Report on positioning, navigation, and timing (PNT) backup and complementary capabilities to the Global Positioning System (GPS).

Bibliographic Details
Format: Government Document eBook
Language:English
Published: [Washington, D.C.] : Homeland Security, 2020.
Subjects:
Online Access:https://purl.fdlp.gov/GPO/gpo149442
Description
Item Description:"April 8, 2020."
"National Defense Authorization Act Fiscal Year 2017 Report to Congress: PNT requirements, and analysis of alternatives."
Physical Description:1 online resource (vii, 18 pages) : color illustrations
Bibliography:Includes bibliographical references (page 15).