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array escort sonar system towed

surveillance towed-array program named Surveillance Towed. Array Sonar System ( SURTASS) and Escort Towed Array. Sonar System (ETASS). ... Habitability standards of the Neustrashimy class escort ship are fairly high. ... The towed transducer array is used primarily in adverse hydrological ... The towed array came into use to mitigate the effect of a vessel's own noise upon passive sonar systems; it consists of a string of passive hydrophones ...