Expert Opinion
GPS Does Need a Backup, Terrestrial Is the Answer – But Which Terrestrial?
A key effort to protecting America, and GPS by making it a much less attractive target, is to establish a terrestrial backup system.
Expert Opinion
A key effort to protecting America, and GPS by making it a much less attractive target, is to establish a terrestrial backup system.
Expert Opinion
The FCC issued a public notice to seek comment on rearranging the spectrum in the Lower 900 MegaHertz band.
