pings was further away from the satellite than before. that tells us a lot. if you look at that graphic what you'll see we were able to exclude a huge swath of ocean including the center of the indian ocean. we know as the pilot whoever was flying this plane after they passed west over the peninsula they did a zigzag pattern. it looks like perhaps the pilot was trying to stay out away from the land, away from the military radar that was pinging them, detecting its location to get out of sight over the ocean. the most appealing part of the southern route was that it was allowing the pilot to travel out of radar coverage and go all the way to the south without any radar coverage. >> here's my question. how do we know we're looking in the right area. >> this is hard. >> in terms of the place they are looking right now. what emphasis success put. the reason everybody got on