IVS-T2091 (International VLBI Service - Terrestical Reference Frame Observations) 2013 Aug,20-21 doy 232-233 Institute for Geodesy and Geoinformation (IGGB) of the University of Bonn, Germany Nominal Start Time: 2013:232:17h30 UT Nominal End Time: 2013:233:17h30 UT Duration: 24.0 hr Correlator: HAYS skedfile: t2091.skd Participating stations (22): ====================== AIRA CHICHI10 DSS65A FORTLEZA HARTRAO HOBART12 KASHIM34 KASHIM11 KATH12M KUNMING KOGANEI NOTO NYALES20 PARKES SESHAN25 SVETLOE VERAISGK VERAMZSW WARK12M YARRA12M YEBES40M Purpose ======= General the purpose of the IVS-T2 sessions is to monitor the TRF via monthly sessions. Since April 2004 the purpose of the remaining IVS-T2 sessions has been changed by the IVS OPC (Observing Program Committee). The new plan uses larger networks for each T2 session, say 16 to 24 stations, but have fewer T2 sessions during the year. The larger network should provide a stronger solution and better TRF results, even if there are fewer sessions each year. The TRF determine from single session solutions or from a global solution is very important IVS product because this is an essential part for creating the ITRF by corresponding IERS Product Center. A particular strength of VLBI is its contribution to the scale of the ITRF. Usually the TRF is computed from the 24h sessions that are dedicated to observing the EOP. Network ======= The standard configuration of the monthly observed IVS-T2 experiments consists of sixteen and more stations. All stations differ in some extent between all available IVS geodetic network stations from experiment to experiment. Schedule ======== This schedule was generated by the last updated SKED version using the EUR-SX band and the 64-16(EU-T2) EURSX-C-4 frequency setup, depending on which station are available for this observation. Variable scan lengths with a minimum 15 sec. and the most recent source flux models are included. SNR goals are around 20 at X-band and S-band depent on different baselines and stations. The predicted SNRs used include a 30 ps noise contribution added in quadrature, which is a typical magnitude for the reweight constants applied in SOLVE solutions. Some important optimization features enabled for this experiment : - the covariance analysis during schedule generation considers the previous 1 hours of observations, - minor SKED optimization parameters . maximum number of observations, . minimum time, were optimized over the best ( in a covariance sense ) 75% of the possible observations, this produces a somewhat more even sky distribution, - observations were weighted by their expected SNRs, - 30 ps noise contribution added, - mimimum time between observations of the same radio source was set to 20 min Session Notes for session: t2091 =========================================================== Experiment: T2091 Description IVS-T2.091 Scheduler: IGGB/Muesk Correlator: HAYS Start: 2013-232-17:30:00 End: 2013-233-17:30:01 Current yyyyddd: 2013232 (2013.64) ( 16525 MJD, TUES 20AUG.) =========================================================== There are no observations for NyAlesund from 18:20 U.T. to 19:40 U.T. NyAlesund will participate in the intensive session during this 1.5 hour period. =========================================================== First observations Observation listing from file t2091.skd for experiment T2091 Source Start DURATIONS name yyddd-hhmmss Ai Cc 6a Ft Hh Hb Kb K1 Ke Km Kg Nt Ny Pa Sh Sv Vs Vm Ww Wf Yg Ys 1324+224 13232-173000| 52 388 336 233 388 367 388| CTA26 13232-173000| 631 536 720 42 720 448 39 403 32 73 508 | 0537-441 13232-173346| 15 220 220 | =========================================================== Last observations CTA26 13233-165656| 627 536 720 42 720 456 403 33 73 500 | 3C418 13233-171030| 46 99 679 115 679 250 | 0446+112 13233-171542| 497 497 | 1921-293 13233-171630| 215 15 42 215 | 0537-286 13233-171929| 318 318 | 0537-441 13233-172047| 97 96 97 | 0657+172 13233-172450| 108 108 | 1749+096 13233-172603| 15 205 69 45 205 142 | OJ287 13233-172634| 194 194 74 76| 0308-611 13233-172717| 92 92 | =========================================================== Average number of obs. per baseline per source(normalized by up-time) = 0.9 Min = 0.0 Max = 90.0 (Baseline 6a-Ny on 1741-038) RMS = 3.9 Total time: 1439 minutes ( 24.0 hours). Key: Ai=AIRA Cc=CHICHI10 6a=DSS65A Ft=FORTLEZA Hh=HARTRAO Hb=HOBART12 Kb=KASHIM34 K1=KASHIM11 Ke=KATH12M Km=KUNMING Kg=KOGANEI Nt=NOTO Ny=NYALES20 Pa=PARKES64 Sh=SESHAN25 Sv=SVETLOE Vs=VERAISGK Vm=VERAMZSW Ww=WARK12M Wf=WESTFORD Yg=YARRA12M Ys=YEBES40M Ai Cc 6a Ft Hh Hb Kb K1 Ke Km Kg Nt Ny Pa Sh Sv Vs Vm Ww Wf Yg Ys Avg % obs. time: 52 53 9 42 34 59 28 60 57 31 55 34 44 25 43 42 39 32 41 39 51 45 42 % cal. time: 1 1 2 2 1 1 3 1 1 3 2 2 1 2 3 2 1 1 1 2 1 2 2 % slew time: 2 3 29 24 28 4 35 4 4 30 5 30 8 54 28 26 4 4 4 8 3 20 17 % idle time: 44 43 59 32 35 34 33 33 37 35 37 32 46 18 25 30 55 62 53 50 44 33 40 total # scans: 86 91 186 135 128 128 262 114 129 259 147 189 123 198 253 159 92 76 115 148 100 173 149 # scans/hour : 4 4 8 6 5 5 11 5 5 11 6 8 5 8 11 7 4 3 5 6 4 7 6 Avg scan (sec): 519 499 41 268 230 400 93 457 378 104 321 157 309 108 148 228 367 359 304 227 440 223 280 # data tracks: 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 Total GBytes: 804 818 137 650 530 922 439 938 878 486 850 536 685 386 672 653 608 491 629 604 793 693 646 Total GB(M5): 715 727 122 578 471 819 390 834 781 432 755 476 609 343 598 581 540 436 560 537 705 616 574 Total GBytes (M5) recorded: 12623.3 # OF OBSERVATIONS BY BASELINE | Ai Cc 6a Ft Hh Hb Kb K1 Ke Km Kg Nt Ny Pa Sh Sv Vs Vm Ww Wf Yg Ys StnTotal ------------------------------------------------------------------------------------------------------------------------ Ai| 75 15 0 11 41 73 67 53 60 69 17 20 43 73 21 40 18 3 10 32 13 754 Cc| 12 0 11 44 77 68 56 60 68 15 19 49 72 19 43 19 3 9 33 12 764 6a| 74 61 4 36 24 6 53 28 135 77 0 45 118 7 15 0 82 5 140 937 Ft| 62 0 3 0 0 12 0 74 27 0 3 44 0 0 0 86 0 79 464 Hh| 23 19 13 22 41 15 78 15 15 28 39 11 2 5 32 23 65 591 Hb| 62 56 83 56 57 9 6 68 60 7 30 6 53 1 63 3 732 Kb| 107 76 168 136 43 49 98 195 49 59 60 27 19 50 31 1437 K1| 69 81 106 27 31 60 98 32 35 24 11 12 46 21 988 Ke| 76 73 13 11 80 78 14 39 8 31 0 64 4 856 Km| 96 64 51 92 207 69 66 31 27 17 56 47 1430 Kg| 31 38 65 119 38 39 28 12 14 47 23 1102 Nt| 71 0 53 113 12 14 0 79 8 134 990 Ny| 8 49 96 8 19 1 61 5 67 729 Pa| 98 3 49 19 64 0 71 0 882 Sh| 60 77 42 23 18 54 38 1490 Sv| 14 16 2 62 6 100 922 Vs| 9 3 0 22 6 569 Vm| 1 16 6 14 367 Ww| 4 23 0 293 Wf| 0 94 616 Yg| 4 618 Ys| 895 Total # of scans, observations: 719 9213 =========================================================== Recording mode Name Code EUR2-SX SX Recording mode setup for: AIRA CHICHI10 HARTRAO HOBART12 KASHIM11 KATH12M KUNMING KOGANEI NYALES20 PARKES SESHAN25 SVETLOE VERAMZSW WARK12M WESTFORD YARRA12M YEBES40M Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:1 128.000 Mbits 64.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 4.00 MHz 1 16(*1) 16 0.00 X-band spanned bw= 360.0 MHz rms spanned bw= 140.2 MHz S-band spanned bw= 80.0 MHz rms spanned bw= 30.2 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: DSS65A FORTLEZA KASHIM34 NOTO VERAISGK Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 128.000 Mbits 64.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 4.00 MHz 1 16(*2) 32 0.00 X-band spanned bw= 360.0 MHz rms spanned bw= 140.2 MHz S-band spanned bw= 80.0 MHz rms spanned bw= 30.2 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 ===========================================================