Session Notes for session: r4063 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4063 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-079-18:30:00 Nominal end: 2003-080-18:45:00 Current yyyyddd: 2003079 (2003.22) ( 12719 MJD, THUR 20MAR.) Greenwich sidereal time: 6:21:30.54 (18:30: 0 UT) Sun's RA and DEC: 23h 59.0m 0d 6.3 ========================================================== The following sources were included for research purposes: 1522+155, 1901+155, 0748+126, 1307+121 =========================================================== First observations Observation listing from file ./r4063.skd for experiment R4063 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ma Ny Sv Wz 0059+581 03079-183000| 98 660 354 660 221 307 147 180| 1156+295 03079-183817| 98 98 98 98 98| 1741-038 03079-184323| 98 98 | 0727-115 03079-184429| 98 98 98 98| 2136+141 03079-184654| 98 98 98 98 | End of listing. =========================================================== Last observations Observation listing from file ./r4063.skd for experiment R4063 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ma Ny Sv Wz 3C274 03080-182519| 191 191 98 143| End of listing. Observation listing from file ./r4063.skd for experiment R4063 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ma Ny Sv Wz 1611+343 03080-181142| 98 98 98 98 | 1749+096 03080-181441| 98 98 | 2201+315 03080-181757| 123 123 | 2136+141 03080-182205| 98 98 98 98 | 3C446 03080-182506| 98 98 98 98 | 3C274 03080-182519| 191 191 98 143| End of listing. =========================================================== SKED Summary from file ./r4063.skd for experiment R4063 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 3.7 Min = .0 Max = 35.1 (Baseline Ny-Sv on 1741-038) RMS = 5.6 Total time: 1438 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Gc=GILCREEK Kk=KOKEE Ma=MATERA Ny=NYALES20 Sv=SVETLOE Wz=WETTZELL Ap Ft Gc Kk Ma Ny Sv Wz Avg % obs. time: 25 27 37 32 40 41 28 36 33 % cal. time: 2 1 2 1 2 2 2 2 2 % slew time: 50 19 17 10 18 13 33 8 21 % idle time: 21 51 42 54 38 42 35 52 42 # of tapes : .4 1.6 .6 .5 .7 .6 2.6 .6 total # scans: 199 116 222 170 195 208 214 212 192 # scans/hour : 8 4 9 7 8 8 8 8 8.0 Avg scan (sec): 111 202 145 166 180 170 116 150 155 tape change times (hhmm): 0000 0901 0000 0000 0000 0000 1844 0000 0000 0000 0000 0000 0000 0000 1000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk Ma Ny Sv Wz StnTotal ---------------------------------------------- Ap|199 94 140 106 90 128 116 107 781 Ft| 116 54 33 84 65 74 86 490 Gc| 222 156 93 159 129 111 842 Kk| 170 44 103 75 62 579 Ma| 195 140 168 194 813 Ny| 208 175 157 927 Sv| 214 184 921 Wz| 212 901 Number of 2-station scans: 76 Number of 3-station scans: 58 Number of 4-station scans: 75 Number of 5-station scans: 43 Number of 6-station scans: 44 Number of 7-station scans: 49 Number of 8-station scans: 11 Total # of scans, observations: 356 3127 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK GILCREEK KOKEE MATERA NYALES20 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 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) Ny NYALES20 17400feet (Thin ) 56250. (High) Sv SVETLOE 8700feet (Thick) 33333. (Low ) 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 Ny Sv Ap Ft Gc Kk Ma Ny Sv 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 Ny 20 20 20 20 20 Ny 15 15 15 15 15 Sv 20 20 20 20 20 20 Sv 15 15 15 15 15 15 Wz 20 20 20 20 20 20 20 Wz 15 15 15 15 15 15 15