of listing. =========================================================== Last observations Observation listing from file ./r4155.skd for experiment R4155 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz 1741-038 05007-182108| 98 98 347 98 347 | End of listing. Observation listing from file ./r4155.skd for experiment R4155 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz 1611+343 05007-175828| 98 98 98 98 | 1334-127 05007-180150| 98 98 | 0059+581 05007-180550| 98 156 156 115 98| 1300+580 05007-181112| 98 118 154 157 157| OQ208 05007-181612| 98 98 177 177 | 1741-038 05007-182108| 98 98 347 98 347 | End of listing. =========================================================== SKED Summary from file ./r4155.skd for experiment R4155 (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 = 26.2 (Baseline Gc-Kk on 1334-127) RMS = 4.4 Total time: 1432 minutes ( 23.9 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Gc=GILCREEK Kk=KOKEE Ny=NYALES20 Tc=TIGO Wz=WETTZELL Ap Ft Gc Kk Ny Tc Wz Avg % obs. time: 23 24 34 40 36 23 35 31 % cal. time: 2 1 2 2 2 1 2 2 % slew time: 55 24 17 12 13 3 8 19 % idle time: 18 49 45 43 47 71 53 47 total # scans: 186 131 239 207 213 88 208 181 # scans/hour : 7 5 10 8 8 3 8 7.6 Avg scan (sec): 109 158 123 169 148 230 147 154 Total GBytes: 351 348 503 586 530 333 515 452 # of tapes : .8 2.9 1.1 1.3 1.2 .8 1.1 tape change times (hhmm): 0000 0241 1709 1341 1525 0000 1516 0000 1025 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk Ny Tc Wz StnTotal ------------------------------------------ Ap|186 67 139 108 118 34 105 571 Ft| 131 38 27 45 63 82 322 Gc| 239 174 162 10 118 641 Kk| 207 106 38 68 521 Ny| 213 4 168 603 Tc| 88 22 171 Wz| 208 563 Number of 2-station scans: 149 Number of 3-station scans: 92 Number of 4-station scans: 76 Number of 5-station scans: 68 Number of 6-station scans: 9 Number of 7-station scans: 0 Total # of scans, observations: 394 1696 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK GILCREEK KOKEE 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 Gc GILCREEK 17400feet (Thin ) 56250. (High) 12 Kk KOKEE 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 Gc Kk Ny Tc Ap Ft Gc Kk Ny Tc Ft 20 Ft 15 Gc 20 20 Gc 15 15 Kk 20 20 20 Kk 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