Ionospheric Faraday amplitude modulation of radio-astronomical signals. I. Solar radio emission |
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| Authors: | É L Afraimovich Yu Ya Ruzhin C Nomicos Yu V Yasyukevich |
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| Institution: | (1) Institute of Solar-Terrestrial Physics, Siberian Branch of the Russian Academy of Sciences, Irkutsk;(2) Institute of Terretrial Magnetism, Ionosphere, and Radiowave Propagation of the Russian Academy of Sciences, Troitsk of the Moscow region, Russia;(3) Department of Electronics, Technological Educational Institution of Athens, Athens, Greece |
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| Abstract: | Considerable time shifts of the amplitude maxima of solar radio emission were recorded during solar flare X38 of January 17,
2005 at the European VHF stations spaced by a distance of 100 to 1000 km. It is shown on the basis of the model of polarization
interference of radio-astronomical signals 1] that this phenomenon can be stipulated by the amplitude modulation of solar
radio emission caused by the rotation of the polarization plane in the ionosphere (Faraday effect).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 50, No. 12, pp. 1029–1042, December 2007. |
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