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Use and Protection of GPS Sidelobe Signals for Enhanced Navigation Performance in High Earth OrbitGPS (Global Positioning System) Space Service Volume (SSV) signal environment is from 3,000-36,000 kilometers altitude. Current SSV specifications only capture performance provided by signals transmitted within 23.5(L1) or 26(L2-L5) off-nadir angle. Recent on-orbit data lessons learned show significant PNT (Positioning, Navigation and Timing) performance improvements when the full aggregate signal is used. Numerous military civil operational missions in High Geosynchronous Earth Orbit (HEOGEO) utilize the full signal to enhance vehicle PNT performance
Document ID
20160001694
Acquisition Source
Goddard Space Flight Center
Document Type
Presentation
Authors
Parker, Joel J. K. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Valdez, Jennifer E. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Bauer, Frank H. (SGT, Inc. Greenbelt, MD, United States)
Moreau, Michael C. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
February 9, 2016
Publication Date
February 8, 2016
Subject Category
Space Communications, Spacecraft Communications, Command And Tracking
Astronautics (General)
Communications And Radar
Report/Patent Number
GSFC-E-DAA-TN29463
Report Number: GSFC-E-DAA-TN29463
Meeting Information
Meeting: Annual AAS Guidance and Control Conference
Location: Breckenridge, CO
Country: United States
Start Date: February 5, 2016
End Date: February 10, 2016
Sponsors: American Astronautical Society
Funding Number(s)
CONTRACT_GRANT: NNG15HZ37C
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
Navigation Satellites
Global Positioning System
Naviation

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