No audio available for this content. Image: GPS.gov Clocks are at the heart of GPS. Advances in space-qualified atomic clocks that kept time to within 10 nanoseconds over a day were a key development ...
GPS trackers and AirTags look like they do the same thing. They don’t. One is a live-positioning tool; the other is a Bluetooth breadcrumb. A GPS tracker talks directly to satellites orbiting 12,000 ...
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