1. Development of the Concept of High-Power Microwave Oscillators with Phase Locking by an External Signal

   • K. A. Sharypov
   • S. A. Shunailov
   • M. I. Yalandin

   OriginalPaper 12 March 2020 Pages: 447 - 454

2. Studies of a Gyrotron Traveling-Wave Tube with Helically Corrugated Waveguides at IAP Ras: Results and Prospects

   • S. V. Samsonov
   • A. A. Bogdashov
   • G. G. Denisov

   OriginalPaper 09 March 2020 Pages: 455 - 466

3. High-Efficiency Relativistic Generators of Nanosecond Pulses in the Millimeter-Wavelength Range

   • V. V. Rostov
   • R. V. Tsygankov
   • M. I. Yalandin

   OriginalPaper 09 March 2020 Pages: 467 - 471

4. Stretching, Amplification, and Compression of Microwave Pulses Using Helically Corrugated Waveguides

   • N. S. Ginzburg
   • L. A. Yurovsky
   • I. V. Yakovlev

   OriginalPaper 10 March 2020 Pages: 472 - 480

5. An Experimental Study of the External-Signal Influence on the Oscillation Regime of a Megawatt Gyrotron

   • V. L. Bakunin
   • Yu. M. Guznov
   • A. S. Shevchenko

   OriginalPaper 09 March 2020 Pages: 481 - 489

6. Locking of the Frequency of a Multimode Gyrotron by a Quasi-Monochromatic External Signal

   • V. L. Bakunin
   • G. G. Denisov
   • Yu. V. Novozhilova

   OriginalPaper 09 March 2020 Pages: 490 - 505

7. Development of a High-Power Continuous-Wave Gyrotron for High-Efficiency Technological K-Band Microwave Complexes

   • M. D. Proyavin
   • M. Yu. Glyavin
   • T. O. Krapivnitskaya

   OriginalPaper 09 March 2020 Pages: 506 - 512

8. High-Harmonic Gyrotrons with Axis-Encircling Electron Beams at IAP RAS

   • I. V. Bandurkin
   • V. L. Bratman
   • A.V. Savilov

   OriginalPaper 09 March 2020 Pages: 513 - 519

9. Pumping Systems for Compton Free-Electron Lasers: Microwave Undulators and Powering Sources

   • E. B. Abubakirov
   • A. A. Vikharev
   • A.V. Savilov

   OriginalPaper 12 March 2020 Pages: 520 - 527

10. Suppression of Side Lobes in Radiation Patterns of Short-Pulse Radiating Systems

    • A. V. Palitsin
    • M. B. Goykhman
    • N. F. Kovalev

    OriginalPaper 09 March 2020 Pages: 528 - 538

11. Field Emitters for Miniature High-Voltage Electronic Devices Operating in Technical Vacuum

    • G. G. Sominskii
    • V. E. Sezonov
    • A. N. Stepanova

    OriginalPaper 09 March 2020 Pages: 539 - 546

12. Low-Noise Sis Receivers for New Radio-Astronomy Projects

    • K. I. Rudakov
    • P. N. Dmitriev
    • V. P. Koshelets

    OriginalPaper 09 March 2020 Pages: 547 - 555

13. A Study of a Narrow-Band Receiving System of Cold-Electron Bolometers for the 220 and 240 GHz Channels using an Oscillator Based on the High-Temperature YBCO Superconductor

    • L. S. Revin
    • D. A. Pimanov
    • P. de Bernardis

    OriginalPaper 09 March 2020 Pages: 556 - 561

14. Prototype of a Two-Wave Radiometric System of the Millimeter Wavelength Range for Remote Sensing of the Atmosphere and Features of Atmospheric Absorption at Kara-Dag According to Field Measurements

    • I. T. Bubukin
    • M. I. Agafonov
    • R. V. Gorbunov

    OriginalPaper 09 March 2020 Pages: 562 - 569