Tag: DGPS Survey

RTK-GNSS vs Traditional GPS: Why Survey Accuracy Matters for NOC

RTK-GNSS survey accuracy is centimetre-level, while a handheld or phone GPS is typically good to about 5 m. For an AAI NOC, that gap decides whether your data is acceptable, because AAI asks for 0.5 m elevation and 3 m position. Learn how it works in our site elevation survey for airport NOC guide. Quick […]

Drone Aerial Survey vs Traditional Survey: Key Differences

A traditional survey measures selected points on the ground with a total station, GNSS receiver or level, and records them as plans and contours. A drone aerial survey flies a UAV over the site, captures overlapping images or laser data, and processes them into maps, elevation models and 3D data that cover the entire surface. […]

What Is DGPS Survey? Full Form, Process, Equipment & Cost in India

A Professional Surveyor’s Complete Guide to DGPS in India If you own land, manage infrastructure, or work in construction in India, you have probably heard the term DGPS from a surveyor. But what does it actually mean — and why does it matter for your project? At Surveying India, we use DGPS technology on projects […]