What is DIDSON?

DIDSON stands for dual-frequency identification sonar. It has been referred to as an "acoustic camera" because of the near video-quality images is produces using very high frequency sound  waves. Its advantages are that it can be deployed in shallow waters where traditional sonars have more difficulty and it allows users to visualize with near video quality, images below the water's surface.

What can DIDSON be used for?

DIDSON has many applications in fisheries and aquatic science. It can be used for enumerating and measuring indivudual fish passing through streams, fish ladders, and other areas of interest and for identifying bottom features and habitat. Using DIDSON, Milne Technologies has helped clients count fish, including sturgeon, migrating upstream, and view underwater nets to ensure proper deployment and to quantify escapement.

Visit the manufacturer's website for further information about DIDSON technology and its applications. 

Services that Milne Technology provides related to DIDSON:
   •  Purchasing or leasing of appropriate equipment depending on project scope and objectives
   •  On-site set-up and deployment of equipment and project maintencence
   •  Develop scientifically rigorous study design in consulation with client
   •  Detailed analysis of data including automated enumuration and measurement of fish targets
   •  Written report including publication-quality methods, results and recomendations for future projects