Military Periscope Logo

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...

Please log in to continue reading.

Not yet a subscriber? Take a free trial.

Military Periscope gives you easy-to-use, integrated, open-source intelligence on…

  • More than 7,500 weapons systems and platforms
  • Nearly every country's armed forces
  • Militant organizations
laptop image

Try Military Periscope free for seven days