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An experimental study of the effects of the evaporation duct on microwave propagation

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conference contribution
posted on 2024-03-26, 14:30 authored by Luke Robinson, THOMAS NEWETHOMAS NEWE, John Burke, DANIEL TOALDANIEL TOAL

This paper presents the results of a study on the effects of the evaporation duct on microwave propagation in the Irish Sea. The evaporation duct is a phenomenon that occurs almost permanently over the earth’s oceans and can be exploited to enable over the horizon communications in the marine environment. The study consisted of an experimental test, where signal strength from a shore-based transmitter was recorded at a number of distances. The results of this experiment were compared to simulated values. Atmospheric data used to simulate the signal propagation was taken from weather buoys in the Irish Sea. It was found that the evaporation duct does have an effect on microwave signals and can be used to extend microwave communications beyond the horizon. This could be useful in enabling high bandwidth communications links to or between offshore assets and equipment including navigation buoys, ships, renewable energy infrastructure and lighthouses which are often situated beyond line of sight of land.

Funding

Marine Renewable Energy Ireland (MaREI) - The SFI Centre for Marine Renewable Energy Research

Science Foundation Ireland

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Observation and Monitoring of Marine Renewable Energy Infrastructure (OM-MaREI)

Science Foundation Ireland

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History

Publication

OCEANS 2019 MTS/IEEE SEATTLE, Seattle, WA, USA, 2019, pp. 1-5

Publisher

Institute of Electrical and Electronics Engineers

Rights

© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.”

Also affiliated with

  • LERO - The Science Foundation Ireland Research Centre for Software
  • Mobile & Marine Robotics Research Centre (MMRRC)

Sustainable development goals

  • (7) Affordable and Clean Energy

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