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TAG: GNSS backup

Monty Johnson of OPNT demonstrates precise time transfer through 100 kilometers of spooled fiber-optic cable. (Photo: RNT Foundation)

DOT report: L-band, UHF, LF and fiber PNT needed to protect US

January 19, 2021

Photo: AlexeyPetrov/iStock/Getty Images Plus/Getty Images

LDACS-NAV could guide global aviation

January 4, 2021

The F-110 frigate being developed for the Spanish Navy. (Artist's concept: Spanish Ministry of Defense)

GMV’s navigation system chosen for Spain’s new F-110 frigates

June 18, 2020

Image: GPS World

Is it time for backup?

March 27, 2017

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