Tech Talk: Recording and Analyzing Marine Mammal Sounds (Free Event)

  • Sunday, March 19, 2023
  • 12:00 PM - 1:00 PM
  • The Great Room at BARN. Class Code: EL031923JH+
  • 0


  • Free

Registration is closed
Listen to Jim and Dave describe their work developing an underwater marine mammal noise acquisition system.

About this Event

Jim and Dave have recorded/analyzed Orca and Humpback whale sounds in the Bainbridge Island and Puget Sound waters. Jim and Dave will describe how the local community can collect data in their own backyard of Puget Sound using hydrophones with wireless data transmitters. For more information on this Marine Mammal project read more here

Come listen to how you could listen/record marine mammals in your area.


  • Free, but please register. 
  • This event is planned for the Great Room on the upper floor.

Class Policies


Jim Henderson spent his civilian career exploring the world’s oceans while doing highly complex technical and scientific projects. He was an Air Force pilot in Vietnam where he had is first opportunity talking on radios. He has built various radio-related projects for use when fly fishing and exploring remote locations in the Western US. He is active in HAM radio (K7EXP) and is a trustee of the island's Amateur Radio Club.

Dave Bonnett trained in electronics and flew as crew Radioman/Nav and ASW systems operator in long-range patrol squadrons. He served on a number of Nuclear submarines before retiring from the Navy in 1979 and has worked in underwater acoustics in most of the world's oceans for several companies.  Since retirement in 2005, he has studied marine mammals in the Amazon (Pink River Dolphins) and helped analyze the acoustics of various marine mammals including blue, sperm and killer whales. He's studying the impact of man-made noise on marine mammals. 

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