Session Notes for R1 (Rapid Turnaround Monday) session: r1066 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2003.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1066 Experiment description: IVS-R1 Scheduler: NASA Correlator: HAYSTACK Nominal start: 2003-104-17:00:00 Nominal end: 2003-105-17:00:00 Current yyyyddd: 2003104 (2003.28) ( 12744 MJD, MON. 14APR.) Greenwich sidereal time: 6:29:49.64 (17: 0: 0 UT) Sun's RA and DEC: 1h 30.2m 9d 26.1 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Ts Wf Wz 0003-066 03104-170000| 98 155 155 | 4C39.25 03104-170000| 40 40 40 40| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Tc Ts Wf Wz 1128+385 03105-164124| 40 40 40 40 40| 0133+476 03105-164408| 98 158 158 134 141| =========================================================== SKED Summary from file ./r1066.skd for experiment R1066 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 4.7 Min = .0 Max = 22.2 (Baseline Ts-Wz on 3C418 ) RMS = 5.8 Total time: 1425 minutes ( 23.8 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Tc=TIGO Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Tc Ts Wf Wz Avg % obs. time: 31 10 33 11 28 36 26 25 % cal. time: 5 1 4 1 5 4 4 3 % slew time: 28 34 32 4 23 15 14 21 % idle time: 35 53 30 83 42 43 53 48 # of tapes : 1.8 .6 1.9 .6 1.7 2.0 1.6 total # scans: 458 165 381 102 486 372 395 337 # scans/hour : 19 6 16 4 20 15 16 14.0 Avg scan (sec): 57 56 74 97 50 84 58 68 tape change times (hhmm): 0720 0000 0600 0000 0751 0456 0907 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Tc Ts Wf Wz StnTotal ------------------------------------------ Gc|458 21 256 38 390 320 283 1308 Hh| 165 132 23 89 27 113 405 Ma| 381 27 274 239 361 1289 Tc| 102 27 74 26 215 Ts| 486 254 295 1329 Wf| 372 263 1177 Wz| 395 1341 Number of 2-station scans: 193 Number of 3-station scans: 122 Number of 4-station scans: 128 Number of 5-station scans: 213 Number of 6-station scans: 5 Number of 7-station scans: 0 Total # of scans, observations: 661 3532 =========================================================== 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 Recording mode setup for: TSUKUB32 Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 256.000 Mbits 128.000 MHz 14 1 NONE 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) Ts TSUKUB32 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 Ts Wf Gc Hh Ma Tc Ts Wf Hh 20 Hh 15 Ma 20 20 Ma 15 15 Tc 20 20 20 Tc 15 15 15 Ts 20 20 20 20 Ts 15 15 15 15 Wf 20 20 20 20 20 Wf 15 15 15 15 15 Wz 20 20 20 20 20 20 Wz 15 15 15 15 15 15