1. Excitation of Langmuir and Ion–Acoustic Turbulence in the High-Latitude Ionosphere by a High-Power HF Radio Wave Simultaneously Below and Above the F₂-Layer Maximum

   • T. D. Borisova
   • N. F. Blagoveshchenskaya
   • M. T. Rietveld

   OriginalPaper 21 September 2020 Pages: 793 - 806

2. GPS Positioning Accuracy in Different Modes with Active Forcing on the Ionosphere from the Sura High-Power HF Radiation

   • Yu. V. Yasyukevich
   • S. V. Syrovatskiy
   • A. S. Yasyukevich

   OriginalPaper 21 September 2020 Pages: 807 - 819

3. Consistent Determination of the Integral Humidity and Effective Optical Depth of the Atmosphere in the Millimeter Wavelength Range Using Wideband Radiometers

   • G. M. Bubnov
   • V. F. Grigor’ev
   • V. F. Vdovin

   OriginalPaper 21 September 2020 Pages: 820 - 829

4. Weibel Mechanism of Magnetic-Field Generation in the Process of Expansion of a Collisionless-Plasma Bunch with Hot Electrons

   • A. A. Nechaev
   • M.A. Garasev
   • Vl. V. Kocharovsky

   OriginalPaper 21 September 2020 Pages: 830 - 848

5. Features of the Development of the Small-Scale Self-Focusing in Superpower Femtosecond Lasers

   • V. N. Ginzburg
   • A. A. Kochetkov
   • E. A. Khazanov

   OriginalPaper 19 September 2020 Pages: 849 - 860