LRAPP Vertical Array. Phase II
2006
Jones, C. H.
A vertical array of six hydrophones on a 13,050 ft. cable was built for measuring noise in the ocean over the frequency band from 10 Hz to 300 Hz. The hydrophones have a high sensitivity to acoustic signals. They have a low self noise and a low sensitivity to acceleration. The small size and ruggedness of the connector hydrophone makes it practical to wind the entire array onto a drum so that it can be deployed and retrieved with a minimum amount of handling. Special watertight connectors were designed that fit inside a pair of split cylinders which mechanically couple each hydrophone to the cable sections. This permits the replacement of a hydrophone simply by uncoupling the split couplers, unplugging the old hydrophone and plugging in the new hydrophone.
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