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Please use this identifier to cite or link to this item: http://hdl.handle.net/2381/7393

Title: Observations of the directional characteristics of ionospherically propagated HF radio channel sounding signals over two high latitude paths
Authors: Warrington, E. Michael
Issue Date: Oct-1998
Publisher: Institute of Electrical Engineers (IEE)
Citation: Microwaves, Antennas and Propagation, IEE Proceedings, 1998, 145 (5), pp. 379-385.
Abstract: The author presents measurements of the directional characteristics of the Doppler and time delay components of a pulsed channel sounding signal received over two high latitude paths. A variation in bearing with Doppler frequency was frequently evident, an effect attributed to Doppler shifts imposed on the signal when scattered from ionospheric irregularities drifting across the reflection points. For a transauroral path, for which the ionospheric reflection points were subauroral, standard deviations of up to ~2.5° were observed in the azimuthal power distribution of the received energy. Much greater disturbances with azimuthal standard deviations of up to ~35° were recorded on signals received over a path contained entirely within the polar cap path.
ISSN: 1350-2417
Links: http://dx.doi.org/10.1049/ip-map:19982068
http://hdl.handle.net/2381/7393
Type: Article
Description: Copyright © 1998 IEE. This paper was published as: Microwaves, Antennas and Propagation, IEE Proceedings, 1998, 145 (5), pp. 379-385. This paper is available from http://ieeexplore.ieee.org/search/wrapper.jsp?arnumber=741952. Doi: 10.1049/ip-map:19982068
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Appears in Collections:Published Articles, Dept. of Engineering

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