 ASDE-X combines surface movement radar, multilateration and Automatic Dependent Surveillance – Broadcast (ADS-B) surveillance to provide air traffic controllers with highly accurate, real-time position and identification information of aircraft and vehicles on the airport surface.Saab's solutions support traditional and virtual management environments.Saab's Remote Tower is used by Sweden's LFV, who became the world’s first air navigation service provider to manage an airport remotely when it started remote tower services at Örnsköldsvik Airport in 2015.