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Doppler selection of HF radiosignals on long paths |
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| Authors: | A. V. Zalizovskii V. G. Galushko A. S. Kashcheev A. V. Koloskov Yu. M. Yampolski I. B. Egorov A. V. Popov |
| Affiliation: | (1) Institute of Radioastronomy, National Academy of Sciences of Ukraine (RI NANU), Krasnoznamennaya ul. 4, Kharkov, 61002, Ukraine;(2) Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation, Russian Academy of Sciences (IZMIRAN), Troitsk, Moscow oblast, 142190, Russia |
| Abstract: | The long-term registration of the Doppler spectra of HF radiosignals has been performed on the Moscow-Akademik Vernadsky Ukrainian Antarctic station path. It has been revealed that the spectra are split when the solar terminator crosses direct and return radio lines. The spectral and energy characteristics of direct and return signals have been calculated within the scope of the asymptotic theory of long-range propagation of decametric radiowaves. |
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