Radio spectrum win for global flight tracking
from Air Traffic Management.net , Nov. 11, 2015
An agreement has been reached at the World Radiocommunication Conference in Geneva on the allocation of radiofrequency spectrum for global flight tracking in civil aviation. The frequency band 1087.7-1092.3 MHz has been allocated to the aeronautical mobile-satellite service (Earth-to-space) for reception by space stations of Automatic Dependent Surveillance-Broadcast (ADS-B) emissions from aircraft transmitters.
The frequency band 1087.7-1092.3 MHz is currently being used to transmit ADS-B signals from aircraft to terrestrial stations within line-of-sight. The World Radiocommunication Conference (WRC-15) has now allocated this frequency band in the Earth-to-space direction to enable transmissions from aircraft to satellites. This extends ADS-B signals beyond line-of-sight to facilitate reporting the position of aircraft equipped with ADS-B anywhere in the world, including oceanic, polar and other remote areas.
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