D doc Member Joined Jul 3, 2005 Messages 274 Reaction score 0 C Dory Year 2017 Vessel Name Bella Rey Aug 10, 2010 #1 Any brats using hydrophones aboard for listening to whales etc? I want to get one and would be interested in what others are using.
Any brats using hydrophones aboard for listening to whales etc? I want to get one and would be interested in what others are using.
