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Country of Origin: USA


The AN/SQS-43 was a long-range, active/passive, search and attack sonar. It was an AN/SQS-29 sonar (a development of the AN/SQS-4 ) modified to provide additional capabilities (see separate database entries).

The modifications consisted of a Maintainability And Repair Kit (MARK) and Steered Directional Transmission (SDT) to provide the sonar with continuous tracking. In addition, the SQS-43 was designed to share signal generating and processing equipment ("stack") with...

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