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Type: Journal article
Title: A directional HF noise model: Calibration and validation in the Australian region
Author: Pederick, L.
Cervera, M.
Citation: Radio Science, 2016; 51(1):25-39
Publisher: American Geophysical Union
Issue Date: 2016
ISSN: 0048-6604
Statement of
L. H. Pederick, and M. A. Cervera
Abstract: The performance of systems using HF (high frequency) radio waves, such as over-the-horizon radars, is strongly dependent on the external noise environment. However, this environment has complex behavior and is known to vary with location, time, season, sunspot number, and radio frequency. It is also highly anisotropic, with the directional variation of noise being very important for the design and development of next generation over-the-horizon radar. By combining global maps of lightning occurrence, raytracing propagation, a model background ionosphere and ionospheric absorption, the behavior of noise at HF may be modeled. This article outlines the principles, techniques, and current progress of the model and calibrates it against a 5 year data set of background noise measurements. The calibrated model is then compared with data at a second site.
Rights: © 2016 Commonwealth of Australia (Defence Science and Technology Group
DOI: 10.1002/2015RS005842
Appears in Collections:Aurora harvest 3
Geology & Geophysics publications

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