How GPS Knows Exactly Where You Are (Most People Never Think About This)

Have you ever stopped to think how your phone knows exactly where you are — down to a few meters — anywhere on Earth? The answer involves 30 satellites, atomic clocks, and some seriously clever physics.

In this video, Notebook Learns breaks down exactly how GPS works — from satellites orbiting 20,000km above Earth to the little blue dot on your phone screen.

📌 What you'll learn:
• How 30+ GPS satellites orbit the Earth at all times
• Why your phone needs signals from at least 4 satellites to find you
• How atomic clocks accurate to 1 nanosecond make GPS possible
• Why GPS can be jammed — and what the military does about it

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Видео How GPS Knows Exactly Where You Are (Most People Never Think About This) канала Notebook Learns