Previous attempts to detect Eclipse-induced acoustic gravity waves (AGWs) have met with varying degrees of success. In this study the speed and direction of the waves have been determined at two widely spaced locations by an HF Doppler technique. The AGW activity following the eclipse was different to the background waves detected before the event in amplitude, speed and direction. The velocity vectors are consistent with a generating mechanism for the waves based on the supersonic passage of the cooled region of the atmosphere during the eclipse.
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