CNN CNN Special Report April 16, 2014 03:15:00
>> this is fantastic. this is the path of the vehicle. the robot is heading in this direction, sending out pings to either side. the side comes and bounces off objects. it is a hard return. a shadow behind it. this is a ship sitting on the bottom and you can see it went over the top of the ship. it leaves a gap beneath the vehicle. why they call it a side scan or side-looking sonar. >> when you get an image like this it is actually two images with the center. >> it is two beams on either side of...
Source: archive.org