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The Oden's crane and basket sent to recover transponder.

The Oden's crane and basket sent to recover transponder.
The Oden's crane and basket sent to recover transponder.
The Oden's crane and basket sent to recover transponder.
The Oden's crane and basket sent to recover transponder.
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75210
Linder, Christopher
The Oden's crane and basket sent to recover transponder.
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09/11/2007
graphics/agave2/cl_20070710_agave07_transponders_018.jpg
Several days ago, two transponders were sent to the seafloor to provide sound beacons to navigate underwater robotic vehicles. It was time to retrieve them-if possible. Usually, that's easy. You send a signal to release the transponder from its anchor and it floats to the surface. But in the Arctic, the surface is ice-covered. One transponder surfaced beneath an ice floe. WHOI engineer John Kemp could detect where it was, and he guided Oden's crew to jiggle the floe. The transponder popped out from beneath it into a narrow lead. Kemp used the ship's crane and basket to lasso it with a pole and rope and brought it back aboard.
Photo by Chris Linder
© Woods Hole Oceanographic Institution
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