20-Hz Signals Observed in the Central Pacific
- 1 February 1968
- journal article
- research article
- Published by Acoustical Society of America (ASA) in The Journal of the Acoustical Society of America
- Vol. 43 (2) , 383-384
- https://doi.org/10.1121/1.1910799
Abstract
Signals of 20 Hz were recorded at SOFAR depth hydrophones of the Pacific Missile Range at Midway, Wake, Oahu, and Eniwetok Islands in the North Pacific. The signal strength, source movement, and seasonal peak (in winter) suggest a biological source.Keywords
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