Page 22 - Tpl News Today

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. heres why its 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...

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. heres why its 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 soun...

>> 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 fr...

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 theres 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? thats an interesting question. >> david gallo, i want to bring you in here. as theyre moving thes...

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 its in real time sent up the cable ...

Technology that now has an active role in trying to solve this mystery, the mystery of flight 370. >> reporter: this high tech listening device can glide along near the bottom of the sea at about 1,000 feet from the ocean floor. its a u.s. navy hydrophone or underwater microphone called a towed pinger locater. search teams are counting on it to find the pinger mounted directly on the black boxes from flight 370. but time is running out for the pingers battery life. >> what theyre trying to do is...

That sophisticated technology, the tpl, the submarine in place and then the ship thats using s.o.n.a.r. equipment as well, all that technology is just fine, but it needs a more narrow search area than what we have right now. the search area needs to be about 100 times smaller for this technology to effectively locate possible debris. and those are answers we simply dont have right now. >> will ripley, off the coast of perth in australia. ahead at this hour, our viewers have been tweeting, you ...

Information that came in through last night i do not have any significant developments. >> the hms echo we understand is now conducting a specific search, were told. what exactly does that mean, a specific search? and why now? do they have any information thats letting them close in on a certain area? >> well, right now we are making the best judgment call we can based on the life running out of the black box. so the echo is out there. we also moved the ocean shield with cooperation with the aus...

I know how it sounded. it didnt sound particularly -- didnt inspire confidence. but i know just what he means. that lacking any shred of evidence on the surface or the pings, youre hoping against hope youre going to put a vehicle in the water and hear something or find something on the surface. you cant take anything away from the dedication of those teams. theyve got to be exhausted by now and yet they keep going because they understand the importance of finding that aircraft. >> im sure theyre...

Satellite images, all of those turned out to be "other things." our matthew chance is live in perth, australia, for us this morning. matthew, i know that they have a submarine, and then they also have two ships that are equipped with this high-tech gear out on the search now. what is the latest? >> reporter: yeah, thats right. the latest is that this subsurface phase of the search operation has really gotten under way with the presence of that british nuclear submarine the "hms tireless." its eq...