Session Notes for session: r4111 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4111 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2004-064-18:30:00 Nominal end: 2004-065-18:45:00 Current yyyyddd: 2004064 (2004.18) ( 13069 MJD, THUR 4MAR.) Greenwich sidereal time: 5:21:24.92 (18:30: 0 UT) Sun's RA and DEC: 23h 3.0m -6d 5.5 ========================================================== The following sources were included for research purposes: =========================================================== First observations Observation listing from file ./r4111.skd for experiment R4111 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Sv Wz 1308+326 04064-183000| 98 98 | 0229+131 04064-183000| 98 98 98| 0743+259 04064-183417| 774 496 774| 0003-066 04064-183418| 98 98 | 2149+056 04064-183813| 189 267 267 | End of listing. =========================================================== Last observations Observation listing from file ./r4111.skd for experiment R4111 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Sv Wz 1156+295 04065-183007| 141 141 111| End of listing. Observation listing from file ./r4111.skd for experiment R4111 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Sv Wz 0748+126 04065-180104| 774 774| 2126-158 04065-180106| 201 201 | 0048-097 04065-180713| 445 445 | 2149+056 04065-181729| 190 260 260 | 0119+115 04065-182410| 98 173 237 237| 1156+295 04065-183007| 141 141 111| End of listing. =========================================================== SKED Summary from file ./r4111.skd for experiment R4111 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 2.0 Min = .0 Max = 26.2 (Baseline Gc-Kk on 1334-127) RMS = 3.5 Total time: 1442 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Gc=GILCREEK Kk=KOKEE On=ONSALA60 Sv=SVETLOE Wz=WETTZELL Ap Ft Gc Kk On Sv Wz Avg % obs. time: 27 21 47 40 46 35 42 37 % cal. time: 1 0 2 1 1 2 2 1 % slew time: 50 11 14 9 12 28 7 19 % idle time: 19 66 35 47 39 34 48 41 total # scans: 163 63 190 144 160 176 178 153 # scans/hour : 6 2 7 5 6 7 7 6.4 Avg scan (sec): 147 291 218 245 249 172 207 218 Total GBytes: 201 149 341 289 327 252 305 266 # of tapes : .5 1.4 .8 .6 .7 2.0 .7 tape change times (hhmm): 0000 1017 0000 0000 0000 0600 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk On Sv Wz StnTotal ------------------------------------------ Ap|163 45 110 78 72 84 81 470 Ft| 63 23 18 36 28 42 192 Gc| 190 132 86 101 85 537 Kk| 144 49 52 45 374 On| 160 138 155 536 Sv| 176 147 550 Wz| 178 555 Number of 2-station scans: 95 Number of 3-station scans: 100 Number of 4-station scans: 42 Number of 5-station scans: 39 Number of 6-station scans: 31 Number of 7-station scans: 5 Total # of scans, observations: 312 1607 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK GILCREEK KOKEE ONSALA60 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 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 On ONSALA60 17400feet (Thin ) 56250. (High) 12 Sv SVETLOE 8700feet (Thick) 33333. (Low ) 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 On Sv Ap Ft Gc Kk On Sv Ft 20 Ft 15 Gc 20 20 Gc 15 15 Kk 20 20 20 Kk 15 15 15 On 20 20 20 20 On 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