Security at major sports events has always been a complex operation - but now, event organizers around the world are adding airspace security to their list of requirements, in order to prevent unwanted drones from taking unauthorized images or disrupting play. At this year's 110th playing of the RBC Canadian Open golf championship, local police used radio frequency sensors to … [Read more...] about Watching a Counter Drone Operation at Work: Dedrone at the RBC Canadian Open (Video)