Internet-Based Real Time GPS Network
Related Links
Trimble Virtual Reference Station (VRS™) System
Network RTK Versus Single Base RTK - Understanding the Error Characteristics
eRTK: A New Generation of Solutions for Centimeter-Accurate Wide-Area Real-Time Positioning
Introduction to Network RTK
Control Networks Using RTK
Geometric Geodetic Accuracy Standards and Specifications for Using GPS Relative Positioning Techniques
Very Rich Surveyors Page 1 (PDF)