Publication Date:
2013-12-11
Description:
[1] DSTO has initiated an experimental programme, SpICE (Spatial Ionospheric Correlation Experiment), utilising state-of-the-art DSTO designed high frequency (HF) digital receivers. This programme seeks to understand ionospheric disturbances at scales 〈 150 km and temporal resolutions under 1 minute through the simultaneous observation and recording of multiple quasi-vertical ionograms (QVI) with closely spaced ionospheric control points. A detailed description of and results from the first campaign conducted in February 2008 were presented by [13]. In this paper we employ a 3D magneto-ionic Hamiltonian ray tracing engine (PHaRLAP), developed by DSTO, to (1) model the various disturbance features observed on both the O and X polarization modes in our QVI data and (2) understand how they are produced. The ionospheric disturbances which produce the observed features were modelled by perturbing the ionosphere with atmospheric gravity waves.
Print ISSN:
0148-0227
Topics:
Geosciences
,
Physics
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