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The AN/SQS-10 was a obsolete search and attack sonar for Anti-Submarine Warfare (ASW) destroyers and escorts. The sonar was also fitted to the US TANG (SS 563)-class submarines. (The designation was originally QHB-3.)

The SQS-10 operateed at a frequency of 20 KHz and scaned at 150 cycles per second with a 19-degree beam. The range scale could be set at 1,000, 3,000, or 6,000 yards (914, 2,743, or 5,486 m) with respective power levels and pulse lengths of 50 kW at 6...

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