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GPS Block I

GPS Block I

Satellites
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Basic Information
Name
GPS Block I
Designation
GPS Block I
Alternate Designation
Equipment Type
Satellites
Manufacturer
Boeing
Date of Introduction
1978
Description

The Rockwell International GPS Block I space vehicles were launched from 1978 to 1988 totaling 12 satellites. These satellites were intended for testing and to validate the Global Positioning System feasibility.

Overview (Deagel)
Group Satellites
Status Retired - No Longer Operational
Origin United States of America
Contractor Boeing
Initial Operational Capability (IOC) 1978
Total Production 11
Specifications (Deagel)
Performance — Orbit 20,200 kilometer
Performance — Positioning Accuracy 10 meter
Time — Service Life 5 year
Variants
Variant 1 GPS Block I
Variant 2 GPS Block II
Variant 3 GPS Block IIR
Variant 4 GPS Block IIF
Variant 5 GPS Block III
Variant 6 GPS Block IIIF
Details
Country of Origin United States
Classification
Domain
Air & Air Defense
Equipment Status
Active
Operators (1)
United States
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