SALTONSTALL KENNEDY GRANT PROGRAM
Long-Range Tuna School Detection
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GRANT NUMBER: NA77FD0044           NMFS NUMBER: 96-SWR-001

REPORT TITLE: Long-Range Tuna School Detection

AUTHOR: Gerald F. Denny and Patrick K. Simpson

PUBLISH DATE: September 30, 1997

AVAILABLE FROM:  National Marine Fisheries Service, Southwest Region, 501 West Ocean Boulevard, Long Beach, CA 90802-4213.  TELEPHONE:   (562) 980-4033

ABSTRACT

A bi-static sonar system design has been developed by Scientific Fisheries Systems, Inc. (SciFish) to detect schools of tuna at longer ranges and for a greater portion of the day than was previously attainable. This system included the ability to detect tuna schools not associated with other animals, such as dolphins or birds. The design incorporates current technology at both a low technical risk and low cost by using techniques developed for military use and Commercial-Off-the-Shelf(COTS) equipment. This system was developed with inputs from the tuna fishing fleet to maximize usefulness and minimize the added workload on personnel at sea.

 
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