Session Notes for session: r4121 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4121 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2004-134-18:30:00 Nominal end: 2004-135-18:45:00 Current yyyyddd: 2004134 (2004.37) ( 13139 MJD, THUR 13MAY.) Greenwich sidereal time: 9:57:23.79 (18:30: 0 UT) Sun's RA and DEC: 3h 23.7m 18d 36.2 ========================================================== The following sources were included for research purposes: =========================================================== First observations Observation listing from file ./r4121.skd for experiment R4121 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Sv Wz 0727-115 04134-183000| 110 110 | 0059+581 04134-183000| 98 98 98 | 1611+343 04134-183413| 98 98 | 0955+476 04134-183800| 98 377 157 377 98 | 0119+115 04134-184651| 98 98 | End of listing. =========================================================== Last observations Observation listing from file ./r4121.skd for experiment R4121 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Sv Wz 1611+343 04135-182755| 98 98 98 98| End of listing. Observation listing from file ./r4121.skd for experiment R4121 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Sv Wz 0727-115 04135-181127| 98 98 98 98| 3C274 04135-181423| 98 98 98| 0454-234 04135-181539| 98 98 | 0552+398 04135-182013| 323 323 146 98 98| 0748+126 04135-182307| 123 123| 1611+343 04135-182755| 98 98 98 98| End of listing. =========================================================== SKED Summary from file ./r4121.skd for experiment R4121 (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 = 3.6 Total time: 1439 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: 26 26 50 43 50 19 41 36 % cal. time: 1 0 2 1 1 1 1 1 % slew time: 52 16 16 9 13 20 7 19 % idle time: 19 56 30 44 34 59 49 42 total # scans: 166 80 206 152 166 116 172 151 # scans/hour : 6 3 8 6 6 4 7 6.3 Avg scan (sec): 136 287 213 249 262 143 206 213 Total GBytes: 191 187 362 310 355 140 293 262 # of tapes : .4 1.7 .8 .7 .8 1.2 .7 tape change times (hhmm): 0000 0705 0000 0000 0000 1555 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk On Sv Wz StnTotal ------------------------------------------ Ap|166 54 123 80 70 53 78 458 Ft| 80 33 19 52 31 53 242 Gc| 206 145 83 70 82 536 Kk| 152 47 41 47 379 On| 166 111 156 519 Sv| 116 109 415 Wz| 172 525 Number of 2-station scans: 112 Number of 3-station scans: 95 Number of 4-station scans: 42 Number of 5-station scans: 30 Number of 6-station scans: 35 Number of 7-station scans: 3 Total # of scans, observations: 317 1537 =========================================================== 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