Comparison of Spectrograms

Here is a comparison of Spectrograms from a Fish Finder & the recording we captured of an unknown animal on July 31, 2014 near Scotch Bonnet in Lake Champlain. Notice the difference in frequency and make note of the top of the Spectrogram. The Fish Finder is a constant and even where the recording of the unknown animal is a destinct pattern.

Fishfinder julyrecordingclicks

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