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Keenan Ball working on acoustic modem project.

Keenan Ball working on acoustic modem project.
Keenan Ball working on acoustic modem project.
Keenan Ball working on acoustic modem project.
Keenan Ball working on acoustic modem project.
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106804
Kleindinst, Thomas N.
Keenan Ball working on acoustic modem project.
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09/22/2004
media-migration-2004-128-2004_128_dsc_1138.jpg
Year: 2004, Roll:128,
September 22, 2004
Lee Freitag's Acoustic Modem.
Caption from Oceanus magazine, Vol. 44, No. 1, Pg. 21:
Next-generation ocean-monitoring technology being developed by WHOI researchers may be incorporated into future tsunami warning systems. Above, engineer Keenan Ball (shown here) tests a high-speed acoustic modem to send data between seafloor instruments and surface buoys. At left, seismologist John Collins and geologist Beecher Wooding (not shown here) examine an ocean-bottom seismometer that records undersea earthquakes. Below, engineer Lee Freitag (not shown here) is working on acoustic communications systems for ocean observatories.
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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