Session Notes for session: r4082 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4082 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-212-18:30:00 Nominal end: 2003-213-18:45:00 Current yyyyddd: 2003212 (2003.58) ( 12852 MJD, THUR 31JUL.) Greenwich sidereal time: 15: 5:52.40 (18:30: 0 UT) Sun's RA and DEC: 8h 42.3m 18d 13.8 ========================================================== The following sources were included for research purposes: 0743+259, 1023+131 Added: 1053+815 due to good results in R1, has grade "C" =========================================================== First observations Observation listing from file ./r4082.skd for experiment R4082 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Tc Wz 0454-234 03212-183000| 123 123 | 1741-038 03212-183000| 98 98 98| 2201+315 03212-183447| 193 193 | 0552+398 03212-183833| 98 98 98 98 | 1357+769 03212-184422| 98 243 111 202 243 108| End of listing. =========================================================== Last observations Observation listing from file ./r4082.skd for experiment R4082 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Tc Wz 0727-115 03213-182641| 98 98 98 98 | End of listing. Observation listing from file ./r4082.skd for experiment R4082 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk On Tc Wz 0552+398 03213-181653| 98 98 98 98 | 1741-038 03213-182032| 98 98 98| CTA26 03213-182035| 98 98 | 0454-234 03213-182256| 124 124 | 2136+141 03213-182319| 98 98| 0727-115 03213-182641| 98 98 98 98 | End of listing. =========================================================== SKED Summary from file ./r4082.skd for experiment R4082 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 2.3 Min = .0 Max = 27.6 (Baseline Gc-Kk on CTA26 ) RMS = 4.4 Total time: 1438 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Gc=GILCREEK Kk=KOKEE On=ONSALA60 Tc=TIGO Wz=WETTZELL Ap Ft Gc Kk On Tc Wz Avg % obs. time: 22 24 37 42 46 27 34 33 % cal. time: 2 1 2 2 2 0 2 1 % slew time: 56 21 17 12 15 3 8 19 % idle time: 19 53 41 42 34 67 53 44 # of tapes : .8 3.1 1.2 1.4 1.5 1.0 1.1 total # scans: 178 113 220 196 205 75 203 170 # scans/hour : 7 4 9 8 8 3 8 7.1 Avg scan (sec): 109 183 148 189 197 321 148 185 tape change times (hhmm): 0000 0224 1429 1154 0901 0000 1640 0000 1019 0000 0000 0000 0000 0000 0000 1801 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk On Tc Wz StnTotal ------------------------------------------ Ap|178 74 127 95 97 36 93 522 Ft| 113 42 29 73 45 76 339 Gc| 220 164 103 17 96 549 Kk| 196 59 44 52 443 On| 205 15 198 545 Tc| 75 17 174 Wz| 203 532 Number of 2-station scans: 165 Number of 3-station scans: 84 Number of 4-station scans: 60 Number of 5-station scans: 58 Number of 6-station scans: 13 Number of 7-station scans: 0 Total # of scans, observations: 380 1552 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK GILCREEK KOKEE ONSALA60 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) On ONSALA60 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 On Tc Ap Ft Gc Kk On Tc 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 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