Echo Sounding News Today

New research could survey seabeds from the sky.

Was probably a surprise to them when they realized, wow, this is deeper than we thought. >> i want to go back to perth, jeffrey thomas is joining us from perth, editor in chief of airlineratings.com. whats the latest youre hearing as far as this underwater search is going on? youre there on the scene, jeffrey. >> reporter: indeed, wolf. look, the way its been described to me is that this first mission that was aborted, this is more of a shakedown mission to see what the operating environment is ...

Deep, about three miles, and has a pretty sophisticated series of sonar and whats called a multi-beam echo sounding that gives you a clear picture of the c-4. the problem with that is that its relatively slow. it only goes about, you know, two to four knots when its searching so you have to have a very, very specific area to look at for it to be useful. >> yeah. >> theres the problem, right? i also understand a tow pinger locator is in australia. it wont get to the search area for at least anoth...