Page 43 - Tpl News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Fish, they all make sounds. >> reporter: the device can pick up the pinger sounds in depthing ranging from 50,000 feet from two miles away. here's why it's so critical to get that towed pinger locater down in the deep ocean. the block box can get stuck is in something called a deep sound channel. if the sound does get trapped there and bounces around, the only way to pick it up may be through one of these pinger locater devices. >> sending the towed pinger down there, the tpl, will put you in that channel so they can hear that echoer or ricochetting sound. when it picks up the sound it's in re...

It gets it down into that level. it also gets it away from a lot of the surface not. wind on the water creates noise, propellers, dolphins, animals, fish, they all make sounds. >> reporter: the device can pick up the pinger sounds in depths ranging from 50,000 feet from two miles away. here's why it's so critical to get that towed pinger locater down in the deep ocean. the block box can get stuck in something called a deep sound channel. about the 2,000 to 4,000 feet below the surface. if the sound does get trapped there and bounces around, the only way to pick it up may be through one of thes...

>> chinese state news agency xinhua is reporting that a chinese patrol ship searching an area of the south indian ocean has detected a pulse signal with a frequency of 37.5 kilohertz per second. so we are, of course, trying to determine, working to determine, as they are, if that pulse is from the pinger of the black box. and we happen to have one here courtesy of g.a. telesis, a company in south florida. guys, if you can take it to it. i want to show where the pinger is. the pinger is in the front of the black box. it's the cylinder. the white cylinder up front here. that is what is emitting ...

Investigation. and amongst that group are the ntsb, faa, the waip, rolls royce, boeing, the malaysians. all the experts. inmarsat. miles would like them to release the documents upon which they are refining the search. maybe there's a call for that to give more information. because what they appear to be doing is moving this box around and not really explaining why. do they have to explain why to us? that's an interesting question. >> david gallo, i want to bring you in here. as they're moving these assets around and changing the search area, now they have the towed pinger locater out there. h...

Get that towed pinger locater down in the deep ocean. the block box can get stuck in something called a deep sound channel. about the 2,000 to 4,000 feet below the surface. if the sound does get trapped there and bounces around, the only way to pick it up may be through one of these pinger locater devices. >> sending the towed pinger down there, the tpl, will put you in that channel so they can hear that echoing or ricocheting sound. when it picks up the sound it's in real time sent up the cable of the boats. in real time the scientists and technicians on board the boat will be listening. >> r...