Session Notes for R1 (Rapid Turnaround Monday) session: r1156 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2005.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1156 Experiment description: IVS-R1 Scheduler: NASA Correlator: Please see master schedule Nominal start: 2005-003-17:00:00 Nominal end: 2005-004-17:00:00 Current yyyyddd: 2005003 (2005.01) ( 13374 MJD, MON. 3JAN.) Greenwich sidereal time: 23:53:39.00 (17: 0: 0 UT) Sun's RA and DEC: 18h 58.3m -22d 45.7 =========================================================== There is no intensive session scheduled for January 3 because it is a holiday for Kokee. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Mc Sh Tc Wf Wz 0602+673 05003-170000| 60 40 77 77| 1958-179 05003-170000| 75 87 87 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Mc Sh Tc Wf Wz 0607-157 05004-163506| 40 40 | DA426 05004-163639| 70 109 200 200| 1739+522 05004-164222| 40 40 40 40| 1923+210 05004-164420| 66 113 113| 1741-038 05004-164659| 40 40 | 1749+096 05004-164822| 95 125 125 | CTA26 05004-165009| 40 40 40| =========================================================== SKED Summary from file ./r1156.skd for experiment R1156 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 6.8 Min = .0 Max = 72.0 (Baseline Sh-Wz on 1244-255) RMS = 8.3 Total time: 1430 minutes ( 23.8 hours). Key: Gc=GILCREEK Hh=HARTRAO Mc=MEDICINA Sh=SESHAN25 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Mc Sh Tc Wf Wz Avg % obs. time: 21 25 32 28 24 37 41 30 % cal. time: 2 2 4 2 1 3 3 2 % slew time: 12 42 38 33 7 14 11 22 % idle time: 63 29 24 36 66 45 43 44 total # scans: 185 200 374 186 168 289 342 249 # scans/hour : 7.8 8.4 15.7 7.8 7.0 12.1 14.4 10.5 Avg scan (sec): 100 110 74 130 124 109 103 107 Total GBytes: 733 868 1143 937 813 1247 1391 1019 Total GB(M5): 652 771 1016 833 722 1108 1237 906 # of tapes : 1.4 1.4 1.9 1.6 1.4 2.0 2.3 tape change times (hhmm): 1025 0932 0549 0838 1006 0453 0408 0000 0000 0000 0000 0000 0000 1437 Total number of tapes: 11.9 Total GBytes (M5) recorded: 6342.9 # OF OBSERVATIONS BY BASELINE | Gc Hh Mc Sh Tc Wf Wz StnTotal ------------------------------------------ Gc|185 8 146 95 23 135 137 544 Hh| 200 126 48 71 36 105 394 Mc| 374 127 49 180 322 950 Sh| 186 2 57 118 447 Tc| 168 116 40 301 Wf| 289 173 697 Wz| 342 895 Number of 2-station scans: 189 Number of 3-station scans: 181 Number of 4-station scans: 132 Number of 5-station scans: 59 Number of 6-station scans: 0 Number of 7-station scans: 0 Total # of scans, observations: 561 2114 =========================================================== 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 MEDICINA 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 =========================================================== Monitoring Sources Source Min Max Actual Num #Scans 1555+001 1.00 1.50 1.18 25 5 1038+52B 1.00 1.50 1.99 42 5 2355-106 1.00 1.50 1.09 23 6 0859-140 1.00 1.50 .57 12 5 NRAO190 1.00 1.50 .80 17 4 1244-255 1.00 1.50 .61 13 6 1856+736 1.00 1.50 1.89 40 16 1038+064 1.00 1.50 .99 21 4 CL4 1.00 1.50 2.13 45 9 0003+380 1.00 1.50 2.03 43 9 Total 13.29 281 69 =========================================================== 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 FFFFT FF =========================================================== 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 Hh HARTRAO 17400feet (Thin ) 56250 (HIGH ) 14 Mc MEDICINA 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 Mc Sh Tc Wf Gc Hh Mc Sh Tc Wf Hh 20 Hh 15 Mc 20 20 Mc 15 15 Sh 20 20 20 Sh 15 15 15 Tc 15 15 15 15 Tc 12 12 12 12 Wf 20 20 20 20 15 Wf 15 15 15 15 12 Wz 20 20 20 20 15 20 Wz 15 15 15 15 12 15