Reading the whispers of MH370

A communication ‘heartbeat’ has helped narrow the search area for missing Malaysia Airlines flight MH370. The flight disappeared in March 2014 with 239 people on board.

“Essentially we’ve had to develop, and measure the accuracy of, a way to use the extra data collected during the satellite communication,” says Dr Neil Gordon, Head of Data and Information Fusion at the Defence Science and Technology Group in Australia.

“The main communication data is a ‘heartbeat’ signal every hour, asking the aircraft ‘are you there?’ When it says ‘yes,’ a little bit of information attached to that message is captured, giving hints on the speed and direction the plane is travelling, and the distance between the satellite and the aircraft,” Neil says.

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