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Title: An evaluation of range accuracy in the Super Dual Auroral Radar Network over-the-horizon HF radar systems
Authors: Yeoman, Tim K.
Wright, D. M.
Stocker, A. J.
Jones, T. B.
First Published: Jul-2001
Publisher: American Geophysical Union (AGU), Wiley, International Union of Radio Science
Citation: Radio Science, 2001, 36 (4), pp.801-814
Abstract: The Super Dual Auroral Radar Network (SuperDARN) of over-the-horizon HF radars forms a powerful diagnostic of large-scale ionospheric and magnetospheric dynamics in the Northern and Southern Hemispheres. Currently, the ground location of the HF radar returns is routinely determined by a simple range-finding algorithm, which takes no account of the prevailing HF propagation conditions. This is in spite of the fact that both direct E and F region backscatter and 1½-hop E and F region backscatter are commonly used in geophysical interpretation of the data. Here HF radar backscatter which has been artificially induced by the high-power RF facility (ionospheric heater) operated by the European Incoherent Scatter Scientific Association at Tromsø is used to provide a range calibration for the SuperDARN radars. The known ground range, the measured radar slant range, and the group path calculated by a ray-tracing simulation are compared. The standard algorithm for backscatter ground range location is found to be accurate to within 16 km and 60 km for direct and 1½-hop backscatter, respectively.
DOI Link: 10.1029/2000RS002558
ISSN: 0048-6604
eISSN: 1944-799X
Type: Article
Rights: Archived with reference to SHERPA/RoMEO and publisher website.
Appears in Collections:Published Articles, Dept. of Engineering

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