Record-Breaking NASA Mission Advances High-Altitude GPS | NASA
Satellite Navigation - GPS - How It Works | Federal Aviation Administration
Feb. 14, 1989: GPS Enters Orbit | WIRED
GPS Constellation | Time and Navigation
Orbit altitudes for satellite constellations and proposals | Download Scientific Diagram
Record-Breaking NASA Mission Advances High-Altitude GPS | NASA
Altitude and inclination of GPS, GLONASS and Galileo navigation... | Download Scientific Diagram
NASA Breaks Guinness World Record for Highest GPS Altitude Fix - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design
Characterization of on-orbit GPS transmit antenna patterns for space users | NAVIGATION: Journal of the Institute of Navigation
How Does GPS Work? | Time and Navigation
orbit - Why do gps satellites rotate over the Earth - Space Exploration Stack Exchange
GPS.gov: Space Segment
GNSS intro
GPS IIR/IIR-M satellite antenna patterns released for worldwide use - GPS World
Satellite orbit heights, and how they impact satellite communication
Onboard and Real-Time Artificial Satellite Orbit Determination Using GPS
Nyan Sat - Satellite Communications Challenge - Chapter 2
Global Positioning System - Wikipedia
Quasi-Zenith Satellite Orbit (QZO)｜Technical Information｜QZSS (Quasi-Zenith Satellite System) - Cabinet Office (Japan)
GPS / GNSS
JAXA and NEC demonstrate Japan's First GPS Navigation Technology at Geostationary Orbit: Press Releases | NEC
