The object
Håkan Lans invented the STDMA navigation system, a radio transponder technology that combines position data and time-slot communication so vessels and aircraft can identify one another. The physical system became a core part of the Automatic Identification System used in maritime navigation and aviation.
01
What Håkan did
invented the STDMA radio-and-GPS navigation transponder system used for maritime and aviation identification
02
Why it matters
STDMA became a standard safety and identification technology for ship and aircraft traffic, giving operators a shared real-time picture of nearby vehicles.
03
Living-status check
A dated July 2025 SVT interview records Lans discussing current GPS-interference risks, AIS security, and the work toward a new international standard.