127 square miles. other pings in other places. that's the rub. they weren't clustered. 15 miles apart north to south. we don't have one ping, we have a number of them and we have to make this circle bigger and bigger. >> let's talk about the challenges of what the next phase could be if that last 5% doesn't bear fruit. we've got the four pings and why the four pings? everyone wants to know. it could be refraction of sound on the water. >> it has to be. >> has to be. you don't have four black boxes to be picking up. so if we go from a six-mile radius, we're now talking about a much larger area that they could possibly search. how long could that take? >> talking about the size of los angeles. we're talking about the square footage of los angeles proper. 484 square miles. this thing does about eight to ten square miles a day. do the math. that's 50 days just on the expanded search. >> correct me if i'm wrong. this search that we've done in the six-mile radius, 120 square miles, right?