Advancing Alternatives To GPS

U.S. Coast Guard personnel
U.S. Coast Guard personnel gathered to watch the termination of service at the Loran-C station in Middletown, California, on Feb. 8, 2010.
Credit: U.S. Coast Guard
Even as the FAA orients the U.S. national airspace system toward a fuller reliance on satellite-based navigation, alternative ground-based systems are being advanced as necessary complementary or backup capabilities to GPS in en route and terminal airspace. U.S. Transportation Department prepares...
Bill Carey

Bill covers business aviation and advanced air mobility for Aviation Week Network. A former newspaper reporter, he has also covered the airline industry, military aviation, commercial space and uncrewed aircraft systems. He is the author of 'Enter The Drones, The FAA and UAVs in America,' published in 2016.

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