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Country of Origin: USA


The AN/SQS-32 was the AN/SQS-4 Mod 4 scanning sonar with two additional capabilities: Rotational Directional Transmission (RDT) that made up for the lack of power in any one direction by producing a succession of intense beams, and Acoustic Short-Pulse Echo Classification Technique (ASPECT) that provided a short burst of signals in a steered beam to provide some indication of the target shape.

The operating frequency is 14 KHz.


Initial operational capability in the late 1950s....

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