Block I

E1821445 UNEXPLORED

Block I was the experimental first generation of GPS satellites that validated and refined the technology before full operational deployment.

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All labels observed (1)

Label Occurrences
Block I canonical 2

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Global Positioning System satellites → initialBlock → Block I ⓘ
Global Positioning System satellites → satelliteGeneration → Block I ⓘ