Session Notes for session: r4067 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4067 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-106-18:30:00 Nominal end: 2003-107-18:45:00 Current yyyyddd: 2003106 (2003.29) ( 12746 MJD, WED. 16APR.) Greenwich sidereal time: 8: 7:57.53 (18:30: 0 UT) Sun's RA and DEC: 1h 37.8m 10d 10.3 ========================================================== The following sources were included for research purposes: 1444+175 (Hard to get due to low snr) 2013+163 2022+171 =========================================================== First observations Observation listing from file ./r4067.skd for experiment R4067 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ma Tc Wz 3C446 03106-183000| 98 129 116 129 | 1156+295 03106-183432| 98 98| 1606+106 03106-183432| 98 98 | 0014+813 03106-183759| 98 98 98 | 0059+581 03106-184140| 98 175 98 175 98 98| End of listing. =========================================================== Last observations Observation listing from file ./r4067.skd for experiment R4067 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ma Tc Wz 0748+126 03107-182632| 98 110 110| End of listing. Observation listing from file ./r4067.skd for experiment R4067 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ma Tc Wz 0727-115 03107-181057| 98 116 116 112| 1749+096 03107-181414| 98 98 | 1741-038 03107-181635| 98 98 | 1739+522 03107-181941| 98 98 98 98 98| 2013+163 03107-182342| 148 148 | 0748+126 03107-182632| 98 110 110| End of listing. =========================================================== SKED Summary from file ./r4067.skd for experiment R4067 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 2.6 Min = .0 Max = 28.4 (Baseline Gc-Kk on 0727-115) RMS = 4.6 Total time: 1438 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Gc=GILCREEK Kk=KOKEE Ma=MATERA Tc=TIGO Wz=WETTZELL Ap Ft Gc Kk Ma Tc Wz Avg % obs. time: 25 24 38 38 38 21 37 32 % cal. time: 2 1 2 2 2 0 2 2 % slew time: 52 21 17 12 20 2 9 19 % idle time: 18 52 40 47 38 74 50 46 # of tapes : .8 3.0 1.3 1.3 1.3 .8 1.2 total # scans: 203 127 234 199 215 65 232 182 # scans/hour : 8 5 9 8 8 2 9 7.6 Avg scan (sec): 110 164 143 165 154 291 138 166 tape change times (hhmm): 0000 0219 1354 1415 1415 0000 1426 0000 0945 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk Ma Tc Wz StnTotal ------------------------------------------ Ap|203 89 150 114 95 40 109 597 Ft| 127 50 30 98 37 98 402 Gc| 234 171 95 16 113 595 Kk| 199 48 36 63 462 Ma| 215 22 214 572 Tc| 65 22 173 Wz| 232 619 Number of 2-station scans: 148 Number of 3-station scans: 101 Number of 4-station scans: 69 Number of 5-station scans: 62 Number of 6-station scans: 15 Number of 7-station scans: 0 Total # of scans, observations: 395 1710 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK GILCREEK KOKEE MATERA 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 Ap ALGOPARK 17400feet (Thin ) 56250. (High) Ft FORTLEZA 8700feet (Thick) 33333. (Low ) Gc GILCREEK 17400feet (Thin ) 56250. (High) Kk KOKEE 17400feet (Thin ) 56250. (High) Ma MATERA 17400feet (Thin ) 56250. (High) Tc TIGOCONC 17400feet (Thin ) 56250. (High) Wz WETTZELL 17400feet (Thin ) 56250. (High) =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 3) Ap Ft Gc Kk Ma Tc Ap Ft Gc Kk Ma Tc Ft 20 Ft 15 Gc 20 20 Gc 15 15 Kk 20 20 20 Kk 15 15 15 Ma 20 20 20 20 Ma 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