Session Notes for R1 (Rapid Turnaround Monday) session: r1125 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2004.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1125 Experiment description: IVS-R1 Scheduler: NASA Correlator: WACO Nominal start: 2004-153-17:00:00 Nominal end: 2004-154-17:00:00 Current yyyyddd: 2004153 (2004.42) ( 13158 MJD, TUES 1JUN.) Greenwich sidereal time: 9:42: 3.00 (17: 0: 0 UT) Sun's RA and DEC: 4h 40.0m 22d 9.9 =========================================================== There are no observations for Wettzell from 18:00 U.T. to 20:00 U.T. Wettzell will participate in the intensive session during this two hour period. =========================================================== Fairbanks was tagged along to this session. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Ny Tc Ts Wf Wz CTA26 04153-170000| 190 190 157 | 3C371 04153-170000| 60 40 60| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ny Tc Ts Wf Wz 1417+385 04154-164359| 77 85 50 85| 0727-115 04154-164434| 46 46 | 1155+251 04154-164614| 80 80| 1128+385 04154-164817| 50 40 50 47| 1300+580 04154-164954| 55 40 55 55| 1044+719 04154-165138| 40 40 116 116| 1351-018 04154-165444| 40 40| =========================================================== SKED Summary from file ./r1125.skd for experiment R1125 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 10.6 Min = .0 Max = 102.9 (Baseline Ts-Wz on 1958-179) RMS = 12.5 Total time: 1435 minutes ( 23.9 hours). Key: Gc=GILCREEK Ny=NYALES20 Tc=TIGO Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Ny Tc Ts Wf Wz Avg % obs. time: 24 42 30 30 48 39 35 % cal. time: 4 6 2 5 5 5 4 % slew time: 21 26 7 20 21 15 18 % idle time: 49 23 58 43 24 40 40 total # scans: 357 584 211 465 472 477 427 # scans/hour : 14 24 8 19 19 19 17.8 Avg scan (sec): 59 63 125 55 87 70 76 Total GBytes: 894 1540 1027 1097 1657 1381 1267 Total GB(M5): 795 1369 913 975 1473 1228 1126 # of tapes : 1.7 2.4 1.7 1.7 2.6 2.2 tape change times (hhmm): 0720 0255 0747 0738 0218 0521 0000 1252 0000 0000 1123 1537 Total number of tapes: 12.4 Total GBytes (M5) recorded: 6755.4 # OF OBSERVATIONS BY BASELINE | Gc Ny Tc Ts Wf Wz StnTotal -------------------------------------- Gc|357 323 30 241 223 206 1023 Ny| 584 19 368 274 363 1347 Tc| 211 41 154 54 298 Ts| 465 148 234 1032 Wf| 472 237 1036 Wz| 477 1094 Number of 2-station scans: 372 Number of 3-station scans: 254 Number of 4-station scans: 171 Number of 5-station scans: 74 Number of 6-station scans: 1 Total # of scans, observations: 872 2915 =========================================================== 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: NYALES20 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 Speed ID Station Tape length Speed Gc GILCREEK 17400feet (Thin ) 56700. (High) 12 Ny NYALES20 17400feet (Thin ) 56250. (High) 14 Tc TIGOCONC 17400feet (Thin ) 56250. (High) 14 Ts TSUKUB32 17400feet (Thin ) 56250. (High) 14 Wf WESTFORD 17400feet (Thin ) 56250. (High) 14 Wz WETTZELL 17400feet (Thin ) 56250. (High) 14 =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 3) Gc Ny Tc Ts Wf Gc Ny Tc Ts Wf Ny 20 Ny 15 Tc 15 15 Tc 12 12 Ts 20 20 15 Ts 15 15 12 Wf 20 20 15 20 Wf 15 15 12 15 Wz 20 20 15 20 20 Wz 15 15 12 15 15