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NAVSTAR

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A warm, clear look at the first GPS satellite launched 1978. Learn how NAVSTAR Block I used atomic clocks and careful math to begin a quiet revolution that still guides phones, rescue teams, and daily life. History

The First GPS Satellite Launched (1978): NAVSTAR’s Quiet Revolution

A warm, clear look at the first GPS satellite launched 1978. Learn how NAVSTAR Block I used atomic clocks and…

Roshni Sawhny

Roshni Sawhny

March 27, 2026 •
3 min read

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