Alternative. Backup. Complementary. These words describe the global efforts to find technologies capable of fulfilling critical infrastructure requirements for positioning, navigation and timing (PNT) in the absence, degradation or disruption of GNSS services. This search has been ongoing and continues to evolve. Here, we provide a historical look back at some of the efforts in the U.S. and Europe, a snapshot of the current PNT environment and how it has influenced more recent developments in the search for resilient PNT solutions, and a glimpse into what may lie ahead in that quest. Read my latest in Inside GNSS to learn more:
Topics: PNT, GNSS, Complimentary PNT, Backup PNT, Alternative PNT, Europe, US
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