>> it's really a game changer. i really believe thought is. here ease what i think might have happened there, piers. the satcom boxes are way in the back of the aircraft, in the back and upper compartment right below the satcom antenna. they've been receiving these pings from that satcom antenna. a long way in the front is what the acars is and that's stopped gives us information. it's all gathered and sends information from the aircraft. what i suspect happened at this point, satcom is designed that when something changes, when there's an emergency signal of any kind it starts to try to connect. which is not what we got when it first made that turn. it went at 1:07. if some emergency had happened at that time you would have expected it to then connect. >> does it reaffirm or change your position which yesterday you believed something catastrophic had happened and there probably wasn't a nefarious reason behind this? >> absolutely it does for a number of reasons. but the biggest reason in my mind right now about this partial ping is that that satcom antenna not only receives information from acars but it