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File:Akblue52a 256 064c.jpg

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    Spectrogram of 52 Hz whale-like signals

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    English: Spectrogram of 52 Hz "whale-like" signals, which were first reported by Watkins et al.(2000). On average these tones had a center frequency of 51.75 Hz and lasted 5-7 sec. These tones are usually produced in groups of 2-6 and were recorded in the NE Pacific.
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    Source http://www.pmel.noaa.gov/vents/acoustics/whales/sounds/sounds_52blue.html
    Author NOAA

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    This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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    current18:51, 17 September 2012Thumbnail for version as of 18:51, 17 September 2012300 × 137 (15 KB)Braincricket (talk | contribs)User created page with UploadWizard

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