Introduction
A Brief History of Navigation
Methods of Radionavigation
Radionavigation Systems
GPS in 2005: An Overview
Objectives, Policies, and Status
System Architecture
Signals
Receivers, Measurements, and Performance
Differential GPS (DGPS)
Civil Applications
Future Global Navigation Satellite Systems
Spreading Codes and Ranging Signals: An Overview
GPS Modernization
GLONASS and Galileo
Interoperability of GPS, GLONASS, and Galileo
GPS+GLONASS+Galileo Performance
GPS Coordinate Frames, Time Reference, and Orbits
Global Coordinate Systems
Time References and GPS Time
Satellite Orbits and Satellite Position Determination
GPS Satellite Constellation and Visibility Displays
GPS Measurements and Error Sources
Measurement Models
Control Segment Errors: Satellite Clock and Ephemeris
Signal Propagation Modeling Errors
Measurement Error: Empirical Data
Combining Code and Carrier Measurements
Error Mitigation: Differential GPS (DGPS)