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PRS 3-4

Country of Origin: Germany


The PRS 3-4 is a passive ranging sonar fitted with 40 hydrophones. The sonar can be used in association with the CSU 3 active scanning sonar or as a standalone system. It is designed for passive target detection and range finding of submarines.

The sonar has two operating modes.

In the normal mode, it detects the radiated noise of an enemy submarine and determines its bearing and distance. The target's speed and course are also calculated. These functions can be performed for four...

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