DOT Daytona Beach air traffic overhaul aims to improve safety with new technology . GPS is switching from radar tracking to more accurate GPS tracking . Steps being taken to protect NextGen -based tracking from `` spoofing '' hackers . During a cross-country air race over Kentucky , another plane was bearing down from behind and above Falk 's aircraft -- a blind spot where eyesight alone would have left her unaware . GPS warns about security gaps unless authorities coordinate on tracking coverage .
DOT Daytona Beach air traffic overhaul aims to improve safety with new technology . GPS is switching from radar tracking to more accurate GPS tracking . Steps being taken to protect NextGen -based tracking from `` spoofing '' hackers . GPS warns about security gaps unless authorities coordinate on tracking coverage .