Page 4 - Second Ping News Today

If the former managing director of the the national transportation safety board. thank you for being with us. so this is what we know about what the chinese say theyve heard. twice, two times, electronic pulse signals, the second time they heard it, it was two kilometers from the original, and it lasted every second they heard something every second for 90 seconds. what do you make of that? >> i think its very compelling. and particularly that they picked it up a second time. its not uncommon th...

Flight data and voice recorder.r orter: and we dont have a lot of time, wolf. and thats exactly what we wanted to show here today. the difference between hydrophones and also taking a look at s.o.n.a.r. theyre different and do different things. i want to introduce you to james coleman, senior hydrographer. i keep saying that wrong. hes going to show you how this works. break it down for us and show how this hydrophone works. >> that under water locater beacon is sending out sound, these pings. a...