CNN Wolf March 24, 2014 17:44:00
It was built and operated without the gps fixes. so later generations could tell you more. but this one can simply tell you the plane was powered, it was traveling in a north or south direction from our own sort of trig no, ma'am metric and testing of the network data we've got. but i must stress, this is very limited data. we're not saying we have definitively, where the aircraft came down. only that the direction of travel is almost certainly to the south. >> any of the information that inmarsat collected, could you determine if the plane was cruising at 35,000 feet? did it go up to 45,000? ...
Source: archive.org