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Tennessee - TDOT GNSS Reference Network

Today, a variety of industries including precision agriculture, construction, mapping and GIS, cadastral, utilities, and transportation require centimeter positioning in real-time. TDOT's GNSS Reference Network provides positioning professionals with instant access to real-time Kinematic (RTK) corrections utilizing a network of permanent (fixed) continuously operating high precision GNSS reference stations (CORS).These reference stations are all linked together to create a Virtual Reference Station System (VRS).A realtime receiver or rover is linked to the network using wireless internet technology.

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Key Benefits:

  • Productivity - There is no need for a base station. If you own a Trimble RTK system, your base station may be able to be redeployed as a second rover, doubling your productivity
  • Affordability - With only one GNSS receiver required, the cost of equipment and personnel is reduced significantly
  • Accuracy - Instant centimeters/real-time kinematic (RTK) corrections on demand within the system area
  • Utilizes Trimble-operated VRS technology
  • Build-in redundance to ensure connectivity, consistency, and quality
  • Professionally managed and secure
  • Streamline your workflows by getting the job done the first time