If your applications only require 4in-12in, these systems are built for that level of accuracy.

Construction – Preliminary site surveys – As-built surveys for collecting asset information – Environmental impact reports.Local & city government – Urban asset databases – Road centerlines.‘as-built’ surveys – Relocating assets/features.Utilities – Collecting assets/features accurately:.GPS Information: – Seiler Mapping Support – Seiler Mapping Support Blog – Trimble Knowledge Network “TKN” – National Geodetic Survey (NGS): – Wisconsin DOT WISCORS GNSS Reference Network.CHICAGO - INDIANAPOLIS - KANSAS CITY - MILWAUKEE - ST. High-Accuracy GPS for GIS: From 1ft to 4in.