Sea Technology

MAY 2018

The industry's recognized authority for design, engineering and application of equipment and services in the global ocean community

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www.sea-technology.com May 2018 | ST 5 MAY 2018 Volume 59, No. 5 CONTENTS FEATURES 7 Editorial 37 Marine Electronics 9 Soundings 38 Navy Currents 26 Capital Report 39 Contracts/Meetings 28 Ocean Business 40 Professional Services Directory 30 Product Development 41 Soapbox 33 International 42 Advertiser Index 35 Offshore Oil & Ocean Engineering DEPARTMENTS ©Copyright 2018 by Compass Publications, Inc. Sea Technology (ISSN 0093-3651) is published monthly by Compass Publications, Inc., 4600 N. Fairfax Dr., Suite 304, Arlington, VA 22203; (703) 524-3136; FAX (703) 841-0852. All rights reserved. Neither this publication nor any part of it may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior permission of Compass Publications Inc. Periodicals postage paid at Arlington, Virginia, and additional mailing offices. Subscriptions may be purchased at the following rates: domestic, $60 one year; $80 two years; foreign air mail, $144. Single copies $4.50 plus shipping and handling (current issue only). POSTMASTER: send address changes to Compass Publications, Inc., P.O. Box 600, Deer Isle, ME 04627-0600. CUSTOMER SERVICE, Tel. 1-800-989-5253 or 1-207-348-1057. COVER IMAGE Cellula Robotics' Imotus vehicle during a docking demonstration for Ocean Networks Canada in Burnaby, British Columbia, Canada, November 2017. Imotus-1 is a hovering AUV (HAUV) with 6 degrees of freedom for inspection and data acquisition missions in confined environments. Imotus-1 uses scanning sonars and proprietary simultaneous localization and mapping (SLAM) algorithms to provide navigational control and spatially referenced survey data. NEXT MONTH U.S. Navy looks to bolster ship capabilities in Arctic Ocean … Echoscope 4G Surface sonar for shallow-water projects … Mapping the estuarine seafloor in extreme shallow water with vessel-based acoustic instruments … Satellite-derived bathymetry, marine habitat maps for aqua- culture site selection … GEBCO-NF Alumni Team Technology Readiness Tests for Shell Ocean Discovery XPRIZE using combined USV-AUV system. 10 OCEAN DASHBOARD Marco Flagg (Desert Star Systems LLC) makes the case for a revolution in ocean sensing using inexpensive smart sensors. 17 CLEAN PACIFIC — Conference Preview 18 FULL-DUPLEX COMMS Justin Manley (Just Innovation Inc.), Michael Murphree and Greg Folts (QinetiQ North America) discuss the benefits of simultaneous transmission and receipt for static and mobile nodes in acoustic underwater communication technology. 23 UNDERSEA DEFENCE TECHNOLOGY — Conference Preview When the pressure is on, depend on us to keep you connected. www.teledynemarine.com IMAGING • INSTRUMENTS INTERCONNECT • SEISMIC • VEHICLES We provide the broadest range of high performance electrical, optical, and hybrid interconnect capabilities, optimized for use in mission- critical applications. 23 10 17 18 9

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