A method and apparatus comprising a satellite, an antenna system associated with the satellite, and a transmitter in the satellite. The antenna system is configured to transmit a signal in a direction away from a surface of an earth. The transmitter is configured to transmit location information in the signal using the antenna system.
Space positioning system
Raumpositionierungssystem
Système de positionnement spatial
20.06.2018
Patent
Elektronische Ressource
Englisch
NTRS | 2016
|Space-time positioning synchronization device and system
Europäisches Patentamt | 2024
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