1. Solar Activity Indices for Ionospheric Parameters in the 23rd and 24th Cycles

   • M. G. Deminov
   • E. V. Nepomnyashchaya
   • V. N. Obridko

   OriginalPaper 03 April 2020 Pages: 1 - 6

   

2. Magnetic Field Variations and Dynamics of the Outer Electron Radiation Belt of the Earth’s Magnetosphere in February 2014

   • N. A. Vlasova
   • V. V. Kalegaev
   • A. Prost

   OriginalPaper 03 April 2020 Pages: 7 - 19

   

3. Variations in Ion-Component Pressure during Dipolarization in the Near-Earth Magnetotail Plasma Sheet

   • A. Yu. Malykhin
   • E. E. Grigorenko
   • P. Daly

   OriginalPaper 03 April 2020 Pages: 20 - 27

   

4. Equatorial Plasma Bubbles: Variation of the Longitudinal Distribution with Altitude

   • L. N. Sidorova
   • S. V. Filippov

   OriginalPaper 03 April 2020 Pages: 28 - 37

   

5. Ring of Station Method in Research of Cosmic Ray Variations: 1. General Description

   • M. A. Abunina
   • A. V. Belov
   • A. A. Melkumyan

   OriginalPaper 03 April 2020 Pages: 38 - 45

   

6. Whistler Growth Rates in the Magnetosphere According to Measurements of Energetic Electron Fluxes on the Van Allen Probe A Satellite

   • D. R. Shklyar
   • E. E. Titova
   • T. V. Romantsova

   OriginalPaper 03 April 2020 Pages: 46 - 57

   

7. Additional Horizontal Traces of Ground Reflections on Ionograms from the Interkosmos-19 Satellite in the Night Trough

   • A. T. Karpachev
   • G. A. Zhbankov

   OriginalPaper 03 April 2020 Pages: 58 - 62

   

8. Rapid Variations in Electron Density Profiles in the Ionosphere Detected with the IZMIRAN High-Speed Ionosonde

   • A. V. Branitskii
   • V. Yu. Kim
   • V. P. Polimatidi

   OriginalPaper 03 April 2020 Pages: 63 - 79

   

9. Ionospheric Effects of the Lipetsk Meteoroid

   • L. F. Chernogor

   OriginalPaper 03 April 2020 Pages: 80 - 89

   

10. Luminescence of Molecular Nitrogen Bands in the Earth’s Atmosphere during the Precipitation of High-Energy Electrons

    • A. S. Kirillov
    • V. B. Belakhovsky

    OriginalPaper 03 April 2020 Pages: 90 - 95

    

11. Dynamics of the Mesosphere and Lower Thermosphere Based on Results of Observations on the SURA Facility

    • N. V. Bakhmetieva
    • V. D. Vyakhirev
    • K. M. Yusupov

    OriginalPaper 03 April 2020 Pages: 96 - 111

    

12. Effects of a Short-Term Increase in the Intensity of 630.0-nm Emissions of Atomic Oxygen [OI] at Lower Thermospheric Altitudes due to Anthropogenic Activity

    • A. V. Mikhalev
    • R. V. Vasilyev
    • A. B. Beletskii

    OriginalPaper 03 April 2020 Pages: 112 - 120

    

13. Evolution of the Large-Scale Geomagnetic Field over the Last 12 000 Years

    • M. Yu. Reshetnyak

    OriginalPaper 03 April 2020 Pages: 121 - 130

    

14. Investigation of Ionospheric Variations During Magnetic Storm Over Turkey

    • Samed Inyurt

    OriginalPaper 03 April 2020 Pages: 131 - 135