Military Periscope Logo



Country of Origin: France


The HS/70 is a helicopter dipping sonar that, with slight modifications, can be installed in small surface ships. The HS/70 has three basic methods of operation: active detection, passive monitoring and submarine communications. Passive monitoring uses only the receiving equipment to detect signals within a pre-determined frequency mode. Only the azimuth of a perceived threat may be targeted in this mode. In the third mode, reduced-power sound waves are transmitted and coded for...

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

Military Periscope Logo

Your online source for military news, weapons, and nation's armed forces worldwide

Military Periscope FEDLINK information

Service ID: UC Contract Number: LCFDL19D0065

Military Periscope is a product of GovExec.

600 New Hampshire Ave., Suite 510,

Washington DC, 20037, USA.

(+1) 202-450-3967

©Military Periscope 2024

All rights reserved. Redistribution of the content is prohibited without prior consent of Military Periscope.