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Information × Registration Number 0212U004748, 0110U004087 , R & D reports Title Investigation of Earth rotation irregularities and regional geodynamics using VLBI and GPS/GLONASS data from Ukrainian-Russian network popup.stage_title Head Yatskiv Ya. S., Registration Date 25-01-2012 Organization Main Astronomical Observatory popup.description2 In 2010-2011 the VLBI observations were been produce by PT-22 (Simeis) from international programm "Europe" i "International VLBI Service -Terestical Reference Frame Observation" for the determinations of the prameters of the Earth orientation and Celestial Reference Frame. The results of observations were sent to international center: IERS and IVS. The VLBI observations of the international set of radiointerferometers were analysis by kiev's programm complex SteelBreeze. The combined catalogues of radiosource positions were created at the Main astronomical observatory of the NAS of Ukraine (the acronym mao08a) by the kiev arc length method. Statistical approach for detection and estimation of parameters of short-term quasi-periodic processes was used in order to investigute the free core nutation (FCN) signal in Celestial Pole Offset. Product Description popup.authors Болотін С. Л. Вольвач О. Є. Корсунь А.О. Литвин С. О. Одинець П.С. Самойленко О.М. Яцків Я. С. popup.nrat_date 2020-04-02 Close