Vol. 63, No. 2, 2023

Geomagnetism and Aeronomy

Trends in the Critical Frequency of the F2 Layer during the Recent Decade

A. D. Danilov and N. A. Berbeneva p. 113 abstract

Dependence of NmF2 Local Annual Asymmetry Index on Local Time and Solar Activity

M. G. Deminov and G. F. Deminova p. 121 abstract

Influence of Path Illumination on the Amplitude Characteristics of VLF Signals

E. N. Kozakova, I. A. Ryakhovsky, Yu. V. Poklad, B. G. Gavrilov, V. M. Ermak and N. S. Achkasov p. 127 abstract

Features of the Behavior of SE-Type Emission during a Substorm

N. A. Kurazhkovskaya and B. I. Klain p. 136 abstract

Manifestation of Magnetic Flux Ropes in the Structure of Solar Prominences

B. P. Filippov p. 146 abstract

Fine Structures of Type-IV Solar Radio Bursts Associated with Stationary and Moving Sources

V. V. Fomichev and G. P. Chernov p. 153 abstract

Comparison of the Efficiency of Machine Learning Methods in Studying the Importance of Input Features in the Problem of Forecasting the Dst Geomagnetic Index

R. D. Vladimirov, V. R. Shirokiy, I. N. Myagkova, O. G. Barinov and S. A. Dolenko p. 161 abstract

Global Ionospheric Response to Intense Variations of Solar and Geomagnetic Activity According to the Data of the GNSS Global Networks of Navigation Receivers

M. S. Pulinets, P. A. Budnikov and S. A. Pulinets p. 172 abstract

Wave Perturbations of the Lower and Upper Ionosphere during the 2019 Faxai Tropical Typhoon

S. L. Shalimov, V. I. Zakharov, M. S. Solov’eva, P. K. Sigachev, M. Yu. Nekrasov and G. M. Korkina p. 186 abstract

Evaluating the Effectiveness of Using Integral Daily Es Characteristics to Identify Short-Term Ionospheric Precursors of Strong Earthquakes

L. P. Korsunova and V. V. Khegai p. 197 abstract

Equatorial Plasma Bubble Occurrence Probability with Respect to Month of Year

L. N. Sidorova p. 207 abstract

Predicting the Functional Dependence of the Sunspot Number in the Solar Activity Cycle Based on Elman Artificial Neural Network

I. V. Krasheninnikov and S. O. Chumakov p. 215 abstract

Discussion Section

Comparison of the Properties of a Statistical Functional from Measurements of the Magnetic Field in the Middle of the Russian Continental Platform and in a Seismically Active Region

A. E. Volvach, L. P. Kogan, K. H. Kanonidi, I. T. Bubukin, O. V. Boborykina, V. B. Shtenberg and L. N. Volvach p. 224 abstract

Contents

Geomagnetism and Aeronomy

Discussion Section