Session Notes for R1 (Rapid Turnaround Monday) session: r1051 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2002.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1051 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2002-364-17:00:00 Nominal end: 2002-365-17:00:00 Current yyyyddd: 2002364 (2003.00) ( 12639 MJD, MON. 30DEC.) Greenwich sidereal time: 23:35:51.32 (17: 0: 0 UT) Sun's RA and DEC: 18h 38.4m -23d 8.7 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Wf Wz 2209+236 02364-170000| 119 119 62 | 2136+141 02364-170000| 190 190 190| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Wf Wz 3C446 02365-161902| 71 71 85 85 65| OQ208 02365-162148| 40 40 | 2255-282 02365-162223| 65 59 65| 3C274 02365-162322| 43 43 | 2134+00 02365-162427| 40 40| 1351-018 02365-162509| 61 61 | 0048-097 02365-162632| 50 50 41| 2113+293 02365-162814| 172 172| 2234+282 02365-163149| 124 124 40 44 40| NRAO512 02365-163519| 40 48 48 40| 1128+385 02365-163731| 40 40 | CTA26 02365-163859| 40 40 40| 0955+476 02365-164035| 40 40 40| 1357+769 02365-164212| 40 40 40 40| 1300+580 02365-164346| 40 58 58 40| 0059+581 02365-164604| 40 41 41 40| 0552+398 02365-164812| 40 40 40| 1923+210 02365-165121| 40 40 | =========================================================== SKED Summary from file ./r1051.skd for experiment R1051 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 4.9 Min = .0 Max = 22.7 (Baseline Tc-Wf on 0552+398) RMS = 6.0 Total time: 1432 minutes ( 23.9 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Tc Wf Wz Avg % obs. time: 33 14 35 16 42 36 29 % cal. time: 4 1 4 1 5 5 3 % slew time: 24 31 33 3 19 15 21 % idle time: 37 51 26 78 33 42 44 # of tapes : 1.9 .9 2.0 .9 2.4 2.1 total # scans: 407 163 413 98 431 458 328 # scans/hour : 17 6 17 4 18 19 13.7 Avg scan (sec): 71 75 73 147 83 69 86 tape change times (hhmm): 0603 0000 0507 0000 0413 0418 0000 0000 0000 0000 1405 1607 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Tc Wf Wz StnTotal -------------------------------------- Gc|407 16 219 43 346 274 898 Hh| 163 158 34 59 145 412 Ma| 413 43 233 400 1053 Tc| 98 90 43 253 Wf| 431 272 1000 Wz| 458 1134 Number of 2-station scans: 195 Number of 3-station scans: 208 Number of 4-station scans: 181 Number of 5-station scans: 44 Number of 6-station scans: 2 Total # of scans, observations: 630 2375 =========================================================== Recording mode Name Code GEOSX4F 4F Recording mode setup for: GILCREEK Mode Tot.Rate Tot.BandW #chan #bits Barrel VLBA1:2 256.000 Mbits 128.000 MHz 14 1 8:1 Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: HARTRAO MATERA TIGOCONC WESTFORD WETTZELL Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 256.000 Mbits 128.000 MHz 14 1 16 Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 =========================================================== Tape types ID Station Tape length Density Gc GILCREEK 17400feet (Thin ) 56700. (High) Hh HARTRAO 17400feet (Thin ) 56250. (High) Ma MATERA 17400feet (Thin ) 56250. (High) Tc TIGOCONC 17400feet (Thin ) 56250. (High) Wf WESTFORD 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 5) Gc Hh Ma Tc Wf Gc Hh Ma Tc Wf Hh 20 Hh 15 Ma 20 20 Ma 15 15 Tc 20 20 20 Tc 15 15 15 Wf 20 20 20 20 Wf 15 15 15 15 Wz 20 20 20 20 20 Wz 15 15 15 15 15