Definition Edit

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

  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