Session Notes for R1 (Rapid Turnaround Monday) session: r1049 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2002.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1049 Experiment description: IVS-R1 Scheduler: NASA Correlator: BONN Nominal start: 2002-343-17:00:00 Nominal end: 2002-344-17:00:00 Current yyyyddd: 2002343 (2002.94) ( 12618 MJD, MON. 9DEC.) Greenwich sidereal time: 22:13: 3.66 (17: 0: 0 UT) Sun's RA and DEC: 17h 5.4m -22d 50.8 =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Ma Ny Tc Wf Wz 1749+096 02343-170000| 190 190 190 190 145 190| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Ma Ny Tc Wf Wz 1334-127 02344-162134| 190 190 | 2255-282 02344-162232| 40 40| 2318+049 02344-162414| 66 66 58| 0106+013 02344-162625| 40 40 40| 1219+044 02344-162707| 100 100 | CTA26 02344-162807| 40 40| OQ208 02344-162942| 40 40 40 | 1357+769 02344-163155| 40 40 40 40 40| 0235+164 02344-163452| 40 40 40| 0133+476 02344-163640| 40 40 40 40 40| 0528+134 02344-163838| 40 40 | 0048-097 02344-163859| 40 40| 0955+476 02344-164202| 40 40 40 40| 0059+581 02344-164413| 40 40 40 40 40| 0014+813 02344-164607| 123 147 147 123| 1300+580 02344-164938| 40 63 40 63 40| =========================================================== SKED Summary from file ./r1049.skd for experiment R1049 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 6.2 Min = .0 Max = 180.0 (Baseline Ny-Wz on CTA26 ) RMS = 9.1 Total time: 1430 minutes ( 23.8 hours). Key: Gc=GILCREEK Ma=MATERA Ny=NYALES20 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Ma Ny Tc Wf Wz Avg % obs. time: 32 33 36 14 38 33 31 % cal. time: 5 4 5 1 4 5 4 % slew time: 28 33 25 3 20 15 21 % idle time: 34 27 32 81 36 45 43 # of tapes : 1.9 1.9 2.4 .9 2.1 1.9 total # scans: 436 422 491 86 424 472 388 # scans/hour : 18 17 20 3 17 19 16.2 Avg scan (sec): 63 68 63 146 77 60 79 tape change times (hhmm): 0603 0557 0303 0000 0500 0537 0000 0000 1319 0000 1536 0000 # OF OBSERVATIONS BY BASELINE | Gc Ma Ny Tc Wf Wz StnTotal -------------------------------------- Gc|436 225 378 33 324 269 1229 Ma| 422 328 38 256 418 1265 Ny| 491 26 308 379 1419 Tc| 86 80 39 216 Wf| 424 287 1255 Wz| 472 1392 Number of 2-station scans: 195 Number of 3-station scans: 158 Number of 4-station scans: 124 Number of 5-station scans: 181 Number of 6-station scans: 11 Total # of scans, observations: 669 3388 =========================================================== 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: MATERA 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 =========================================================== Tape types ID Station Tape length Density Gc GILCREEK 17400feet (Thin ) 56700. (High) Ma MATERA 17400feet (Thin ) 56250. (High) Ny NYALES20 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 5) Gc Ma Ny Tc Wf Gc Ma Ny Tc Wf Ma 20 Ma 15 Ny 20 20 Ny 15 15 Tc 20 20 20 Tc 15 15 15 Wf 20 20 20 20 Wf 15 15 15 15 Wz 20 20 20 20 20 Wz 15 15 15 15 15