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Automatically Determining the Origin Direction and Propagation Mode of High-Frequency Radar Backscatter

journal contribution
posted on 2015-11-16, 14:44 authored by Angeline G. Burrell, Stephen E. Milan, Gareth W. Perry, Timothy K. Yeoman, Mark Lester
Elevation angles of returned backscatter are calculated at SuperDARN radars using interferometric techniques. These elevation angles allow the altitude of the reflection point to be estimated, an essential piece of information for many ionospheric studies. The elevation angle calculation requires knowledge of the azimuthal return angle. This directional angle is usually assumed to lie along a narrow beam from the front of the radar, even though the signals are known to return from both in front of and behind the radar. If the wrong direction of return is assumed, large uncertainties will be introduced through the azimuthal return angle. This paper introduces a means of automatically determining the correct direction of arrival and the propagation mode of backscatter. The application of this method will improve the accuracy of backscatter elevation angle data and aid in the interpretation of both ionospheric and ground backscatter observations.

History

Citation

Radio Science, 2015, DOI: 10.1002/2015RS005808

Author affiliation

/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Physics and Astronomy

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  • VoR (Version of Record)

Published in

Radio Science

Publisher

American Geophysical Union

issn

1944-799X

Acceptance date

2015-11-13

Copyright date

2015

Available date

2015-11-16

Publisher version

http://onlinelibrary.wiley.com/wol1/doi/10.1002/2015RS005808/abstract

Language

en

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