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News > Dual Head Echo Sounder Installation

Dual Head Echo Sounder Installation

  31/10/2011
MMT Group has purchased and installed a Kongsberg EM2040D dual head multi-beam echo sounder on its survey and ROV vessel IceBeam. By operating an EM 2040 dual head, MMT is even-better prepared to perform surveys that meet the IHO-S44 special order.
 

Image made with the EM204- echo sounder

According to Kongsberg, this is the first multi-beam echo sounder to combine all of the advanced features of deepwater echo sounders to the near-bottom sounding environment. Such features include dual swath per ping to maintain a high survey speed; FM chirp to achieve a much longer range capability; complete roll, pitch and yaw stabilisation and near-field focusing both when transmitting and receiving.

 

This picture is taken by MMT from acoustic data from Em2040 Dual Head during a test, showing seabed rocks, troughs etc. It is a sample of data collection from this echo sounder.

 

The EM2040D allows MMT to measure a wider swath width but with higher resolution (more and narrower beams).

 

 




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How to Use QPS' Qimera to Validate Processed Point Files

QPS Qimera processing software has been released earlier this year. To demonstrate the capabilities, this video shows how to load processed point files into a Qimera Project. It explains what processed point files are; how to specify the coordinate system of the project and the source files; how to create a Dynamic Surface from processed point files and how to change the dynamic surface and adjust the colour map to aid data editing and validation.

 

 

geo-matchingcomQPS Qimera on Geo-Matching.com

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