ping, whatever vernacular you want to use that puts it in that area. there's no handshake or ping that puts you where you are right now? >> no. that handshake or ping happened somewhere in that circle. one satellite picked it up. the reason we discarded areas to make those arcs, the satellite to the left and right did not receive the ping. you can overlay those on top of each other, we know it wasn't here or here. if it was here this satellite would have picked it up and here it would have picked up. the middle satellite is the one we're keying on. luckily we can eliminate arcs on this side. i want to talk about the arcs for a second. i've gotten a lot of tweets about this. the arcs are not where they were expected to fly. the arcs are the outer corridor as far as you would have expected. if that airplane was past the arc on the lower section, satellite here that also did not pick up a ping. these 14 or 16 satellites that