Session Notes for R1 (Rapid Turnaround Monday) session: r1099 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 R1099 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2003-335-17:00:00 Nominal end: 2003-336-17:00:00 Current yyyyddd: 2003335 (2003.92) ( 12975 MJD, MON. 1DEC.) Greenwich sidereal time: 21:40:33.93 (17: 0: 0 UT) Sun's RA and DEC: 16h 29.5m -21d 48.7 =========================================================== 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. =========================================================== The following sources were included for research purposes: 0358+210 (49 observations), 1013+208 (50 observations), 2246+208 (39 observations), 2214+241 (37 observations), 1645+224 (40 observations). =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 1606+106 03335-170000| 167 167 111 | 0106+013 03335-170000| 80 40 80 40| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 1606+106 03336-161654| 162 190 190 111 190| 4C39.25 03336-162134| 40 107 107 | CTA26 03336-162246| 40 40 | OQ208 03336-162415| 40 40 40| 1300+580 03336-162545| 58 115 138 138 106| 1357+769 03336-162933| 55 101 122 122 88| 0059+581 03336-163358| 40 40 40 40 40| 1739+522 03336-163622| 40 40 40 40| 0955+476 03336-163822| 40 57 57 52| NRAO512 03336-164034| 85 95 95 46| 0552+398 03336-164422| 40 40 40 40| 0602+673 03336-164600| 103 156 156 75| 1156+295 03336-164929| 40 120 120 | 1351-018 03336-165216| 53 53 | =========================================================== SKED Summary from file ./r1099.skd for experiment R1099 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 3.4 Min = .0 Max = 22.7 (Baseline Tc-Wz on 0552+398) RMS = 4.6 Total time: 1433 minutes ( 23.9 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Sh=SESHAN25 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Sh Tc Wf Wz Avg % obs. time: 33 19 37 23 19 41 32 29 % cal. time: 4 2 4 2 1 4 3 3 % slew time: 24 35 30 44 4 17 12 24 % idle time: 37 43 28 29 74 36 51 43 # of tapes : 1.9 1.1 2.1 1.3 1.1 2.3 1.8 total # scans: 365 175 345 214 118 378 332 275 # scans/hour : 15 7 14 8 4 15 13 11.5 Avg scan (sec): 79 94 93 94 140 94 83 96 tape change times (hhmm): 0553 1516 0359 1259 1606 0408 0742 0000 0000 1606 0000 0000 1439 0000 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Sh Tc Wf Wz StnTotal ------------------------------------------ Gc|365 12 165 165 42 278 182 844 Hh| 175 153 53 44 59 122 443 Ma| 345 104 52 215 298 987 Sh| 214 2 82 104 510 Tc| 118 97 51 288 Wf| 378 225 956 Wz| 332 982 Number of 2-station scans: 218 Number of 3-station scans: 130 Number of 4-station scans: 157 Number of 5-station scans: 91 Number of 6-station scans: 3 Number of 7-station scans: 0 Total # of scans, observations: 599 2505 =========================================================== 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 MATERA 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 Density Gc GILCREEK 17400feet (Thin ) 56700. (High) Hh HARTRAO 17400feet (Thin ) 56250. (High) Ma MATERA 17400feet (Thin ) 56250. (High) Sh SESHAN25 17400feet (Thin ) 56250. (High) Tc TIGOCONC 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 3) Gc Hh Ma Sh Tc Wf Gc Hh Ma Sh Tc Wf Hh 20 Hh 15 Ma 20 20 Ma 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