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Of technical information but leave, out plenty of stuff? >> that's right, wolf. here's what you have to remember about this set of documents released today from inmarsat more than anything else. remember the number 14. because out of these 47 pages, the only numbers you really care about are 14 of them. and those are these, right here, right here. it's what people have wanted to see all along. they don't really tell us a whole lot. these are the readings of the frequency of this exchange between the ground station, the satellite and the missing plane and then back to the ground station. these ...

Handshakes. you then see in this when it loses its acars, its communications ability using the data link. and then finally, you see these satellite handshakes, where the plane and the satellite are saying hello to each other and where they are recording both the time that takes and the frequency differential, the so-called doppler. now, satellite experts and engineers -- obviously, i'm not one of those -- they will be able to make sense of this. but what they won't be able to do is recreate inmarsat's numbers. and the reason is because there are many other components, christine. you've got the...

Control room in london that you see the technology involved and you start to understand how they came to the conclusions. the satellite involved is immarsat 3f1. one of 11 satellites in the collection. it's in geo stationary orbit over the indian ocean and it's this satellite that mh370 sent the signals, the so-called hand shakes. leading the team here was mark dickinson. with his colleagues, they dive deep into the data. >> it's three times the information we have. there were messages from ground station to the plane and back again that shows you the terminal is switched on and powered up and...

But they can't release all the analysis for the simple reason that you've got to know information about the satellite modem on the aircraft. you need the know more information about the satellite itself. it goes up and down 1,000 kilometers in a range a day. the ground station, they brought all these engineers together. you see, what they haven't done in all of this is compile it into one book, if you like, one report. it's all in bits around bobs on different spreadsheets from different people that has come together for a conclusion. yes, i suppose they could write a book or a thesis on the s...

>> reporter: good morning to you. there are 47 pages of data. they are the satellite logs. they show the last communications between the 777, the satellite and the ground station. and crucially, what they have broken them down into several sections of flight. you've got the part before it took off. that's the area where you know where the plane is, you know the readings that you're expecting. you've then got the parts in the air and then the parts when the plane went missing. and there are so-called up to six satellite handshakes. that's where the plane and the satellite are saying hello to ea...