Page 55: of Marine Technology Magazine (January 2007)

www.seadiscovery.com Marine Technology Reporter 55

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Coast Survey. EdgeTech's 4200-FSL

Side Scan Towfish, operating dual simultaneous frequencies of 300/600 kHz, was mounted underneath the

USV and is designed to provide very high-resolution sonar data that will be used to map hurricane debris and update nautical charts in Mobile Bay.

For more information email [email protected]

ALDA Upgrades Cable

Planning Software

ALDA Marine, a partnership between Alcatel Submarine Networks and Louis Dreyfus Armateurs, pur- chased four upgrades and an addi- tional full license of Makai's suite of submarine cable planning and instal- lation software. The MakaiLay soft- ware provides ALDA with the capa- bility to automatically control the cable engine, enhancing their ability to control cable slack and accurate placement of the cable on the seafloor. Alcatel has also renewed technical support for twenty-two licenses of MakaiPlan, the desktop submarine cable route planning soft- ware that integrates with the at-sea installation software, MakaiLay.

For more information email

[email protected]

Underwater Detection

Deep Development Corp. said the

Underwater Detection Unit (UDU) is now available. The UDU is designed to provide high definition sonar imagery in a rapidly deployable fully integrated package. With a range of 450 ft., the UDU provides sonar imagery similar to that of med- ical ultrasound equipment. An optional underwater hailing system is also available that allows for one-way communication with a diver or underwater threat. With a price tag of less than $70,000, the UDU is a fully integrated, turnkey sonar designed for use in underwater secu- rity operations, dive monitoring, search & recovery, inspection and subsurface biological research.

Included are all the necessary compo- nents for mounting the sonar head, cabling, interface connections, and tablet PC to view and process the sonar data. Available in two configu- rations, the UDU can be permanent- ly mounted to a surface vessel or packaged in a portable hard case so it can be easily transported by a single person.

For more information email tmacfar- [email protected]

Tracking Made Easy

Easytrak is a USBL tracking system designed and manufactured by

Applied Acoustic Engineering in the

U.K. and sold in the U.S. by Subsea

Technologies of Houston.

Designed as a portable and cost effective solution for tracking subsea targets such as ROV's, AUV's, divers and towfish, Easytrak can also be used for salvage operations, hull and dam inspection, archaeology and oceanographic research.

At every stage both the equipment and accompanying software interface has been cleverly designed to be user- friendly and uncomplicated, even for a relatively inexperienced user, so that the subsea tracking operation can proceed efficiently.

For more information email [email protected]

Long-range Acoustic Current Profiler

Following the release of its

FlowQuest 300 and 600 acoustic current profilers, LinkQuest Inc. debuted the long-range FlowQuest 150 current profiler, extending the same acoustic Doppler technology to lower operating frequency with higher power transmission. The

FlowQuest 150 acoustic current profiler is designed to reach up to 500 m in range with an accuracy of 1% +/- 5 mm/s. The standard depth rat- ing of the system is 800 m with options for 1,500, 3,000 and 6,000 m. With its capability for significantly longer range, significantly reduced cost to end users and the Data Fusion function for interfacing to multiple third-party sensors, the FlowQuest system is an ideal system for deepwater current and flow monitoring.

For more information email [email protected]

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