Contents

Geomagnetism and Aeronomy

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Vol. 58, No. 5, 2018

A simultaneous English language translation of this journal is available from Pleiades Publishing, Ltd.
Distributed worldwide by Springer. Geomagnetism and Aeronomy ISSN 0016-7932.

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Proton Auroras Equatorward of the Oval as a Manifestation of the Ion-Cyclotron Instability in the Earth’s Magnetosphere (Brief Review)

A. G. Yahnin, T. A. Yahnina, N. V. Semenova, T. A. Popova and A. G. Demekhov p. 577  abstract

Spatial-Energy Characteristics of Cosmic Rays and Parameters of Magnetospheric Current Systems in March and June 2015

G. N. Kichigin, M. V. Kravtsova and V. E. Sdobnov p. 586  abstract

Large Magnetic Storm on September 7–8, 2017: High-Latitude Geomagnetic Variations and Geomagnetic Pc5 Pulsations

N. G. Kleimenova, L. I. Gromova, S. V. Gromov and L. M. Malysheva p. 597  abstract

Effects Stimulated by Radiation of the SURA Facility in the Geophysical Experiments Program at the International Space Station in 2017

Yu. Ya. Ruzhin, V. D. Kuznetsov and Yu. A. Plastinin p. 607  abstract

Long-Term Changes in the Number and Magnitude of Forbush-Effects

A. A. Melkumyan, A. V. Belov, M. A. Abunina, A. A. Abunin, E. A. Eroshenko, V. A. Oleneva and V. G. Yanke p. 615  abstract

Approach to Assessment of the Relative Informational Efficiency of Intermagnet Magnetic Observatories

A. V. Vorobev and G. R. Vorobeva p. 625  abstract

Diurnal and Seasonal Variations in Trends in the E-Layer Critical Frequency

A. D. Danilov and A. V. Konstantinova p. 629  abstract

Correlation Properties of the Samplings of Variations in the F2-Layer Critical Frequency in Various Solar and Geophysical Conditions

N. P. Sergeenko p. 638  abstract

Estimation of the Critical Frequency in the Radio Sounding of the Ionosphere on Board High-Orbit Spacecrafts over the Arctic Region

I. V. Krasheninnikov, G. V. Givishvili and I. G. Stakhanova p. 644  abstract

Analytical Solution of Direct and Inverse Problems in the Internal Gravity Waves Studies by the Doppler Frequency Shift Method

V. Yu. Belashov p. 651  abstract

Method of Nonlinear Filtering of Observations from Systems of Vector and Scalar Magnetometers

V. G. Getmanov and V. R. Pushchaenko p. 654  abstract

Relation between Hertz Range Artificial Pulsations and the Dynamics of the Auroral Electrojet: Experiment at the SPEAR Facility

V. V. Safargaleev, N. F. Blagoveshchenskaya, L. J. Baddeley, V. F. Grigor’ev and T. D. Borisova p. 663  abstract

Magnetospheric and Ionospheric Effects Accompanying the Strongest Technogenic Catastrophe

L. F. Chernogor and K. P. Garmash p. 673  abstract

Ionosphere Disturbances Preceding Earthquakes according to the Data of Ground Based Station of the Vertical Ionospheric Sounding Wakkanai

S. A. Pulinets, A. D. Legen’ka, V. V. Hegai, V. P. Kim and L. P. Korsunova p. 686  abstract

High-Frequency Radio Emission from Meteors

A. D. Filonenko p. 693  abstract

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