Session Notes for R1 (Rapid Turnaround Monday) session: r1148 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 R1148 Experiment description: IVS-R1 Scheduler: NASA Correlator: HAYSTACK Nominal start: 2004-313-17:00:00 Nominal end: 2004-314-17:00:00 Current yyyyddd: 2004313 (2004.86) ( 13318 MJD, MON. 8NOV.) Greenwich sidereal time: 20:12:52.00 (17: 0: 0 UT) Sun's RA and DEC: 14h 56.7m -16d 48.5 =========================================================== 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 Ny Ts Wf Wz 1216+487 04313-170000| 165 200 83 200 195| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ny Ts Wf Wz 0952+179 04314-164252| 200 200 199 200 | OQ208 04314-164731| 40 40 40 40| =========================================================== SKED Summary from file ./r1148.skd for experiment R1148 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 11.7 Min = .0 Max = 102.9 (Baseline Ts-Wz on 1958-179) RMS = 11.2 Total time: 1428 minutes ( 23.8 hours). Key: Gc=GILCREEK Ny=NYALES20 Ts=TSUKUB32 Wf=WESTFORD Wz=WETTZELL Gc Ny Ts Wf Wz Avg % obs. time: 43 22 34 35 31 33 % cal. time: 7 4 6 5 5 5 % slew time: 29 17 21 21 14 21 % idle time: 19 55 37 37 48 39 total # scans: 611 344 528 485 449 483 # scans/hour : 25.7 14.5 22.2 20.4 18.9 20.3 Avg scan (sec): 60 57 56 62 60 59 Total GBytes: 1550 830 1262 1269 1134 1209 Total GB(M5): 1378 738 1122 1128 1008 1075 # of tapes : 2.8 1.3 2.0 2.0 1.8 tape change times (hhmm): 0156 1205 0511 0555 0637 1029 0000 0000 0000 0000 Total number of tapes: 9.9 Total GBytes (M5) recorded: 5375.3 # OF OBSERVATIONS BY BASELINE | Gc Ny Ts Wf Wz StnTotal ---------------------------------- Gc|611 279 432 344 221 1276 Ny| 344 240 215 226 960 Ts| 528 176 248 1096 Wf| 485 298 1033 Wz| 449 993 Number of 2-station scans: 402 Number of 3-station scans: 215 Number of 4-station scans: 152 Number of 5-station scans: 72 Total # of scans, observations: 841 2679 =========================================================== 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 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 =========================================================== Monitoring Sources Source Min Max Actual Num #Scans 1432+200 1.00 1.50 .60 16 12 0952+179 1.00 1.50 1.38 37 14 1639+230 1.00 1.50 .75 20 14 0300+470 1.00 1.50 1.61 43 9 1216+487 1.00 1.50 1.05 28 6 0738+313 1.00 1.50 .78 21 13 0609+607 1.00 1.50 1.05 28 7 0446+112 1.00 1.50 1.72 46 20 1928+738 1.00 1.50 1.57 42 5 NGC0262 1.00 1.50 1.01 27 11 Total 11.50 308 111 =========================================================== Minor Options Option Norm Wt Aux_Parm Astro Abs 3.00 BegScan Rel 1.00 EndScan Rel 1.00 StatIdle Abs 3.00 StatWt Abs 1.00 FFFFF =========================================================== Major Options SkyCov Yes Min_Between 20 Best% 60.0 Last_Hrs 1.00 Add_ps 30.00 Obs_Wts SNRwt =========================================================== Tape types ID Station Tape length Density Passes Gc GILCREEK 17400feet (Thin ) 56700 (HIGH ) 12 Ny NYALES20 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 Ts Wf Gc Ny Ts Wf Ny 20 Ny 15 Ts 20 20 Ts 15 15 Wf 20 20 20 Wf 15 15 15 Wz 20 20 20 20 Wz 15 15 15 15