Page 4 - Sonar Ping News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Or uncover something unexpected far closer to home. sometimes you might need to look back to see how you got here. and where you might be heading. and just when you think your journey has reached an end you will be surprised to find it is only just beginning. but you will keep going because it is your journey. wherever it goes. good evening, everyone, 8:00 p.m. here on the east coast of the united states, 8:00 a.m. off australia's west coast, breaking news in the missing flight 370, a string of developments that raised questions and some hope. we're waiting for word from officials about a po...

Field. one has already picked up four pings from the towed pinger locator. they drop a line down from a thousand feet and listen basically. it seems one of them got a hit, a ping from the frequency hit from the data recorder. that has given even more optimism to those searches. preliminary data, though -- >> let's talk about that preliminary data. i understand the testing was done overnight to try to analyze if the signal came from flight 370. do we know when we'll get an update on that, or when the process is? >> well, yeah, hopefully today. you're right. the plane gets the signal back from t...

The trouble is, you may only hear it if you're literally on top of it. it's not something that resinates across the entire ocean and it depends on the thermal layers, how cold it is in the ocean, what temperature layers you have in the ocean, that can all inhibit the area of sonar, the hydrophones being dragged by ships, to pick up the sonar ping. in this area, the depth is another huge factor. we're talking about two to three miles deep. interestingly, though, while there's a mountain range in this area underneath the water, the conditions in the atlantic ocean where air france 447 went down,...