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1978

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Navstar 1, the first GPS satellite launched 1978, took off on Feb 22, 1978. This friendly piece explains the Block I tests, atomic clocks, and how that small launch grew into the GPS system we rely on today. History

Navstar 1: The First GPS Satellite Launched 1978

Navstar 1, the first GPS satellite launched 1978, took off on Feb 22, 1978. This friendly piece explains the Block…

Alexandra Hochee

Alexandra Hochee

June 20, 2026 •
3 min read
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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