Radio transmitter in a fixed location, used in marine and aerial navigation. Ships and aircraft pinpoint their positions by reference to continuous signals given out by two or more beacons. They have largely been superseded by more advanced technologies such as Loran and GPS.
The arms depict the Carpathian Mountains which traverse the Slovak Republic. The flag uses the pan-Slav colours representing liberation from foreign domination. Effective date: 3 September 1992.