Barcelona-El Prat Airport has a new Multilateration Surveillance System from this week on, with technology similar to the Global Positioning System, which improves the efficiency of traditional radars by increasing the information provided to air traffic controllers at the airport tower.

The new system also means an improvement in the platform capacity of the of the Barcelona airport, as in addition to controlling the aircraft operating on the airport itself, it is also capable of triangulating signals from other vehicles on the platform.
It also offers improved efficiency in adverse weather conditions and limited visibility.

To implement the Multilateration system, 32 receivers have been placed by the aerodrome manoeuvring area and six in three exterior locations. Six transmitting stations have also been set up along with half a dozen reference transponders, responsible for communicating, through two fibre optic rings, with the central station.

Source: El Vigia


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