Vol. 63, No. 4, 2023

Geomagnetism and Aeronomy

Features of Radio Signal Propagation in the VLF Range at High Latitudes during Solar Proton Events

O. I. Akhmetov, I. V. Mingalev, O. V. Mingalev, V. B. Belakhovsky and Z. V. Suvorova p. 367 abstract

Estimate of Lower Ionosphere Ionization during Solar Flares of the X Class According to VLF Observations

I. A. Ryakhovsky, Yu. V. Poklad and B. G. Gavrilov p. 377 abstract

Diurnal Variations of the Statistical Characteristics of NmF2 Variability According to Ground-Based Low Latitude Ionosondes in Geomagnetically Quiet Conditions at Low Solar Activity

A. V. Pavlov and N. M. Pavlova p. 384 abstract

Effect of Earthquake Preparation on Changes in Meteorological Characteristics (Based on the Example of the 2003 Chuya Earthquake)

A. V. Shitov, S. A. Pulinets and P. A. Budnikov p. 395 abstract

Aerosol Layer of the Lower Thermosphere: I. Observation against the Earth’s Limb

A. N. Belyaev, S. Sh. Nikolaishvili, A. N. Omel’chenko, A. Yu. Repin, M. A. Poluarshinov, Yu. V. Smirnov, A. V. Strakhov, A. G. Batishchev, V. I. Stasevich and Yu. V. Platov p. 409 abstract

Dependence of the Annual Asymmetry Local Index for the NmF2 Median on Solar Activity

M. G. Deminov and G. F. Deminova p. 421 abstract

Features of Forecasting the Operation of Ionospheric Radio Lines in Upper Rays Modes

I. V. Krasheninnikov and V. N. Shubin p. 426 abstract

Hysteresis Phenomena in the Relationship between the Cosmic Ray Cutoff Rigidity and Parameters of the Magnetosphere during a Storm on May 15, 2005

O. A. Danilova, N. G. Ptitsyna and M. I. Tyasto p. 434 abstract

Nanoflash Distribution at the Solar Minimum

S. A. Bogachev p. 441 abstract

Rotation of a Long-Lived Coronal Hole in Solar Cycle 24

O. A. Andreeva and V. M. Malaschuk p. 449 abstract

Isolated Solar Cosmic Ray Events Caused by Energetic Storm Particles (ESPs)

G. A. Bazilevskaya, E. I. Daibog and Yu. I. Logachev p. 456 abstract

Generation Model of a Spatially Limited Vortex in a Stratified Unstable Atmosphere

O. G. Onishchenko, S. N. Artekha, F. Z. Feygin and N. M. Astafieva p. 464 abstract

Statistical Studies of Auroral Activity and Perturbations of the Geomagnetic Field at Middle Latitudes

R. Werner, V. Guineva, I. V. Despirak, A. A. Lubchich, P. V. Setsko, A. Atanassov, R. Bojilova, L. Raykova and D. Valev p. 473 abstract

Geoefficiency of Sporadic Phenomena in Solar Cycle 24

A. V. Belov, E. A. Belova, N. S. Shlyk, M. A. Abunina and A. A. Abunin p. 486 abstract

Geomagnetic Effects of the Partial Solar Eclipse of 11 September 2007 in Chile and Antarctica

J. A. Lazzús p. 497 abstract

Geomagnetic Induction Vectors Reveal Tectonic Electrical Characteristics of Shandong Province, China, Using a Geomagnetic Array

Yiliang Guan, Ling Zhang, Xiaona Dong, Xiliang Li, Zhicai Wang and Haitao Yin p. 503 abstract

Contents

Geomagnetism and Aeronomy