Session Notes for R1 (Rapid Turnaround Monday) session: r1127 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 R1127 Experiment description: IVS-R1 Scheduler: NASA Correlator: HAYSTACK Nominal start: 2004-166-17:00:00 Nominal end: 2004-167-17:00:00 Current yyyyddd: 2004166 (2004.45) ( 13171 MJD, MON. 14JUN.) Greenwich sidereal time: 10:33:18.00 (17: 0: 0 UT) Sun's RA and DEC: 5h 33.7m 23d 18.0 =========================================================== 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. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Sh Tc Wf Wz 0722+145 04166-170000| 126 190 190 162| 1611+343 04166-170000| 40 40 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Sh Tc Wf Wz 1124-186 04167-163750| 190 190 190| 0749+540 04167-164203| 72 119 119| 0955+476 04167-164535| 40 40 40| 1334-127 04167-164627| 40 40 | M84 04167-164924| 87 87| =========================================================== SKED Summary from file ./r1127.skd for experiment R1127 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 6.7 Min = .0 Max = 68.6 (Baseline Sh-Tc on 0607-157) RMS = 8.7 Total time: 1431 minutes ( 23.9 hours). Key: Gc=GILCREEK Hh=HARTRAO Sh=SESHAN25 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Sh Tc Wf Wz Avg % obs. time: 22 32 33 32 49 45 36 % cal. time: 2 2 2 2 4 4 3 % slew time: 14 47 39 7 18 14 23 % idle time: 60 17 25 58 27 35 37 total # scans: 218 249 234 212 358 360 271 # scans/hour : 9 10 9 8 15 15 11.3 Avg scan (sec): 90 112 121 129 119 108 113 Total GBytes: 789 1096 1104 1066 1671 1539 1211 Total GB(M5): 701 974 981 947 1485 1368 1077 # of tapes : 1.5 1.8 1.8 1.7 2.7 2.5 tape change times (hhmm): 0933 0641 0703 0540 0137 0355 0000 0000 0000 0000 1038 1256 Total number of tapes: 12.0 Total GBytes (M5) recorded: 6460.0 # OF OBSERVATIONS BY BASELINE | Gc Hh Sh Tc Wf Wz StnTotal -------------------------------------- Gc|218 6 113 32 164 151 466 Hh| 249 81 76 47 125 335 Sh| 234 1 74 129 398 Tc| 212 152 45 306 Wf| 358 173 610 Wz| 360 623 Number of 2-station scans: 346 Number of 3-station scans: 257 Number of 4-station scans: 42 Number of 5-station scans: 0 Number of 6-station scans: 0 Total # of scans, observations: 645 1369 =========================================================== 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 SESHAN25 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 Speed ID Station Tape length Speed Gc GILCREEK 17400feet (Thin ) 56700. (High) 12 Hh HARTRAO 17400feet (Thin ) 56250. (High) 14 Sh SESHAN25 17400feet (Thin ) 56250. (High) 14 Tc TIGOCONC 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 Hh Sh Tc Wf Gc Hh Sh Tc Wf Hh 20 Hh 15 Sh 20 20 Sh 15 15 Tc 15 15 15 Tc 12 12 12 Wf 20 20 20 15 Wf 15 15 15 12 Wz 20 20 20 15 20 Wz 15 15 15 12 15