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GPS Problem Report Status
GPS Interruption Notices
Technical References
Space Weather
GPS References
GPS FAQs
GPS Acronyms Abbreviations
GPS Expandable Slot Designations
GPS Operational Advisory Tutorial
GPS Precise Ephemeris Info
GPS Selective Availability
L Band Antenna Panel Patterns
NANU Abbreviations and Descriptions
NavCen GPS Advisory
Sea to Air to Space
More Info on GPS.Gov
LRIT Overview
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Charts and Supplies
Waterways
Contact Us/Report a Problem
GPS Expandable Slot Designations
B
D
F
B5=B1F
D5=D2F
F5=F2F
B1=B1A
D2=D2A
F2=F2A
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