Session Notes for session: r4088 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4088 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-254-18:30:00 Nominal end: 2003-255-18:45:00 Current yyyyddd: 2003254 (2003.70) ( 12894 MJD, THUR 11SEP.) Greenwich sidereal time: 17:51:27.73 (18:30: 0 UT) Sun's RA and DEC: 11h 18.1m 4d 30.3 ========================================================== The following sources were included for research purposes: 0059+581 and 1300+580 The following were deleted: 1117+146, 1144-379, 0405-385, 0610+171, 0959-443, 1204+124, 1451-375, NGC3862, NGC6251, 1647-296, 1920-154, 1922+155 =========================================================== First observations Observation listing from file ./r4088.skd for experiment R4088 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz 1611+343 03254-183000| 98 98 98 98 98| 0727-115 03254-183000| 98 98 | 0133+476 03254-183401| 98 98 98 98| 2149+056 03254-183736| 98 98| 1334-127 03254-183853| 100 273 273 | End of listing. =========================================================== Last observations Observation listing from file ./r4088.skd for experiment R4088 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz CTA26 03255-182435| 98 98 | End of listing. Observation listing from file ./r4088.skd for experiment R4088 Source Start DURATIONS name yyddd-hhmmss Ap Ft Gc Kk Ny Tc Wz 0552+398 03255-181658| 98 98 98 98 | 1308+326 03255-182018| 98 98 | 2136+141 03255-182104| 98 98| 2201+315 03255-182325| 98 98| 1255-316 03255-182417| 98 98 | CTA26 03255-182435| 98 98 | End of listing. =========================================================== SKED Summary from file ./r4088.skd for experiment R4088 (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 = 54.1 (Baseline Ny-Wz on CTA26 ) RMS = 4.8 Total time: 1436 minutes ( 23.9 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Gc=GILCREEK Kk=KOKEE Ny=NYALES20 Tc=TIGO Wz=WETTZELL Ap Ft Gc Kk Ny Tc Wz Avg % obs. time: 24 22 39 43 37 21 38 32 % cal. time: 2 1 2 2 2 0 2 2 % slew time: 55 22 18 12 15 2 9 19 % idle time: 17 54 38 41 43 74 49 45 # of tapes : .8 2.8 1.3 1.4 1.2 .8 1.3 total # scans: 188 120 252 221 232 73 219 186 # scans/hour : 7 5 10 9 9 3 9 7.8 Avg scan (sec): 114 159 136 168 140 259 152 161 tape change times (hhmm): 0000 0301 1359 1209 1414 0000 1351 0000 1155 0000 0000 0000 0000 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Gc Kk Ny Tc Wz StnTotal ------------------------------------------ Ap|188 68 136 113 115 36 96 564 Ft| 120 40 29 51 47 85 320 Gc| 252 191 170 17 120 674 Kk| 221 117 39 71 560 Ny| 232 6 181 640 Tc| 73 21 166 Wz| 219 574 Number of 2-station scans: 149 Number of 3-station scans: 90 Number of 4-station scans: 89 Number of 5-station scans: 64 Number of 6-station scans: 9 Number of 7-station scans: 1 Total # of scans, observations: 402 1749 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK GILCREEK KOKEE 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 ) Gc GILCREEK 17400feet (Thin ) 56250. (High) Kk KOKEE 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 Gc Kk Ny Tc Ap Ft Gc Kk Ny Tc Ft 20 Ft 15 Gc 20 20 Gc 15 15 Kk 20 20 20 Kk 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