Session Notes for session: r4071 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4071 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-135-18:30:00 Nominal end: 2003-136-18:45:00 Current yyyyddd: 2003135 (2003.37) ( 12775 MJD, THUR 15MAY.) Greenwich sidereal time: 10: 2:17.64 (18:30: 0 UT) Sun's RA and DEC: 3h 28.6m 18d 53.9 ========================================================== The following sources were included for research purposes: ngc3862, 1155+169, 1331+170 =========================================================== First observations Observation listing from file ./r4071.skd for experiment R4071 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Tc Wz 0552+398 03135-183000| 98 105 164 164 106| 1739+522 03135-183000| 98 98 | 1334-127 03135-183409| 98 98| 1749+096 03135-183507| 98 98 | 0537-441 03135-183519| 98 98 | End of listing. =========================================================== Last observations Observation listing from file ./r4071.skd for experiment R4071 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Tc Wz 1739+522 03136-182533| 98 98 98 98| End of listing. Observation listing from file ./r4071.skd for experiment R4071 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma Ny Tc Wz 0454-234 03136-180839| 98 147 147 | 0133+476 03136-181525| 98 98 98 98 98| 1334-127 03136-181934| 98 98| 0201+113 03136-181936| 98 98 | 0119+115 03136-182218| 98 98 | 1739+522 03136-182533| 98 98 98 98| End of listing. =========================================================== SKED Summary from file ./r4071.skd for experiment R4071 (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 = 43.3 (Baseline Ny-Wz on CTA26 ) RMS = 4.9 Total time: 1437 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Kk=KOKEE Ma=MATERA Ny=NYALES20 Tc=TIGO Wz=WETTZELL Ap Ft Kk Ma Ny Tc Wz Avg % obs. time: 26 26 44 38 38 26 35 33 % cal. time: 2 1 2 2 2 1 2 2 % slew time: 51 24 11 20 14 3 9 19 % idle time: 20 47 42 38 44 68 52 44 # of tapes : .8 3.3 1.5 1.3 1.3 .9 1.2 total # scans: 194 135 192 212 213 91 223 180 # scans/hour : 8 5 8 8 8 3 9 7.5 Avg scan (sec): 116 166 197 155 155 255 137 168 tape change times (hhmm): 0000 0130 1051 1402 1337 0000 1512 0000 0835 0000 0000 0000 0000 0000 0000 1604 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Ma Ny Tc Wz StnTotal ------------------------------------------ Ap|194 81 124 84 111 46 98 544 Ft| 135 33 97 62 53 93 419 Kk| 192 46 104 55 59 421 Ma| 212 149 22 206 604 Ny| 213 6 166 598 Tc| 91 23 205 Wz| 223 645 Number of 2-station scans: 125 Number of 3-station scans: 106 Number of 4-station scans: 79 Number of 5-station scans: 57 Number of 6-station scans: 14 Number of 7-station scans: 1 Total # of scans, observations: 382 1718 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK KOKEE MATERA 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 Ap ALGOPARK 17400feet (Thin ) 56250. (High) Ft FORTLEZA 8700feet (Thick) 33333. (Low ) Kk KOKEE 17400feet (Thin ) 56250. (High) Ma MATERA 17400feet (Thin ) 56250. (High) Ny NYALES20 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 Kk Ma Ny Tc Ap Ft Kk Ma Ny Tc Ft 20 Ft 15 Kk 20 20 Kk 15 15 Ma 20 20 20 Ma 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