Transmission Characteristics of the SOFAR Channel

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 1970 English Publisher:Acoustical Society of America (ASA)Journal:The Journal of the Acoustical Society of America, volume 48, pages 767-769 (issn: 0001-4966, eissn: 1520-8524,

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Authors: D. C. Webb; M. J. Tucker;

doi: 10.1121/1.1912201

Transmission Characteristics of the SOFAR Channel

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Abstract

The transmission of long single-frequency pulses of sound in the deep sound channel is described. Pulses of 2-sec duration and 778-Hz carrier frequency were transmitted for ranges up to 270 km in the area south of Bermuda. The measurements include the attenuation coefficient, transition range, and horizontal small-scale spatial variation. The transmission measurements were made to evaluate the feasibility of a freely drifting Swallow float able to signal for extended periods to land-based receiving stations.

Related Organizations

National Institute of Oceanography
India
Woods Hole Oceanographic Institution
United States

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