Detection of ionospheric layers in the dayside ionosphere of Venus at altitudes of 80–120 km from Venera-15 and -16 two-frequency radio-occultation results

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 2009 English Publisher:Pleiades Publishing LtdJournal:Geomagnetism and Aeronomy, volume 49, pages 1,223-1,225 (issn: 0016-7932, eissn: 1555-645X,

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Authors: A. L. Gavrik; A. G. Pavelyev; Yu. A. Gavrik;

doi: 10.1134/s0016793209080362

Detection of ionospheric layers in the dayside ionosphere of Venus at altitudes of 80–120 km from Venera-15 and -16 two-frequency radio-occultation results

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Abstract

We propose a technique for analyzing radiooccultation data that allows the effects of the noise, ionosphere, and atmosphere on the radiooccultation resu lts to be reliably separated. This enables a more accurate investigation into the ionosphere formation mechanisms. Ionized layers are shown to exist in the dayside ionosphere of Venus at altitudes from 80 to 120 km. The position of the lower boundary of this ionized region can vary over the range of 80-100 km and the electron density gradients can change several times sev� eral.

Related Organizations

Russian Academy of Sciences
Russian Federation
Institute of Radio-Engineering and Electronics
Russian Federation

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