
An image of the new EM 304 transducer on the underside of NOAA Ship Okeanos Explorer, looking athwartships (looking in the fore-and-aft line of the vessel, in a lengthwise direction).
An image of the new EM 304 transducer on the underside of NOAA Ship Okeanos Explorer, looking athwartships (looking in the fore-and-aft line of the vessel, in a lengthwise direction).