GPS Survey Equipment GPS Trimble R6 or R8 Legs+Bipod Controller* Base Station or VRS Competencies # ppt download
KeyNetGPS, A Trimble VRS Network
An Australian Pilot Project for a Real Time Kinematic GPS Network Using the Virtual Reference Station Concept
NTRIP/CORS: How it works and what is involved
Trimble R8 Model 2 GPS/GNSS VRS Network Rover w/ TSC2 Data Collector | Precision Geosystems, Inc.
PDF) A Comparison of the Accuracy of VRS and Static GPS Measurement Results for Production of Topographic Map and Spatial Data: A Case Study on CORS-TR
Are Satellite-Based Correction Services the “Next Utility”? - The American Surveyor
High Accuracy GPS Mapping and VRS - ppt download
Trimble launches VRS Now correction service in France
Trimble VRS Now covers 1M square miles with acquisition of MidStates VRS - GPS World