Kill Low News Today

Click coming in thats the sound of the pinger. you can have a visual representation of it. so, what we see here is the frequency that the sonars picking up or hydrophone is picking up in the water and theres energy in a band. if youre looking for the underwater locator beacon, you would make sure thats in the 37 kill low hertz band. theyre looking at right sound the. >> reporter: other thing theyre doing is side scan sonar, that can see more whats underneath the boat, right? >> right. this is do...