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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.

Navstar 1 : Le premier satellite GPS lancé en 1978

Navstar 1, le premier satellite GPS lancé en 1978, a décollé le 22 février 1978. Ce texte amical explique les…

Alexandra Hochee

juin 20, 2026 •

4 min de lecture

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.

Le Premier Satellite GPS Lancé (1978) : La Révolution Silencieuse de NAVSTAR

Un regard chaleureux et clair sur le premier satellite GPS lancé en 1978. Découvrez comment NAVSTAR Block I a utilisé…

Roshni Sawhny

mars 27, 2026 •

4 min de lecture