Image:Underwater-microphone hg.jpg

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Description	hydrophone used for scientific studies, see PALAOA - PerenniAL Acoustic Observatory in the Antarctic Ocean http://www.awi.de/en/research/new_technologies/marine_observing_systems/ocean_acoustics/palaoa/
Source	own work
Date	2007-06-20
Author	Hannes Grobe 09:30, 23 June 2007 (UTC), Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany
Permission (Reusing this image)	Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5)

I, the copyright holder of this work, hereby publish it under the following license: This file is licensed under the Creative Commons Attribution ShareAlike 2.5 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. Official license

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