1. Electron loss coefficient in the D region of the ionosphere (survey)

   • M. A. Itkina

   OriginalPaper Pages: 549 - 566

2. Possibility of detecting gravitational focusing in the radio range

   • P. V. Bliokh
   • A. A. Minakov

   OriginalPaper Pages: 566 - 572

3. The kinetic equation method for acoustic-gravity waves

   • G. I. Grigor'ev
   • O. N. Savina

   OriginalPaper Pages: 572 - 576

4. Theory of the nonlinear interaction of opposing waves of arbitrary polarization in ring-type gas lasers

   • V. A. Zborovskii
   • E. A. Tiunov
   • É. E. Fradkin

   OriginalPaper Pages: 576 - 585

5. Effect of transverse linearly polarized radio-frequency fields on the characteristics of parametric resonance lines

   • A. N. Kuznetsov
   • Yu. M. Petukhov

   OriginalPaper Pages: 585 - 589

6. Changes in the amplitude and phase of vibrations in systems with variable parameters

   • S. I. Averkov

   OriginalPaper Pages: 589 - 596

7. Nonstationary interaction of oppositely directed waves in a quadratically nonlinear medium — A numerical experiment

   • M. A. Abalieva
   • N. S. Bakhvalov
   • G. A. Lyakhov

   OriginalPaper Pages: 596 - 599

8. Occurrence of stochasticity in the case of nondegenerate wave interaction in media with amplification

   • S. Ya. Vyshkind

   OriginalPaper Pages: 600 - 604

9. Mutual coherence function of the field in a closed quasioptical waveguide with impedance fluctuations on one wall

   • A. A. Puzenko
   • E. V. Chaevskii

   OriginalPaper Pages: 604 - 610

10. Distribution of average intensity in a closed quasioptical waveguide with impedance fluctuations on one wall

    • A. A. Puzenko

    OriginalPaper Pages: 610 - 617

11. Design of compensation arrangements for phase fluctuations caused by cable communications lines

    • V. S. Beagon
    • Yu. N. Romanychev

    OriginalPaper Pages: 617 - 620

12. Field of a directional radiator in anisotropic media

    • A. F. Belenov
    • I. G. Kondrat'ev

    OriginalPaper Pages: 620 - 626

13. A method for determining the size of a source from the diffraction image on the basis of a Chebyshev approximation criterion

    • A. A. Rubenok

    OriginalPaper Pages: 626 - 631

14. Electron flux bunching with spread in electron velocities in a gyroklystron with a nonuniform magnetic field

    • A. P. Keier

    OriginalPaper Pages: 631 - 635

15. Modes of operation of output cavity of a gyroklystron with electron velocity spread and nonuniform magnetostatic field

    • A. P. Keier

    OriginalPaper Pages: 636 - 642

16. Self-oscillations in a segment of a line with discrete active elements

    • A. A. Novikov

    Brief Communications and Letters to the Editor Pages: 643 - 645