Session Notes for R1 (Rapid Turnaround Monday) session: r1067 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 R1067 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2003-111-17:00:00 Nominal end: 2003-112-17:00:00 Current yyyyddd: 2003111 (2003.30) ( 12751 MJD, MON. 21APR.) Greenwich sidereal time: 6:57:25.52 (17: 0: 0 UT) Sun's RA and DEC: 1h 56.2m 11d 53.1 =========================================================== The following sources were included for research purposes: 1444+175 (105 observations) 2013+163 (81 observations) 2022+171 (93 observations) =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Kk Ma Tc Ts Wf Wz 0454-234 03111-170000| 105 125 81 125| NRAO512 03111-170000| 40 40 40 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Kk Ma Tc Ts Wf Wz 1749+096 03112-164342| 40 40 40 | 0003-066 03112-164658| 40 40 40 | 0727-115 03112-164706| 84 84 83| =========================================================== SKED Summary from file ./r1067.skd for experiment R1067 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 4.8 Min = .0 Max = 25.2 (Baseline Ma-Wz on 1444+175) RMS = 5.7 Total time: 1428 minutes ( 23.8 hours). Key: Gc=GILCREEK Kk=KOKEE Ma=MATERA Tc=TIGO Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Kk Ma Tc Ts Wf Wz Avg % obs. time: 29 35 34 19 23 40 32 30 % cal. time: 5 5 4 1 5 4 4 4 % slew time: 28 23 33 4 20 19 14 20 % idle time: 37 36 27 75 50 34 47 44 # of tapes : 1.7 2.0 1.9 1.1 1.4 2.3 1.9 total # scans: 441 447 395 113 441 402 418 379 # scans/hour : 18 18 16 4 18 16 17 15.8 Avg scan (sec): 56 67 74 146 45 86 67 77 tape change times (hhmm): 0822 0525 0519 1611 1113 0409 0558 0000 0000 0000 0000 0000 1410 0000 # OF OBSERVATIONS BY BASELINE | Gc Kk Ma Tc Ts Wf Wz StnTotal ------------------------------------------ Gc|441 355 184 26 328 270 213 1376 Kk| 447 107 66 331 237 132 1228 Ma| 395 38 195 240 385 1149 Tc| 113 11 83 38 262 Ts| 441 171 208 1244 Wf| 402 262 1263 Wz| 418 1238 Number of 2-station scans: 163 Number of 3-station scans: 301 Number of 4-station scans: 144 Number of 5-station scans: 72 Number of 6-station scans: 82 Number of 7-station scans: 0 Total # of scans, observations: 762 3880 =========================================================== 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: KOKEE Mode Tot.Rate Tot.BandW #chan #bits Barrel VLBA1:2 256.000 Mbits 128.000 MHz 14 1 16:1 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: 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) Kk KOKEE 17400feet (Thin ) 56700. (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 Kk Ma Tc Ts Wf Gc Kk Ma Tc Ts Wf Kk 20 Kk 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