High‐Latitude Off‐Great Circle Propagation Associated With the Solar Terminator
T. G. Cameron,
R. A. D. Fiori,
G. W. Perry
et al.
Abstract:Large‐scale ionospheric gradients associated with the solar terminator can deflect high frequency (HF) radio waves to off‐great circle paths during the morning and evening, negatively impacting technologies reliant on HF radio wave propagation. For example, geolocation algorithms used by scientific and military over‐the‐horizon radars (OTHRs) generally assume on‐great circle propagation, and thus lateral deviations from the great‐circle path can lead to positioning errors. In this study, radio wave propagation… Show more
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