days since the plane disappeared from each egg has been speaking to marine science expert doctor alan duncan about the logistics of fighting being sent to reporters and verifying the right signals his thirty seven point five kilo slated to be anything other than the blackhawks well lauren model citizen in its own cliques and the frequency range on the front with the son of clicks from the marine mammals have a water pen with them of the justice and the simple time came god and thereby would also not be updated as regularly as they seek guidance from a block or so and i would be the mine fact is that he hadn't run that distinguish one from ailments if it got a recording of the output signal i could have put it back the good shots but the other to distinguish what normal. it's genuine. thus from the characteristics of the cyclone they said it looked to the taping so far if they get a third to deploy it was a vehicle to turn the cake that my folks how hard is the going to be walks too difficult in the autonomous underwater vehicle which all believed to have on board the ship. no question what's

so for more on this we spoke earlier of course went on each end but really i'm too tall to alan duncan. he's a senior research fellow in the centerfold maritime science and technology. he said that the pope signal of the black boxes can only be detected within a few miles well the biggest problem is getting the search area down to something that is reasonable to assert on one of him. most amount of laundry the love of mine limiting factor in the sky says the frequencies of the which there are thirty seven point one kilograms which is a relatively quiet comes to christmas tunes to the africans who trusted you with the audience and it annoyed the heart of the frequency of december more rapidly isn't sold in one episode of thirty seven point four two that she would only have the detection run a few kilometers. as a maximum of eight. it's the frequency was lower than you would be held to detect the pain of a longer line that stuck with this. of course the pope is taking only thirty nine the best free life of the flight dice the reporter told the black box of a would be missing a lot about