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Title: Automatically Determining the Origin Direction and Propagation Mode of High-Frequency Radar Backscatter
Authors: Burrell, Angeline G.
Milan, Stephen E.
Perry, Gareth W.
Yeoman, Timothy K.
Lester, Mark
First Published: 16-Dec-2015
Publisher: American Geophysical Union
Citation: Radio Science, 2015, DOI: 10.1002/2015RS005808
Abstract: 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.
ISSN: 1944-799X
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © 2015, The Authors. This is an open-access article distributed under the terms of the Creative Commons Attribution License ( ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Appears in Collections:Published Articles, Dept. of Physics and Astronomy

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