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News > Side-scan Sonar Reveils Mined Submarine

Side-scan Sonar Reveils Mined Submarine

  25/06/2009
IXSEA chose the historic naval port of Plymouth (UK) to demonstrate the SHADOWS seabed mapping sonar with Geosa, an oceanographic and marine innovation support company. The two week mobilisation, including IXSEA GAPS, saw more than fifteen companies from European-based offshore and hydrographic survey industries witness the real time data acquisition and processing capabilities across its full 600m swath coverage. Amongst the mapped objects, a mined submarine was discovered.
 

Mined Submarine discovered in harbour near Plymouth (UK)

IXSEA demonstrated route survey, environmental and archaeological recognisance and detailed wreck surveys which were well received by industry representatives.

 

Based in Oreston-Plymouth at the mouth of the Plym, GEOSA currently provides permanent employment for six people and accumulated over 1000 man days of employment through its project based activity in 2008. GEOSA is in the final stages of the redevelopment of its site, which will see a new 2.7 acre quayside facility with carnage and dedicated marine assets.  

 





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 USBL  Offshore  mapping 

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U.S. Geological Survey were out on the Missouri River at Williston, North Dakota, USA, performing a hydrographic survey to monitor the state of riverbed erosion. They were using a multibeam echo sounder which transmits sound energy and analyzes the return signal (echo) that has bounced off the riverbed or other objects. Multibeam sonars emit sound waves from directly beneath a ship's hull to produce fan-shaped coverage of the riverbed. 

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