Vol. 61, No. 3, 2021

Geomagnetism and Aeronomy

Detection of Strongly Turbulent Regions in the Supercorona with the Venus Express and Mars Express Satellites

A. I. Efimov, L. A. Lukanina, V. M. Smirnov, I. V. Chashei, M. K. Bird and M. Paetzold p. 293 abstract

Heliospheric Magnetic Field and The Parker Model

N. S. Svirzhevsky, G. A. Bazilevskaya, M. S. Kalinin, M. B. Krainev, V. S. Makhmutov, A. K. Svirzhevskaya and Yu. I. Stozhkov p. 299 abstract

Solar-Activity Cycles Reconstructed from Statistics on Polar Lights with Allowance for the Contribution of the Main Magnetic Field of the Earth in 1000–2000

N. G. Ptitsyna and I. M. Demina p. 312 abstract

Ionic Foreshock of a Near-Earth Shock Wave: Theoretical Model and Observational Data

G. N. Kichigin p. 325 abstract

Dynamics of Relativistic Electron Fluxes of the Outer Radiation Belt during Geomagnetic Disturbances of Different Intensity

N. A. Vlasova, V. V. Kalegaev and I. S. Nazarkov p. 331 abstract

Ionospheric Precursors of Magnetic Storms. 3. Analysis of Juliusruh Station Data

A. V. Konstantinova and A. D. Danilov p. 341 abstract

Planetary Variations in the Height of the F2-Layer Maximum during Ionospheric Disturbances

N. P. Sergeenko and A. Kh. Depueva p. 349 abstract

Dependence of the Annual Asymmetry in NmF2 on Geomagnetic Latitude and Solar Activity

M. G. Deminov, V. N. Shubin and R. G. Deminov p. 359 abstract

Detection of Artificial ULF Signals at Staraya Pustyn Magnetic Station during the FENICS-2019 Experiment

A. V. Ryabov, V. A. Pilipenko, E. N. Ermakova, N. G. Mazur, E. N. Fedorov, A. A. Zhamaletdinov and A. N. Shevtsov p. 365 abstract

Propagation of Electromagnetic Waves in the Region of High Latitudes at Various States of the Ionosphere at the Frequencies of the RSDN-20 (Alpha) Radionavigation System

O. I. Akhmetov, I. V. Mingalev, O. V. Mingalev, V. B. Belakhovsky and Z. V. Suvorova p. 376 abstract

Response of Background Optical Emission to Ionospheric Heating by High-Power Radio Emission

Yu. K. Legostaeva, A. V. Shindin and S. M. Grach p. 389 abstract

Influence of Factors Distorting the Paleomagnetic Record on the Estimation of the Parameters of Ancient Secular Geomagnetic Variations Based on the Results of Layer-by-Layer Studies of Sedimentary Sections

V. E. Pavlov, Sh. R. Bogoutdinov and O. A. Meshcheryakova p. 399 abstract

Comment on “A Statistical Study of the Plasma and Composition Distribution inside Magnetic Clouds: 1998–2011” by J. Huang et al.

Yu. I. Yermolaev and I. G. Lodkina p. 416 abstract

Latitudinal Dependence of Ionospheric Responses to Some Geomagnetic Storms during Low Solar Activity

B. W. Joshua, J. O. Adeniyi, A. O. Olawepo, Babatunde Rabiu, Okoh Daniel, S. J. Adebiyi, B. O. Adebesin, S. O. Ikubanni and B. Abdurahim p. 418 abstract

Comparative of foF2 Measurements with IRI-2016 Model Predictions for Different Latitudes during Low and High Solar Activity

E. Timoçin and H. Temuçin p. 438 abstract

Identification of Seismogenic Anomalies Induced by 11 April, 2012 Indonesian Earthquake (M = 8.5) at Indian Latitudes Using GPS-TEC and ULF/VLF Measurements

Devbrat Pundhir, Birbal Singh, Rajpal Singh and Sarita Sharma p. 449 abstract

The Rate of Ionospheric Total Electron Content Index (ROTI) as a Proxy for Nighttime Ionospheric Irregularity Using Ethiopian Low-Latitude GPS Data

T. K. Gogie p. 464 abstract

Contents

Geomagnetism and Aeronomy