Globalstar, Echo Ridge offer to demo GPS backup technology – Satellite News Digest

Globalstar, Inc. and Echo Ridge, LLC have informed the U.S. Department of Transportation (DOT) that the companies have developed and are prepared to participate in and support a live field demonstration of a stand-alone positioning, navigation, and timing (PNT) capability that can provide accurate and reliable PNT services to backup and/or complement GPS in case of GPS unavailability or unreliability.

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