Vol 29, No 4 (2024)

DOI: https://doi.org/10.15407/rpra29.04

Table of Contents

Radio Astronomy and Astrophysics

ESTIMATING THE LEVEL OF TROPOSPHERIC ABSORPTION AT MICROWAVE FREQUENCIES AND OPERATIONAL PARAMETERS OF PERTINENT AERONOMIC AND RADIO ASTRONOMICAL INSTRUMENTS IN THE "MAXIMUM CONFIDENCE" TECHNIQUE
V. V. Myshenko, O. M. Korolev, Yu. V. Karelin, A. V. Antyufeyev, D. L. Chechotkin, D. V. Shulga, O. G. Turutanov, A. A. Poladich
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247

Electromagnetic theory

DIPOLE ANTENNAS WITH A SECTOR-SHAPED RADIATION PATTERN
M. M. Gorobets, N. P. Yeliseyeva, S. L. Berdnyk, O. M. Horobets
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255
SPAСETIME ANALYSIS OF AN ELECTROMAGNETIC AIRY PULSE AFTER ITS INTERACTION WITH A PLANAR BOUNDARY IN UNIFORMLY ACCELERATED RELATIVISTIC MOTION
O. V. Zhyla, N. P. Stognii
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271

Wave propagation and remote sensing

ON THE ACHIEVABLE UPPER LIMIT OF THE ELEVATION ANGLES OF EFFECTIVE DIRECTION FINDING OF TARGETS OVER THE SEA BY THE ROOT-MUSIC METHOD PROVIDED WITH ADEQUATE A PRIORI PARAMETERS
Yu. F. Logvinov, Yu. A. Pedenko, N. G. Reznichenko
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281
LATITUDINAL FEATURES OF TROPOSPHERIC RESPONSE TO 27-DAY CYCLIC VARIATIONS OF SOLAR ACTIVITY
I. G. Zakharov, L. F. Chernogor
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293

Radio frequency engineering

A COMPOSITION PATCH ANTENNA
S. A. Pogarsky, D. V. Mayboroda, S. M. Mykhaliuk
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308

Electronics and photonics

A PLANAR n⁺ –n–n⁺ GaAs DIODE WITH GaInAs-BASED GRADED-GAP ACTIVE SIDE BOUNDARYN
V. O. Zozulia, O. V. Botsula, K. H. Prykhodko
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317

Men of Science

A GRANDMASTER OF SCIENTIFIC RESEARCH (toward the 90th anniversary of V.M. Yakovenko)
Yu. O. Averkov, M. M. Beletski, O. O. Kostenko, V. M. Kuklin, P. M. Melezhik, I. E. Pochanina, M. T. Cherpak, V. O. Yampolski
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327