who got the same data. made their own models up and did the same thing and get the same results, and speaking here for the team, getting roughly the same answers. >> reporter: the result of all of this work led to dozens of search planes and ships being sent to the southern indian ocean, where for weeks they followed the trail to nowhere. inmarsat's calculations have been called into question. the families demanding the raw data. >> well, i think the data itself, in stand alone, is not particularly -- you can't draw too much from it. what is more pertinent is to see the messages and see the important bit of information, and that's the job we've been trying to do, and some explanation behind how the numbers are used. >> reporter: to be clear, letting people make judgments on your work. you're not inviting them to re-do your work? >> no. i say, to re-do the work requires experts in many