1. Investigation of nonlinear phenomena when powerful radio pulses propagate in the lower layers of the ionosphere

   • A. V. Gurevich
   • I. S. Shlyuger

   OriginalPaper Pages: 913 - 928

2. Plasma stratification in the ionospheric region of strong radio-wave reflection

   • V. V. Vas'kov
   • A. V. Gurevich

   OriginalPaper Pages: 929 - 938

3. Scattering of the extraordinary wave by small-scale irregularities near the reflection point

   • N. A. Mityakov
   • V. O. Rapoport
   • V. Yu. Trakhtengerts

   OriginalPaper Pages: 939 - 943

4. Global distribution of short-wave absorption in the ionosphere

   • I. A. Tushentsova
   • D. I. Fishchuk
   • E. E. Tsedilina

   OriginalPaper Pages: 944 - 950

5. Parametric excitation of ionospheric irregularities extended along the magnetic field

   • S. M. Grach
   • V. Yu. Trakhtengerts

   OriginalPaper Pages: 951 - 957

6. Radio-wave propagation in an ionospheric wave channel

   • L. M. Erukhimov
   • S. N. Matyugin
   • V. P. Uryadov

   OriginalPaper Pages: 958 - 963

7. Influence of scattering on radio-wave trapping in ionospheric waveducts

   • A. V. Gurevich
   • L. M. Erukhimov
   • E. E. Tsedilina

   OriginalPaper Pages: 964 - 972

8. Relationship between statistical parameters of short-wave signals in vertical and oblique ionospheric sounding

   • V. A. Alimov
   • L. M. Erukhimov
   • K. I. Yurin

   OriginalPaper Pages: 973 - 976

9. Excitation of the earth-ionosphere waveguide by low-frequency ionospheric sources

   • N. S. Bellyustin
   • V. P. Dokuchaev
   • V. V. Tamoikin

   OriginalPaper Pages: 977 - 984

10. Investigation of the propagation of very long radio waves in the earth's ionosphere I. Theory

    • V. I. Aksenov

    OriginalPaper Pages: 985 - 995

11. Investigation of the propagation of very long waves in the earth's ionosphere II. Results of experiments with the Kosmos-142 and Kosmos-259 artificial satellites

    • V. I. Aksenov

    OriginalPaper Pages: 996 - 1001

12. Signal structure in diffuse refraction from the ionosphere

    • S. A. Namazov

    OriginalPaper Pages: 1002 - 1009

13. Influence of heating of the ionosphere by high-power radio emission on the sporadic E layer

    • Yu. A. Ignat'ev

    OriginalPaper Pages: 1010 - 1013

14. Optimal conditions for extra-long-range short-wave propagation

    • S. F. Golyan

    OriginalPaper Pages: 1014 - 1022

15. Propagation of round-the-world and back-echo signals outside the plane of a great circle

    • V. A. Bubnov
    • G. A. Rumyantsev

    OriginalPaper Pages: 1023 - 1025

16. Specialized measurement system of the Khar'kov Polytechnic Institute for investigating the ionosphere by the incoherent-scattering method

    • V. I. Taran
    • E. V. Rogozhkin
    • S. V. Chernyaev

    BriefCommunication Pages: 1026 - 1027

17. Role of the grazing propagation mechanism in the excitation of ionospheric waveguides

    • V. I. Sazhin
    • M. V. Tinin

    OriginalPaper Pages: 1028 - 1031