It took awhile, and the price tag is quite a bit steeper than previously thought (shocking, right?), but the FAA is finally getting the funding it needs to bring the nation's air traffic control system up to date. Congress just passed the bill to make it happen, allotting $11 billion to the FAA to upgrade the nation's 35 busiest airports air traffic controls from radar to GPS. The deadline for the conversion is June 2015, and when complete, it'll allow for more precise positioning of aircraft -- GPS pings for the planes' locations every second, while radar updates their locations every 6 to 12 s
