A United Nations (UN) agency has designated the 1087.7-1092.3 MHz frequency band for worldwide Earth-to-space aircraft tracking, following the disappearance of Malaysia Airlines flight MH370. 1087.7-1092.3 MHz is currently used to send Automatic Dependent Surveillance-Broadcast (ADS-B) transmissions from aircraft to terrestrial stations. However, the messages will now be sent via satellite instead, without the need for aircraft retrofits. This has been made possible through the deployment ...

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