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erin jeanne moos ping sounds_00001129.jpg
erin jeanne moos ping sounds_00001129.jpg

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    How the pingers aboard Flight 370 work

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How the pingers aboard Flight 370 work

The man whose company made the pingers believed to be on Flight 370's black boxes shows how they work.

How the pingers aboard Flight 370 work

The man whose company made the pingers believed to be on Flight 370's black boxes shows how they work.