IVS-OHIG67 (Continuous Observations of the Rotation of the Earth and South terrestical reference frame network) 2010 Feb.03-04 doy 034-035 Insitute for Geodesy and Geoinformtion of the University of Bonn, Germany Correlator: Bonn Purpose ======= The purpose of the IVS-OHIG (Southern Terrestrial Reference Frame) sessions is to tie together optimally the sites in the southern hemisphere. Because these sessions concentrate on the southern sites and do not use observing time to accurately tie these sites to far northern sites (as the Global Sessions do) they should yield a very accurate regional TRF around the South Pole. Schedule ======== This is a schedule generated with the automatic mode of sked using the variable scan length with a minimum of 60 seconds. The most recent and updated source flux models are included. SNR goals are 20/18 at X-band and 20/18 at S-band for all stations. The predicted SNRs used include a 30 ps noise contribution added in quadrature, which is a typical size for the reweight constants size for the reweight constants required in SOLVE solutions. This schedule was optimized by different features: - the covariance analysis during schedule generation considers the previous 2 hours of observations, - minor SKED optimization parameters . maximum number of observations, 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 - use of CvgONLY in order to improve the geometry of observation This schedule was made using 60 sources which helped improve the sky coverage. Procedures ========== Please generate the procedures for this session using drudg. Except of Syowa station who have to prepare K5 setup procedures with the existing skd file. NO PREPASS TIME: There is no time allowed in the schedule for prepassing tapes. Therefore all tapes needed for this experiment must be pre-checked before the start of this experiment. FREQUENCY SEQUENCE: Up to now we record in a new frequency sequence called EUR-T2 with a channel bandwith of 4 Mhz and 16 tracks. See more details in the section irecording mode in this file. RECORDING DATA/MODULES All stations should put so much O'Higgins sessions as possible on one (1) or two (2) module(s). This will help limit the number of modules being held up in the O'Higgins campaign. Comments ======== Processing of this recorded data can take more than one year, due to reason that Swoya station are served only once per year. Session Notes for session: ohig67 =========================================================== Experiment: OHIG67 Description IVS-OHIG67 Scheduler: mueskens Correlator: BONN Start: 2010-034-18:00:00 End: 2010-035-18:00:01 Current yyyyddd: 2010034 (2010.09) ( 15231 MJD, WED. 3FEB.) Greenwich sidereal time: 2:55: 0.00 (18: 0: 0 UT) Sun's RA and DEC: 21h 9.0m -16d 23.6 =========================================================== There are no observations for Kokee from 18:20 U.T. to 19:40 U.T. Kokee will participate in the intensive session during this 1.5 hour period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Kk Oh Sy Tc 0537-441 10034-180000| 232 273 273| 1334-127 10034-194121| 86 86 | =========================================================== Last observations 0607-157 10035-175352| 348 348 | 1749+096 10035-175425| 130 130| =========================================================== Average number of obs. per baseline per source(normalized by up-time) = 8.0 Min = 0.0 Max = 41.9 (Baseline Kk-Sy on 0727-115) RMS = 11.6 Total time: 1437 minutes ( 24.0 hours). Key: Kk=KOKEE Oh=OHIGGINS Sy=SYOWA Tc=TIGO Kk Oh Sy Tc Avg % obs. time: 31 75 63 77 62 % cal. time: 1 2 1 2 1 % slew time: 4 11 2 5 6 % idle time: 63 11 33 15 31 total # scans: 74 150 125 136 121 # scans/hour : 3 6 5 6 5 Avg scan (sec): 364 434 435 486 429 # data tracks: 16 16 16 16 # Mk5 tracks: 16 16 16 16 Total GBytes: 485 1172 979 1190 956 Total GB(M5): 431 1041 870 1058 850 Total GBytes (M5) recorded: 3400.2 # OF OBSERVATIONS BY BASELINE | Kk Oh Sy Tc StnTotal ------------------------------ Kk| 27 22 53 102 Oh| 107 105 239 Sy| 67 196 Tc| 225 Total # of scans, observations: 198 381 =========================================================== Recording mode Name Code EUR2-SX SX Recording mode setup for: KOKEE OHIGGINS SYOWA TIGOCONC 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 ===========================================================