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TAG: DOT report

Photo: Andrea Izzotti/

Senate proposes $15M to develop GPS alternatives

October 20, 2021

Image: imaginima/iStock / Getty Images Plus

NextNav, Satelles collaborate on Bay Area alternative PNT testbed

October 5, 2021

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