1. Studying the Relationship between High-Latitude Geomagnetic Activity and Parameters of Interplanetary Magnetic Clouds with the Use of Artificial Neural Networks

   • N. A. Barkhatov
   • S. E. Revunov
   • O. I. Yagodkina

   OriginalPaper 13 April 2018 Pages: 147 - 153

2. Main Properties of Forbush Effects Related to High-Speed Streams from Coronal Holes

   • A. A. Melkumyan
   • A. V. Belov
   • V. G. Yanke

   OriginalPaper 13 April 2018 Pages: 154 - 168

3. Galactic Cosmic Ray Intensity in the Upcoming Minimum of the Solar Activity Cycle

   • M. B. Krainev
   • G. A. Bazilevskaya
   • N. S. Svirzhevskii

   OriginalPaper 13 April 2018 Pages: 169 - 177

4. Correlation Analysis of Geomagnetic Data Synchronously Recorded by the INTERMAGNET Magnetic Laboratories

   • A. V. Vorobev
   • G. R. Vorobeva

   OriginalPaper 13 April 2018 Pages: 178 - 184

5. Statistical Study of the Characteristics of Isolated Bursts of Midlatitude Pi2 Geomagnetic Pulsations

   • N. A. Kurazhkovskaya
   • B. I. Klain

   OriginalPaper 13 April 2018 Pages: 185 - 200

6. Geomagnetic Storm Effects at F1 Layer Altitudes in Various Periods of Solar Activity (Irkutsk Station)

   • G. P. Kushnarenko
   • O. E. Yakovleva
   • G. M. Kuznetsova

   OriginalPaper 13 April 2018 Pages: 201 - 206

7. Comparison of Ionospheric Parameters during Similar Geomagnetic Storms

   • D. V. Blagoveshchensky

   OriginalPaper 13 April 2018 Pages: 207 - 213

8. Equatorial Plasma Bubbles: Effect of Thermospheric Winds Modulated by DE3 Tidal Waves

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

   OriginalPaper 13 April 2018 Pages: 214 - 222

9. Possible Mechanism for Damping of Electrostatic Instability Related to Inhomogeneous Distribution of Energy Density in the Auroral Ionosphere

   • I. V. Golovchanskaya
   • B. V. Kozelov
   • M. M. Mogilevsky

   OriginalPaper 13 April 2018 Pages: 223 - 228

10. Spread F in the Midlatitude Ionosphere According to DPS-4 Ionosonde Data

    • V. A. Panchenko
    • V. A. Telegin
    • V. I. Rozhdestvenskaya

    OriginalPaper 13 April 2018 Pages: 229 - 236

11. Correction of Electron Density Profiles in the Low Ionosphere Based on the Data of Vertical Sounding with the IRI Model

    • P. F. Denisenko
    • O. A. Maltseva
    • V. V. Sotsky

    OriginalPaper 13 April 2018 Pages: 237 - 244

12. Estimating the Characteristics of Traveling Ionospheric Disturbances from Vertical Incidence Ionograms within a Compound Parabolic Layer Model

    • O. A. Laryunin

    OriginalPaper 13 April 2018 Pages: 245 - 251

13. Magnetospheric Effects during the Approach of the Chelyabinsk Meteoroid

    • L. F. Chernogor

    OriginalPaper 13 April 2018 Pages: 252 - 265

14. Recording the Response of the Chelyabinsk Meteoroid Fall by Dual-Frequency and Single-Frequency GPS Equipment

    • A. A. Kholmogorov
    • V. B. Ivanov
    • O. A. Gorbachev

    OriginalPaper 13 April 2018 Pages: 266 - 272

15. Spatial and Temporal Variations of Infrared Emissions in the Upper Atmosphere. 3. 5.3-μm Nitric Oxide Emission

    • A. I. Semenov
    • I. V. Medvedeva
    • V. I. Perminov

    OriginalPaper 13 April 2018 Pages: 273 - 280

16. Propagation of Stationary Planetary Waves in the Upper Atmosphere under Different Solar Activity

    • A. V. Koval
    • N. M. Gavrilov
    • N. O. Shevchuk

    OriginalPaper 13 April 2018 Pages: 281 - 289

17. Effect of Electron Precipitations on the Effective Recombination Coefficient

    • Zh. V. Dashkevich
    • V. E. Ivanov

    OriginalPaper 13 April 2018 Pages: 290 - 293