David Quick Start Video - Static Surveying

The Tersus David is a cost-efficient, palm-sized GNSS receiver designed for surveying UAVs, AGVs, and agricultural applications. Working with an external GNSS antenna, the free Tersus Survey App and post-processing software, the David GNSS receiver is a low-cost solution for all survey applications, including real-time RTK positioning and data collection for PPK.

[@allenchris10]

Weve done fast static to established 12 control stations ar the project site. Every control station observed twice to close for the 3rd registered control stations. However when we start to process the data gathered, our standard deviation falls to more than 30mm is it normal?