NASA GNSS Activities: WG-B - Enhancement of GNSS Performance, New Services & Capabilities
Recent Advances in Ionospheric Specific Specifications and New Applications Using GNSS Measurements
Addressing the Influence of Space Weather on Airline Navigation
GPS Operations in High Earth Orbit Recent - Experiences and Future Opportunities
GPS Operations in High Earth Orbit: Recent Experiences and Future Opportunities
Combined Global Navigation Satellite Systems in the Space Service Volume
Individual Global Navigation Satellite Systems in the Space Service Volume
NASA's global differential GPS system and the TDRSS augmentation service for satellites
TriG: Next Generation Scalable Spaceborne GNSS Receiver
Use and Protection of GPS Sidelobe Signals for Enhanced Navigation Performance in High Earth Orbit
A New Centimeter-Level Real-Time Global Navigation and Positioning Capability with GPS
A Deployable 4 Meter 180 to 680 GHz Antenna for the Scanning Microwave Limb Sounder
The Spaceborne Imaging Radar-C, X-Band Synthetic Aperture radar (SIR-C/X-SAR) Mission Overview