CNN Legal View With Ashleigh Banfield March 24, 2014 16:23:00
You have transponders and this other equipment. this is an unusual case. so i think what they have done is gone back to inmarsat and said look, were in a sticky situation here. is there any way at all we can try and locate something to do with that ping. and so i think its -- i dont want to oversimplify it. but if you look at the speed equals distance over time, distance equals speed time, time. they might have gone back and said right, lets look at the time the interrogation signal was sent out...
Source: archive.org