CNN Smerconish April 1, 2014 01:17:00
Its not rolled out everywhere, and it doesnt work in areas that cant see ground infrastructure, therefore. if you have service and tracking that you need to occur over an ocean or in deep canyons in places like alaska and so forth. you have to have an augmented system. the augmented system goes over global star, and the result is, you can continuously track one second at a time for continuously across any trip and know exactly where an airplane is, that is invaluable, and in the case of 370, it ...
Source: archive.org