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Country of Origin: Germany


The DSQS-21 (also known as the ASO 83-86 series) is an active, panoramic, medium-frequency anti-submarine sonar found in anti-submarine surface ships. It began development as Sonar 80 as part of Germany's Type 122 (BREMEN-class ) frigate program.

The DSQS-21 is available in three sizes: B for ships of frigate and destroyer size; C for corvette- and frigate-sized ships; and D for corvette and smaller-sized ships. Each of these installations can be fitted with electronic...

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