Jossia Joseph, National Institute of Ocean Technology, Ocean Observation Systems, Chennai, India, Amit Tandon, University of Massachusetts, Dartmouth, Mechanical Engineering, Dartmouth, MA, United States, Venkatesan Ramasamy, National Institute of Ocean Technology, Ocean Observation Systems, Chennai, TN, India, J. Thomas Farrar, Woods Hole Oceanographic Inst, Department of Physical Oceanography, Woods Hole, MA, United States and Robert A Weller, WHOI, Monument Beach, MA, United States