Page 23: of Maritime Reporter Magazine (December 1973)

Raytheon Introduces

Doppler Speed Log

A versatile new sonar navigation product for commercial marine use has been introduced by Raytheon

Company. Called the Fairway Dop- pler Speed Log, it provides precise speed logging to 1,000-foot depths— 400 feet deeper than the 600-foot depth that has previously limited bot- tom-tracking instruments.

The Fairway Doppler Speed Log gives accuracy of one-half of one percent of the speed range of 40 knots and provides a distance read- out with resolution of one-tenth of a nautical mile. Depth indication and selectable depth alarm are offered as built-in optional extras.

The system is all solid state and utilizes the latest in digital processing technology to provide accurate main- tenance-free operation. The bridge control unit features an easy-to-read digital display that can be cabinet mounted, attached to a bulkhead or hung from the overhead. Analog and digital repeater displays can be posi- tioned throughout the ship as de- sired.

Speed and depth-data inputs can also be furnished to true-motion ra- dars, collision-avoidance displays and electronic navigators. The product utilizers dual narrow beams from a transducer array that is mounted eas- ily in a gate valve or sea chest.

Additional information and litera- ture on the Fairway Digital Doppler

Sonar Speed Log can be obtained from the marketing manager, Ray- theon Maritime Systems, Portsmouth,

R.I. 02871.

Port of Long Beach

Handbook Available

A totally revised harbor handbook for the Port of Long Beach, Calif., has been published and is now avail- able. The new handbook, which de- tails every berth and facility in the port, may be obtained by writing to the Port of Long Beach, Public Re- lations Division, P.O. Box 570, Long

Beach, Calif. 90801.

Propeller Club Holds

Essay Contest For

High School Students

Free trips on American ships to the Mediterranean, South Africa,

Europe, the Orient, the Caribbean and South America; coastal cruises on Atlantic, Gulf and Pacific

Coasts; and Mississippi and Ohio

River trips are offered to high school students throughout the

United States as national prizes in the 39th Annual Harold Harding

Memorial Essay Contest of The

Propeller Club of the United States and its member local Propeller

Club Ports.

Jasper S. Baker, national presi- dent, in announcing this year's contest, stated: " This contest has been held successfully for 38 years to broaden the education of teen- age students in maritime matters of vital importance to our country, and to acquaint our younger gen- eration with the necessity for a strong American merchant marine and marine industry for our eco- nomic prosperity and national se- curity."

The theme of the 1973-1974 con- test is "Our American Merchant

Marine—To Assure Our Economic and Energy Needs." The contest closes March 1, 1974. National prize winners will be announced on

National Maritime Day, May 22, 1974. Last year, 15 high school students won national prizes. For full details, inquiry should be made to local Propeller Clubs or to The

Propeller Club of the United

States, 17 Battery Place, New

York, N.Y. 10004. The Propeller

Club is a nonprofit educational maritime society whose 85 clubs and 13,000 members are devoted to the promotion, furtherance and support of the American merchant marine and its allied and associ- ated industries.

Dromgool Associates

Formed In New York

The formation of the maritime agency firm of Dromgool Associ- ates Inc. with offices at 67 Broad

Street, New York, N.Y., has been announced by Thomas A. Drom- gool. The firm will deal in agency, stevedoring, port utilization and ship repair activities, he reported.

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December 1, 1973 27