CNN CNN Newsroom April 6, 2014 18:10:00
Amount of time even if say, they were object strucks and that would explain why there was only a minute and a half detected by the chinese ship? >> you can get some masking of the pings, of the pulses by either geology or sometimes the wreckage in the tail where the locaters are located. yes, you need more sophistication there. what you have to do with those hand-held devices, they are really meant for a mile or less as far as detection. when you're getting down to the bottom a mile or more in-depth you really have to be right over it just about, to see it. the british ship will be able to be ...
Source: archive.org