do not have any confirmation on that. >> we've got a map to show you. about 25 degrees south latitude and 101 degrees east longitude. this is all according to chinese state media. >> we haven't independently confirmed this, again, just want to reiterate that. neither has the joint agency coordination center in charge of this search in perth. the pulse signal has a frequency of 37.5 kilohertz per second which is said to be the standard beacon frequency for the flight data recorders and why it's getting attention right now. >> here's one more reason why this is incredible. the batteries for those pingers may have only hours of power left before they run out. >> so with time running out, this may be the best hope of finding flight 370. i want to bring in our panel here. thank all of you for being with us as we have got this covered from experts with the ocean to the air to the investigation. and thank you all so much for being with us.