Military Periscope Logo

DRUA 33 Calypso

Country of Origin: France


The French Calypso series of submarine-fitted surface search radars was developed by Thomson-CSF from the earlier DRUA 33, which entered French naval service in 1964.

The transmitter is frequency-adjustable and can operate in several modes: continuous scan, sectoral, 0.1- or 1-second burst, or passive (receive only).

The Calypso II/IIIs are driven by magnetrons; Calypso IV uses a klystron. The receiver has a logarithmic anti-clutter chain. The transmitter/receiver cabinet is...

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.