NGS Control Points | Seiler Geospatial

Geoid – What is it? Why do we use it with Trimble TerraSync and GPS Pathfinder Office software?

Geoid - What is it? Why do we use it with Trimble TerraSync and GPS Pathfinder Office software? What is the Geoid? The geoid is a model of global mean sea level that is used to measure precise surface elevations (definition according to NOAA). While we often think of the earth as a sphere, [...]

NGS Control Points – Resources to finding them

NGS Control Points - Resources to finding them Recently I have found 2 resources for finding "NGS Control Points" to use to check your GPS devices against. Use these NGS Control points while using a Real-Time Correction source or after Differential Correction "Post Processing" back in the office. 1. BenchMap (Android Only). I am still [...]