| 41. | Brian Simpson, said the hydrophone recorded a loud noise in the water, followed by others over the next 10 minutes.
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| 42. | The buoy relays acoustic information from its hydrophone ( s ) via UHF / VHF radio to operators on board the aircraft.
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| 43. | By determining the sound's time of arrival at each hydrophone, the 3D position of the fish can be calculated.
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| 44. | The lights in " U-353 " went out and water entered forward and aft through the hydrophone shafts.
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| 45. | Since the pinger signal is relatively weak, the hydrophone must be within about one nautical mile ( ) to detect it.
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| 46. | It's just a sound that it generates so it can be picked up by a hydrophone / Towed pinger locator.
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| 47. | A hydrophone dipped into the water after the sun went down one night let our group eavesdrop on their high-pitched vocalizations.
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| 48. | He installed a hydrophone a quarter mile off the beach into the Pacific a year ago to eavesdrop on this usually unheard world.
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| 49. | Never having deployed one past a mile, the titanium-shelled hydrophone was designed to withstand the immense pressure 7 miles under.
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| 50. | One torpedo had found its mark on the battleship's bow, which caused flooding of the hydrophone compartment and 18 casualties.
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