PPK Survey Extension Update 2021.1

Apr 20, 2021 – Autodesk releases the PPK Survey Extension 2021.1 Update for Autodesk Civil 3D 2021

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The PPK Survey Extension 2021.1 Update are available via the Autodesk Desktop App or via download from the Autodesk subscription site.

There are separate PPK Survey Extension versions available for each of the supported releases of Civil 3D.

This build version is for PPK Survey 2021.1 and updates previously release PPK Survey builds.

The PPK Survey Extension is a Toolbox utility.

PPK Survey Extension 2021.1 Update

The Autodesk PPK Survey Extension for Civil 3D provides an interface for importing GPS data (in RINEX format) for analysis, reporting, and converting it to coordinate geometry points in an Autodesk Civil 3D drawing.

Civil 3D users can access the PPK Survey Extension for Civil 3D commands via the Autodesk Civil 3D Toolbox under GNSS Data Processing>Post Process Kinematic Survey.

New Features

COGO Points Transformation Tools have been added to perform in-drawing coordinate system transformation for COGO points.
The tools include the following:

  • Coordinate System Transformation to perform horizontal transformation from drawing to target coordinate system
  • Vertical Datum Transformation to perform elevation transformation between ellipsoidal and geoid


Read the PPK Survey Extension Update for Civil 3D 2021.1 Release Notes