What is DGPS Survey?

 


DGPS (Differential Global Positioning System) is an advanced surveying technique that delivers centimeter-level accuracy — far more precise than a regular GPS, which can be off by several meters.

It works using two units: a base station at a fixed, known location, and a rover that moves across the survey site. The base station compares its known position with satellite data and sends real-time corrections to the rover, eliminating most positioning errors.

Common Uses of DGPS Survey

  • Land boundary and plot demarcation
  • Topographic and elevation mapping
  • Airport NOC and height clearance surveys
  • Road, pipeline, and infrastructure projects
  • Construction layout and foundation marking

Why It Matters

When even a small error can lead to a rejected application or a legal dispute later, precision isn't optional. DGPS gives the kind of survey-grade accuracy that regulatory bodies and engineers actually rely on.

Need a DGPS survey for your project? Check out Surveying India's services.

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