EXPERIMENTAL EVALUATION OF EXPENDABLE BATHYTHERMOGRAPHS.
ASW Sonar technology rept.
LITTLE (ARTHUR D) INC CAMBRIDGE MASS
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To measure the vertical ocean temperature profile, the U. S. Navy developed a mechanical bathythermograph MBT before World War II. Although the MBT has many deficiencies, it has been modified only slightly and is still in general use. Because difficulties have been encountered with the MBT, the Navy is seeking a new BT that will be more suitable for use aboard ASW and other vessels and that will improve the sonar range prediction capability of the fleet. In particular, the Navy is evaluating several versions of low-cost expendable bathythermographs XBT for its tactical forces. This report describes the results of a series of experiments performed to evaluate the accuracy, precision, and reliability of XBTs produced in the latter half of calendar year 1964 by the following three manufacturers Francis Associates, Bissett -Berman, and Packard Electric. The test program was under the management of U. S. Navy, Underwater Sound Laboratory, New London, Connecticut. Author
- Physical and Dynamic Oceanography
- Marine Engineering
- Undersea and Antisubmarine Warfare