Definition[edit | edit source]

A 406 MHz emergency beacon is a beacon

associated with the Cospas-Sarsat Program. They only operate in the 406.0 MHz to 406.1 MHz frequency band to transmit their digital messages to satellites.[1]

References[edit | edit source]

  1. This frequency is restricted in the International Telecommunication Union (ITU) Radio Regulations to low power satellite emergency position-indicating beacons in the mobile satellite service.

Source[edit | edit source]

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