Inventors:
Phillip R. Anderson - Ellicott City MD
Robert P. VAN Eepoel - Catonsville MD
Assignee:
The United States of America as represented by the Secretary of the Navy - Washington DC
International Classification:
G01S 966
Abstract:
1. A channel defining system for aiding the navigation through a body of er of a vessel equipped with a high resolution pulsed catacoustic system adapted to scan the bottom in range abeam of the vessel comprising
An elongated buoyant ridge-like strip of acoustic reflecting material extending lengthwise of the channel on the channel bottom and laterally spaced from the center line of the channel by a substantially constant known distance, and
Anchoring weights secured to said strip at spaced positions along its length.