GPS Block II
GPS Block II
Satellites
Basic Information
Name
GPS Block II
Designation
GPS Block II
Alternate Designation
GPS Block IIA
Equipment Type
Satellites
Manufacturer
Boeing
Date of Introduction
1989
Description
The Rockwell Collins GPS Block II and Block IIA satellites were an improved model of Block I spacecraft featuring increased storage capacity, anti-spoof capabilities, improved reliability, and reduced error probability. Block II (9 satellites) and Block IIA (19 satellites) were launched between 1989 and 1995.
Overview (Deagel)
Group
Satellites
Status
Retired - No Longer Operational
Also Known As
GPS Block IIA
Origin
United States of America
Contractor
Boeing
Initial Operational Capability (IOC)
1989
Total Production
28
Unitary Cost
USD $48 million
Specifications (Deagel)
Dimensions — Diameter
1.5 meter
Dimensions — Length
5.3 meter
Mass — Weight
844 kilogram
Performance — Orbit
20,200 kilometer
Performance — Positioning Accuracy
10 meter
Time — Service Life
6 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
Sources
deagel.com: https://www.deagel.com/x/x/a000238
Classification
Domain
Air & Air Defense
Equipment Status
Active
Dimensions
Length
5.3 m
Width
1.5 m
Height
—
Weight
844 kg
Operators (1)
United States
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