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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v71.i5.20
pages 403-412

ON RELATIONSHIP BETWEEN EVAPORATION DUCT HEIGHT AND MICROWAVE ATTENUATION IN OVER-THE-HORIZON AREA

Yurii V. Levadnyi
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
V. K. Ivanov
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
V. N. Shalyapin
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkiv 61085, Ukraine

RÉSUMÉ

The analysis of the experimental data is carried out to find out the relationship between evaporation duct height defined on the basis of bulk meteorological measurements and attenuation of centimeter waves in over-the-horizon range. It is demonstrated that evaporation duct height reduction to three meters for small heights of evaporation ducts, to two meters for medium height and one meter for large-height ones increase accuracy of microwave propagation diagnostics. It is also confirmed that in tropical and subtropical areas of the Atlantic Ocean for low antenna heights an evaporation duct is one of the major propagation mechanisms for three-centimeter waves.


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