Frequency Measurements News Today : Breaking News, Live Updates & Top Stories | Vimarsana

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...

Handshakes. leading the team here was mark dickinson with his colleagues they dived deep into the data. >> there are three types of information that we. messages from the ground station to the plane and back again that tells you the terminal is switched on and powered up and we have some time information and in addition to that there was some frequency measurements. >> reporter: timings told them the distance between the plane and the satellite enabling them to create the so-called arcs. they then factored in the frequency differentces. dickinson's team concluded that mh370 had to have flown s...