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Library - Directive History
N PD 8900 4C Need help?
Subject: NASA Use of Global Positioning System Precise Positioning Service (Revalidated 2/23/04)
Responsible Office Code: CA
Effective Date: April 27, 1999
Expiration Date: October 27, 2009
Cancellation Date: April 27, 1999 
Document Cancelling this Directive (if Cancelled): N PD 8900 4D
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Documents Cancelled by this Directive:
N MI 8900 4B   -   Show History
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