Sea Technology

APR 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 April 2018 | ST 5 APRIL 2018 Volume 59, No. 4 CONTENTS FEATURES 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 A diver in the Gulf of Mexico performing tendon corrosion cap removal using a low-clearance split frame saw July 2016. (Photo Courtesy of Phoenix International, Credit: Rosti Havlik) NEXT MONTH AIS terrestrial and satellite technology for maritime radiocommunication … A new approach to undersea telemetry and networking … SeaTag-MOD satellite pop-up tags … Challenges to mari- time communications … Conference Previews: CLEAN PACIFIC 2018 and UDT 2018. 10 BOURNE TIDAL TEST SITE Stephen B. Barrett (Barrett Energy Resources Group, MRECo), Maggie L. Merrill (freelance) and John R. Miller (MRECo) introduce the only fixed, partial-scale, pre-permitted tidal wave energy site in the world. 15 OCEANS'18 MTS/IEEE KOBE/TECHNO-OCEAN 2018 KOBE —Conference Preview 16 OTEC MARKET ON THE RISE Berend Jan Kleute (Bluerise) discusses the rise of the emerging ocean thermal energy conversion (OTEC) industry and outlines upcoming Bluerise OTEC projects. 21 OFFSHORE TECHNOLOGY CONFERENCE —Conference Preview 24 AUVSI XPONENTIAL —Conference Preview Pipe Tracking with Smaller ROVs Now At Your Fingertips! The new HydroPACT 660 www.teledynemarine.com Small Form Factor With a single coil array, the 660 is suitable for both smaller classes of ROV and larger TMS launched vehicles. Lightweight Weighing only 15.8 kg yet maintaining 85% operating performance of the 440, the lightweight design is suitable for smaller ROVs. Power Options The first ever VDC power supply is now available as an option for the 660 system; choose 24VDC or 110VAC PSU pods. 7 Editorial 36 Marine Reources 9 Soundings 38 Contracts / Meetings 26 International 39 People 28 Ocean Business 41 Soapbox 30 Product Development 40 Professional Services Directory 32 Marine Renewables 42 Advertiser Index 34 Marine Electronics

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