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Norm Farr with his cell phone using coverage via his optical modem.

Norm Farr with his cell phone using coverage via his optical modem.
Norm Farr with his cell phone using coverage via his optical modem.
Norm Farr with his cell phone using coverage via his optical modem.
Norm Farr with his cell phone using coverage via his optical modem.
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Decicco, Alex
Norm Farr with his cell phone using coverage via his optical modem.
Still Image
04/18/2006
Farr-Omodem.jpg
Image Of the Day caption:
During a recent test of the optical modem he designed, WHOI engineer Norm Farr extended the coverage of his cellular carrier by about 500 meters (0.3 mile)straight down. The optical modem provides high bandwidth, low-power underwater communications using LED-based blue light, allowing scientists to upload large amounts of data and transmit video in near real-time from seafloor sensors. Farr is shown here inside one of the submersibles from the research vessel Alucia making a cell phone call to WHOI's Melissa Patrician on the ship.
Photo by Alex Decicco
© Woods Hole Oceanographic Institution
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