>>http://www.bbc.co.uk/news/technology-21373771
>
>Basically a passive-radar system, same idea as passive sonar on submarines using ambient noise. But, potentially using it for ATC is interesting.


In a disaster, TV stations likely will be off the air before aircraft are out of it. But at least people on the airliners will be able to be twits on the way down.

Who needs safety when we can tweet?

Kinda like the deal Public Safety got about 10 years ago in this country where they were given a "deal" where cellular carriers would get a lot of public safety spectrum and the carriers were supposed to cover the costs to move public safety to new spectrum.

Odd how the police seem to be stuck using cell phones for a lot of their work now. That will cost lives in a disaster. But hey - people have cooler cell phones now.