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  2. Fishfinder - Wikipedia

    en.wikipedia.org/wiki/Fishfinder

    A modern fishfinder displays measurements of reflected sound on a graphical display, allowing an operator to interpret information to locate schools of fish, underwater debris and snags, and the bottom of a body of water. Fishfinder instruments are used both by recreational and commercial fishermen, as well as by marine biologists.

  3. Fish finder - Wikipedia

    en.wikipedia.org/wiki/Fish_finder

    Fish finder may refer to: Fishfinder , a sonar device attached to a boat, used to measure the amount of fish at various depths underneath the boat Fish identifier, an identification key used in fishing to identify the species of a caught fish

  4. Deeper Fishfinder - Wikipedia

    en.wikipedia.org/wiki/Deeper_Fishfinder

    Operation of Deeper is based on echolocation and wi-fi technologies. Echolocation is a method for detecting and locating objects submerged in water. When a sound signal is produced, the time it takes for the signal to reach an object and for its echo to return is issued to calculate the distance between the sonar and the object.

  5. Echo sounding - Wikipedia

    en.wikipedia.org/wiki/Echo_sounding

    A fishfinder is an echo sounding device used by both recreational and commercial fishers. ... the two return signals do not typically interfere with each other. Dual ...

  6. Fisheries acoustics - Wikipedia

    en.wikipedia.org/wiki/Fisheries_acoustics

    Fishfinder sonar Fisheries acoustics includes a range of research and practical application topics using acoustical devices as sensors in aquatic environments. Acoustical techniques can be applied to sensing aquatic animals , zooplankton , and physical and biological habitat characteristics.

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