CNN Early Start With John Berman and Christine Romans May 27, 2014 09:02:00
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, im not one of those -- they will be able to make sense of this. but what they wont be able to do is recreate inmars...
Satellite Handshakes Communications Ability Data Link Satellite Experts Frequency Differential Ground Station
Source: archive.org