Designed to create a virtual model for high precision short base line work across wide areas

Trimble's VRS™ (Virtual Reference Station) system uses the RTK solutions from the Trimble® RTKNet software and provides high-accuracy, real-time kinematic (RTK) GPS positioning for wider areas. The fixed VRS network is available at any time without setting up a base station and provides common control wherever you are in the network.

The VRS system is made up of the latest in GPS hardware, modeling and networking software, plus communications interfacing. Once set up, RTK roving receivers in the field have access to real-time network modeled corrections. In the field, you also have the reassurance of the built-in integrity monitoring system that warns if there are any problems with the data.

The system components are as follows:

• Trimble NetRS™ or 5700 CORS GPS receivers
• Zephyr Geodetic™ Antennas
• Trimble GPSNet Software
• Trimble RTKNet Software